FCR1506M 1500 Series 6-Pin Male Stainless Steel Flange-Mounted Underwater Connector

Product Overview

The HYSF SUBSEA FCR1506M 1500 Series 6-Pin Male Stainless Steel Flange-Mounted Underwater Connector is a high-performance wet-mateable electrical connector designed for demanding subsea, offshore, marine, and underwater instrumentation applications.Belonging to the Metal Shell 1500 Series, the FCR1506M features six male pin contacts and a robust stainless steel flange mounting structure. It provides a reliable electrical connection interface for subsea equipment, ROV systems, underwater pressure housings, marine instruments, and external underwater cable assemblies.The Metal Shell 1500 Series combines a molded Chloroprene Rubber connector body with a protective stainless steel metallic housing. This construction provides a practical balance of electrical insulation, mechanical protection, corrosion resistance, and reliable underwater sealing.The FCR1506M is designed for flange-mounted installation on subsea equipment structures, ROV frames, underwater instrument housings, marine electronic enclosures, and offshore monitoring systems. Its four-hole flange configuration allows the connector to be securely integrated into compatible equipment mounting surfaces.Featuring six gold-plated beryllium copper male pin contacts, the FCR1506M provides a multi-contact electrical interface for underwater power supply, signal transmission, sensor connections, and auxiliary control circuits.According to the official MacArtney / SubConn Metal Shell 1500 Series technical specifications, the 5-, 6-, 8-, and 9-contact configurations have a maximum voltage rating of 300 V DC/AC RMS and a current rating of 5 A per contact, with a maximum total current of 20 A per connector.The Metal Shell 1500 Series has been qualified pressure tested to 1,400 bar (20,300 psi) in the mated condition and 800 bar (11,600 psi) in the open-face condition. These pressure-test qualifications make the connector family suitable for demanding deepwater electrical applications when used within the specified conditions.The FCR1506M features a stainless steel AISI 316 outer housing, a molded Chloroprene Rubber connector body, gold-plated beryllium copper male contacts, stainless steel positioning components, and nitrile rubber sealing components.Its flange mounting structure provides a fixed installation interface with four mounting holes. According to the official FCR 1500 Series mounting specifications, the reference mounting pattern is 38.1 × 38.1 mm, with four Ø5.2 mm mounting holes and a central Ø15.9 mm mounting feature.The FCR1506M belongs to the Metal Shell wet-mateable connector family and is designed to mate with compatible six-contact female cable connectors. The MCDLS locking sleeve family provides the corresponding locking accessories, with ABS and stainless steel options available.With its six-pin male configuration, stainless steel construction, flange-mounted installation, and high-pressure qualification, the FCR1506M is suitable for ROV systems, AUV platforms, subsea control equipment, underwater cameras, marine sensors, oceanographic instruments, underwater lighting systems, and offshore monitoring equipment.HYSF SUBSEA provides metal-shell underwater connectors, stainless steel flange-mounted connectors, wet-mateable subsea connectors, underwater electrical feedthroughs, and customized subsea cable assemblies for OEM manufacturers, ROV integrators, marine engineering companies, and offshore equipment suppliers.

Key Features and Benefits

1. Six-Pin Male Contact Configuration

The FCR1506M features six male electrical pin contacts in a compact Metal Shell 1500 Series flange connector configuration.The six-contact design provides multiple electrical connection positions for compatible underwater power and signal applications.Key characteristics include:

• Six male electrical pin contacts
• Six-contact electrical configuration
• Male flange connector design
• Metal Shell 1500 Series construction
• Compact Shell 15 configuration
• Fixed flange-mounted installation
• Multi-circuit electrical interface
• Suitable for subsea equipment integration
• Compatible with corresponding six-contact female connectors
• Suitable for underwater power and signal transmission

Typical electrical applications include:

• Underwater power supply
• Subsea signal transmission
• ROV auxiliary electrical circuits
• AUV instrumentation connections
• Marine monitoring equipment
• Underwater camera connections
• Oceanographic sensor systems
• Subsea control circuits
• Underwater lighting equipment
• Marine measurement instruments

The six-pin male configuration provides additional electrical connection positions compared with four-contact underwater connectors, making it suitable for equipment requiring multiple power, signal, and auxiliary circuits.

2. Metal Shell 1500 Series Construction

The FCR1506M belongs to the Metal Shell 1500 Series, designed for underwater applications requiring a mechanically robust connector housing and reliable electrical connections.The combination of a molded Chloroprene Rubber connector body and stainless steel metallic housing provides a practical solution for demanding subsea installations.Key advantages include:

• Metal Shell 1500 Series construction
• Shell Size 15 configuration
• Stainless steel AISI 316 outer housing
• Molded Chloroprene Rubber connector body
• Mechanical protection
• Corrosion-resistant housing
• Electrical insulation
• Reliable underwater sealing
• Compact equipment integration
• Suitable for demanding marine environments

The metallic housing protects the connector assembly and provides a durable structural interface, while the molded rubber body supports electrical insulation and environmental protection.This construction is particularly useful for ROV equipment, subsea pressure housings, underwater instrumentation, and offshore electrical systems.

3. Stainless Steel AISI 316 Outer Housing

The FCR1506M features a stainless steel AISI 316 outer housing.316 stainless steel is widely used in marine and subsea equipment because of its corrosion resistance and mechanical durability.Key characteristics include:

• Stainless steel AISI 316 construction
• Corrosion-resistant outer housing
• Mechanical strength
• Suitable for seawater environments
• Durable flange-mounted installation
• Reliable structural mounting interface
• Suitable for subsea equipment integration
• Long-term marine equipment applications

Other housing materials may be available upon request depending on the selected Metal Shell configuration.The stainless steel configuration is particularly suitable for offshore equipment, underwater pressure housings, ROV systems, and subsea monitoring installations.

4. Molded Chloroprene Rubber Connector Body

The FCR1506M features a Chloroprene Rubber molded connector body.Chloroprene Rubber, commonly known as Neoprene, is widely used in underwater electrical connector systems because of its flexibility, electrical insulation properties, and suitability for marine environments.Key characteristics include:

• Molded Chloroprene Rubber construction
• Neoprene rubber material
• Electrical insulation
• Flexible protective structure
• Suitable for underwater applications
• Designed for subsea connector integration
• Supports reliable sealing arrangements
• Suitable for demanding marine conditions

The molded rubber construction provides protection around the electrical interface and supports reliable integration with the metallic housing.

5. Gold-Plated Beryllium Copper Male Contacts

The FCR1506M features six male electrical pin contacts with gold-plated beryllium copper contact material according to the official Metal Shell 1500 Series specifications.Gold-plated beryllium copper contacts provide reliable electrical conductivity and mechanical resilience for demanding underwater electrical connections.Key benefits include:

• Six male pin contacts
• Beryllium copper contact material
• Gold-plated contact surfaces
• Reliable electrical mating interface
• Corrosion-resistant contact surfaces
• Stable electrical contact performance
• Low contact resistance
• Suitable for repeated mating operations
• Reliable power and signal transmission

The male pin configuration is designed to mate with the corresponding female socket connector in the compatible Metal Shell 1500 Series.

6. 300 V DC/AC RMS Voltage Rating

The FCR1506M belongs to the five-, six-, eight-, and nine-contact configurations of the Metal Shell 1500 Series.The official technical specifications identify a maximum voltage rating of 300 V DC/AC RMS for these configurations.This electrical rating makes the connector suitable for various underwater power and signal applications within its specified operating limits.Typical applications include:

• Subsea instrumentation
• ROV electrical systems
• AUV auxiliary circuits
• Underwater sensors
• Marine monitoring systems
• Underwater cameras
• Oceanographic instruments
• Subsea control equipment
• Underwater communication systems
• Marine electrical equipment

The actual operating voltage should be evaluated together with cable insulation, environmental conditions, electrical loading, and the complete connector assembly.

7. 5 A Per Contact Current Rating

The FCR1506M has a reference current rating of 5 A per contact according to the official Metal Shell 1500 Series technical specifications.Its six electrical contacts provide individual connection positions for compatible power and signal applications.Electrical specifications:

• Number of Contacts: 6
• Contact Gender: Male Pin
• Current Rating: 5 A per Contact
• Maximum Total Connector Current: 20 A
• Maximum Voltage: 300 V DC/AC RMS

The maximum total current rating of the complete six-contact connector is 20 A.Although six contacts are individually rated at 5 A, the maximum total connector current must not be interpreted as 30 A. The 20 A overall limitation should be observed.Actual allowable current depends on simultaneous contact loading, conductor size, ambient temperature, cable configuration, and thermal derating requirements.

8. High Hydrostatic Pressure Qualification

The FCR1506M belongs to the Metal Shell 1500 Series, which is designed for demanding subsea applications requiring reliable electrical connections under high hydrostatic pressure.The official pressure-test qualifications are:

• Mated Pressure: 1,400 bar
• Mated Pressure Equivalent: 20,300 psi
• Open-Face Pressure: 800 bar
• Open-Face Pressure Equivalent: 11,600 psi

These pressure qualifications make the Metal Shell 1500 Series suitable for demanding deepwater applications involving ROV equipment, subsea instrumentation, underwater monitoring systems, and oceanographic research platforms.The mated and open-face pressure qualifications are separate conditions and should be considered independently.The complete equipment installation, including the connector housing, flange mounting interface, sealing components, and mating connector, must also be qualified for the intended operating pressure.

9. Wet-Mateable Underwater Connection

The FCR1506M belongs to the Metal Shell Wet-Mateable Connector Series.Wet-mateable underwater connectors are designed to support mating and unmating operations in underwater environments when used according to the manufacturer’s procedures.This capability is particularly useful for subsea systems that require equipment replacement, maintenance, or repeated connection operations.Typical benefits include:

• Underwater mating capability
• Flexible subsea equipment integration
• Convenient sensor replacement
• Reduced need to recover complete equipment assemblies
• Suitable for underwater instrumentation
• Suitable for ROV tool interfaces
• Designed for repeated mating operations
• Supports subsea equipment maintenance

The official Metal Shell 1500 Series technical documentation specifies more than 500 wet-mating cycles.Actual mating-cycle life depends on operating conditions, contact cleanliness, seal condition, and correct handling procedures.

10. Four-Hole Flange Mounting Design

The FCR1506M features a flange-mounted installation structure designed for integration into compatible underwater equipment panels, structural frames, and pressure-housing assemblies.Unlike a conventional threaded jam-nut bulkhead connector, the FCR flange configuration provides a fixed mounting interface with four mounting holes.The official FCR 1500 Series mounting specifications identify the following reference dimensions:

• Mounting Configuration: Four-Hole Flange
• Mounting Hole Pattern: 38.1 × 38.1 mm
• Number of Mounting Holes: 4
• Mounting Hole Diameter: Ø5.2 mm
• Central Mounting Feature: Ø15.9 mm
• Reference Mounting Surface Diameter: Ø50 mm
• Reference HPC Diameter: Ø35.92 mm

Key advantages include:

• Fixed flange installation
• Four-point mechanical mounting
• Convenient integration into equipment structures
• Suitable for underwater instrument housings
• Suitable for ROV frames and equipment panels
• Supports compact equipment layouts
• Provides a defined mounting interface

The mounting dimensions should be checked against the approved FCR1506M engineering drawing before machining or manufacturing the equipment mounting structure.

11. Nitrile Rubber O-Ring Sealing System

The FCR1506M belongs to the Metal Shell 1500 Series, which uses nitrile rubber O-ring sealing components.The sealing arrangement supports reliable underwater connector integration and helps protect the electrical interface from water ingress.Key characteristics include:

• Nitrile Rubber O-ring material
• NBR sealing components
• Underwater sealing arrangement
• Designed for marine applications
• Supports reliable mating and sealing
• Suitable for subsea equipment integration
• Requires proper sealing surface preparation

Sealing surfaces should be clean, smooth, and free from scratches or contamination.O-rings should be inspected for cuts, deformation, wear, and contamination before installation.The exact seal dimensions and positions should be confirmed against the approved FCR1506M engineering drawing.

12. Compatible Metal Shell 1500 Series Locking Accessories

The FCR1506M uses compatible locking accessories designed for the Metal Shell 1500 Series.The official SubConn catalogue identifies the MCDLS locking sleeve family for Metal Shell 1500 connectors.Available locking sleeve materials include:

• ABS
• Stainless Steel

The corresponding stainless steel locking sleeve option is identified as MCSSLS in the SubConn accessory documentation.Key characteristics include:

• Compatible Metal Shell 1500 locking accessories
• MCDLS ABS locking sleeve
• MCSSLS stainless steel locking sleeve
• Dedicated locking arrangement
• Supports secure connector mating
• Helps prevent accidental disconnection
• Suitable for subsea cable assemblies
• Suitable for ROV and AUV equipment

The correct locking sleeve and retaining components should be installed according to the approved connector configuration and manufacturer’s instructions before underwater deployment.

13. Electrical Insulation and Contact Resistance Performance

The official Metal Shell 1500 Series technical specifications provide the following reference electrical performance values:

• Insulation Resistance: Greater than 200 MΩ
• Contact Resistance: Less than 0.01 Ω

High insulation resistance helps maintain electrical separation between contacts and reduces unwanted leakage paths.Low contact resistance helps minimize electrical losses at the mating interface.These characteristics support reliable electrical performance in compatible underwater power and signal systems.Actual electrical performance should be evaluated according to the applicable test method, connector condition, and complete electrical assembly.

14. Temperature Resistance for Marine Environments

The FCR1506M belongs to a connector series designed for demanding marine operating conditions.The Metal Shell 1500 Series technical specifications identify the following reference temperature ranges:

• Water Temperature: −4°C to +60°C
• Air Temperature: −40°C to +60°C
• Storage Temperature: −40°C to +60°C

These temperature ranges support integration into a variety of marine, subsea, and underwater instrumentation applications.The complete system temperature capability should also consider the selected cable, sealing materials, electrical loading, and equipment enclosure.

15. Six-Pin Electrical Configuration and Pin Identification

The FCR1506M provides six male pin contacts arranged in the Metal Shell 1500 Series six-contact configuration.The six-contact arrangement supports multiple independent electrical circuits within a single underwater connector.For compatible six-conductor cable assemblies, the official SubConn 1500 Series bulkhead lead colour reference is:

• Pin 1: Black
• Pin 2: White
• Pin 3: Red
• Pin 4: Green
• Pin 5: Orange
• Pin 6: Blue

These colours are the series reference for the corresponding six-contact bulkhead leads. The actual FCR1506M mating pin assignment and cable wiring should be confirmed against the approved electrical drawing.Typical six-contact applications include:

• Multiple sensor signal circuits
• Power and control connections
• Camera power and auxiliary signals
• Underwater monitoring instruments
• ROV equipment control
• Marine instrumentation
• Multi-channel measurement systems

16. Compatible Female Mating Connector

The FCR1506M is a six-pin male flange-mounted connector designed to mate with a compatible six-contact female connector.The Metal Shell 1500 Series is designed to work with compatible standard in-line cable connectors and dummy connectors.The corresponding female mating connector should have:

• Six female socket contacts
• Matching Metal Shell 1500 interface
• Compatible six-contact configuration
• Corresponding mechanical alignment
• Suitable locking accessories
• Appropriate cable termination

The correct female mating model should be verified against the approved mating drawing before ordering.The mating connector and locking accessories should be selected as a complete compatible assembly.

17. Suitable for ROV Systems

Remotely Operated Vehicles require reliable underwater electrical connections for cameras, sensors, lighting, manipulators, and auxiliary equipment.The FCR1506M provides a six-pin male flange-mounted electrical interface for compatible ROV equipment structures and underwater housings.Typical ROV applications include:

• ROV control electronics
• Subsea camera systems
• Underwater LED lighting
• ROV sensor connections
• Manipulator equipment
• Subsea monitoring instruments
• Underwater inspection systems
• ROV auxiliary power circuits
• Subsea data acquisition equipment
• ROV equipment mounting structures

Its stainless steel housing, flange mounting configuration, and high-pressure qualification make it suitable for compatible subsea equipment installations.

18. Suitable for AUV and Underwater Vehicle Applications

Autonomous Underwater Vehicles require reliable electrical connections for sensors, navigation equipment, communication systems, and external instrumentation.The FCR1506M provides a six-contact male flange-mounted connection for compatible underwater vehicle equipment.Typical applications include:

• AUV sensor housings
• Underwater navigation equipment
• Autonomous monitoring platforms
• Underwater vehicle instrumentation
• External sensor connections
• Subsea electronics enclosures
• Marine research vehicles
• Underwater measurement systems
• Autonomous inspection equipment

Its compact Shell 15 configuration supports electrical integration in space-restricted underwater equipment.

19. Oceanographic and Environmental Monitoring Applications

Oceanographic instruments require dependable electrical connections for long-term marine data collection and environmental monitoring.The FCR1506M can be integrated into compatible underwater instrument structures and electronic housings.Typical applications include:

• CTD instruments
• Dissolved oxygen sensors
• Fluorometer systems
• Turbidity measurement equipment
• Water-quality monitoring systems
• Oceanographic data loggers
• Environmental monitoring platforms
• Deep-sea research instruments
• Scientific landers
• Benthic observatories
• Marine measurement equipment

Its six-contact electrical interface provides additional connection positions for compatible sensor power, signals, and auxiliary circuits.

20. Underwater Camera and Lighting Systems

Underwater cameras and lighting systems require reliable electrical connections between internal electronics and external underwater cables.The FCR1506M provides a six-contact male flange-mounted interface for compatible camera and lighting equipment.Typical applications include:

• Underwater inspection cameras
• ROV camera housings
• Subsea video systems
• Underwater LED lighting
• Marine imaging equipment
• Underwater monitoring cameras
• Camera control systems
• Subsea auxiliary power connections
• Marine inspection instruments

The connector should be selected according to the camera’s voltage, current, pin assignment, and mating interface requirements.

21. Subsea Oil and Gas Equipment

Offshore oil and gas systems require reliable electrical connectors for subsea instrumentation, control systems, monitoring equipment, and underwater tools.The FCR1506M provides a flange-mounted electrical interface for compatible subsea equipment structures.Typical applications include:

• Subsea control equipment
• Offshore monitoring systems
• Underwater inspection tools
• Subsea sensor packages
• ROV intervention equipment
• Marine instrumentation
• Subsea electronic housings
• Offshore electrical systems
• Underwater measurement equipment
• Subsea junction box assemblies

Its stainless steel AISI 316 housing and high-pressure qualification make it suitable for compatible offshore subsea applications.

22. Underwater Acoustic and Communication Equipment

Underwater acoustic communication and measurement systems require dependable electrical connections for power and signal transmission.The FCR1506M can be integrated into compatible acoustic instrument housings and underwater communication equipment.Typical applications include:

• Underwater acoustic modems
• Hydrophone systems
• Acoustic measurement equipment
• Subsea communication systems
• Marine listening stations
• Underwater research instruments
• Acoustic monitoring platforms
• Multi-channel sensor systems

The six-contact configuration provides multiple electrical connection positions for compatible power, signal, and auxiliary circuits.

23. OEM and Customized Subsea Flange Connector Solutions

HYSF SUBSEA provides underwater flange connectors, metal-shell connectors, stainless steel subsea connectors, and customized underwater cable assemblies for OEM equipment manufacturers.Engineering and customization support can include:

• Six-pin male flange connectors
• Metal Shell 1500 Series configurations
• Stainless steel AISI 316 housing
• Alternative housing materials upon request
• Customized flange mounting arrangements
• Mounting hole and panel integration
• Customized cable assemblies
• Compatible female mating connectors
• MCDLS and MCSSLS locking accessories
• Dummy connector selection
• Technical drawings
• Electrical testing
• Hydrostatic pressure testing
• OEM pressure-housing integration

Customers can provide equipment drawings, mounting hole dimensions, panel thickness, flange installation requirements, operating pressure, electrical specifications, and mating connector models for engineering evaluation.

FCR1506M Technical Specifications

• Brand: HYSF SUBSEA
• Model: FCR1506M
• Connector Series: Metal Shell 1500 Series
• Shell Size: 15
• Product Type: Stainless Steel Flange-Mounted Underwater Connector
• Connector Configuration: 6-Pin Male
• Number of Contacts: 6
• Contact Gender: Male Pin
• Maximum Voltage: 300 V DC/AC RMS
• Current Rating: 5 A per Contact
• Maximum Total Connector Current: 20 A
• Insulation Resistance: Greater than 200 MΩ
• Contact Resistance: Less than 0.01 Ω
• Qualified Mated Pressure Test: 1,400 bar / 20,300 psi
• Qualified Open-Face Pressure Test: 800 bar / 11,600 psi
• Wet-Mating Cycles: More than 500
• Connector Body Material: Chloroprene Rubber
• Connector Housing Material: Stainless Steel AISI 316
• Alternative Housing Materials: Available on Request
• Contact Material: Beryllium Copper
• Contact Plating: Gold-Plated
• Location Pin: Stainless Steel AISI 303
• O-Ring Material: Nitrile Rubber
• Mounting Configuration: Four-Hole Flange Mount
• Reference Mounting Pattern: 38.1 × 38.1 mm
• Mounting Hole Diameter: Ø5.2 mm (4 Holes)
• Central Mounting Feature: Ø15.9 mm
• Reference Mounting Surface Diameter: Ø50 mm
• Reference HPC Diameter: Ø35.92 mm
• Locking Sleeve: MCDLS / MCSSLS
• Locking Sleeve Material: ABS / Stainless Steel
• Snap Ring Material: Stainless Steel AISI 302
• Water Temperature: −4°C to +60°C
• Air Temperature: −40°C to +60°C
• Storage Temperature: −40°C to +60°C
• Connector Type: Wet-Mateable Metal Shell
• Mounting Style: Flange / Fixed Structural Mount
• Mating Connector: Compatible Six-Contact Female Connector
• Typical Applications: ROVs, AUVs, Subsea Oil and Gas Equipment, Underwater Cameras, Marine Sensors, Oceanographic Instruments, and Offshore Monitoring Systems

Typical Applications of FCR1506M

1. ROV Systems

Six-pin male flange-mounted electrical connections for ROV control equipment, cameras, sensors, lighting, and auxiliary electrical systems.

2. AUV Platforms

Electrical interfaces for autonomous underwater vehicle sensors, navigation equipment, and external instrumentation.

3. Subsea Pressure Housings

Flange-mounted electrical connections between internal electronic components and external underwater cable assemblies.

4. Subsea Camera Systems

Electrical interfaces for underwater inspection cameras, ROV imaging equipment, and marine video systems.

5. Underwater Lighting Systems

Flange-mounted electrical connections for compatible underwater LED lights, inspection lamps, and subsea lighting equipment.

6. Oceanographic Instruments

Electrical connections for CTD equipment, dissolved oxygen sensors, fluorometers, and marine research instruments.

7. Environmental Monitoring Systems

Underwater electrical connections for water-quality sensors, turbidity instruments, and long-term marine monitoring platforms.

8. Subsea Oil and Gas Equipment

Flange-mounted electrical connections for offshore instrumentation, subsea control systems, and underwater intervention equipment.

9. Underwater Acoustic Systems

Electrical interfaces for hydrophones, underwater acoustic modems, and marine communication equipment.

10. Deep-Sea Research Equipment

Pressure-qualified electrical connections for scientific landers, benthic observatories, and deepwater measurement systems.

11. Marine Robotics

Electrical interfaces for underwater robotic platforms, autonomous inspection equipment, and subsea manipulation systems.

12. Offshore Monitoring Equipment

Flange-mounted connectors for underwater monitoring instruments, subsea sensors, and offshore engineering systems.

FCR1506M vs FCR1504M

Both FCR1506M and FCR1504M belong to the Metal Shell 1500 Series and feature male flange-mounted configurations. Their main difference is the number of electrical contacts and the corresponding electrical specifications.

FCR1506M

• Six male pin contacts
• Shell Size 15
• 300 V DC/AC RMS maximum voltage
• 5 A per contact
• 20 A maximum total connector current
• Suitable for multi-circuit power and signal connections
• Four-hole flange mounting

FCR1504M

• Four male pin contacts
• Shell Size 15
• Four-contact electrical configuration
• Different electrical specification group from the 5-, 6-, 8-, and 9-contact versions
• Suitable for compatible four-circuit applications
• Four-hole flange mounting

The FCR1506M provides two additional electrical contacts compared with the FCR1504M, making it suitable for equipment requiring more independent electrical circuits.The electrical ratings should be selected according to the contact configuration and its corresponding official technical specifications rather than assuming that all 1500 Series contact counts share identical ratings.

FCR1506M vs FCR1506F

Both FCR1506M and FCR1506F belong to the Metal Shell 1500 Series and use a six-contact flange mounting configuration. Their main difference is the electrical contact gender.

FCR1506M

• Six male pin contacts
• Male flange-mounted connector
• Gold-plated beryllium copper male contacts
• Designed for connection to a compatible female mating connector
• Suitable for fixed subsea equipment installation

FCR1506F

• Six female socket contacts
• Female flange-mounted connector
• Gold-plated brass female socket contacts
• Designed for connection to a compatible male mating connector
• Suitable for fixed subsea equipment installation

Both configurations share the same six-contact Metal Shell 1500 Series reference voltage, current, pressure-test, and temperature specifications.

Installation and Maintenance Guidelines

1. Verify Flange Mounting Dimensions

Check the approved FCR1506M mounting drawing, including the 38.1 × 38.1 mm mounting pattern, four Ø5.2 mm mounting holes, central mounting feature, and available installation space.

2. Prepare the Mounting Surface

Ensure that the equipment mounting surface is clean, flat, and free from burrs, scratches, weld contamination, or other surface defects.

3. Check the Flange Alignment

Position the FCR1506M according to the approved equipment drawing. Confirm that the connector face is correctly oriented for the intended cable mating direction and equipment layout.

4. Secure the Flange

Install the connector using the specified mounting method and approved fasteners. Follow the equipment manufacturer’s mechanical installation and fastening requirements.

5. Inspect the Sealing Components

Inspect the nitrile rubber sealing components for cuts, deformation, wear, and contamination before installation.

6. Perform Electrical Testing

Check electrical continuity, insulation resistance, contact resistance, and pin assignment before deployment.

7. Inspect the Male Pin Contacts

Inspect all six male pin contacts for contamination, corrosion, bending, mechanical damage, or foreign particles.

8. Align the Female Mating Connector

Align the FCR1506M with its compatible six-contact female mating connector.Ensure that the contact positions and mechanical alignment are correct before mating.

9. Complete the Mating Operation

Perform mating according to the connector manufacturer’s procedures.Avoid forcing the connector or applying excessive mechanical loads.

10. Install the Compatible Locking Sleeve

Install the correct MCDLS or MCSSLS locking accessory in the specified material and configuration.Verify that the locking arrangement is correctly engaged before underwater deployment.

11. Perform Hydrostatic Pressure Testing

Test the complete connector and equipment assembly according to the project-specific pressure qualification requirements.

12. Post-Deployment Maintenance

After exposure to seawater, inspect the connector body, stainless steel housing, sealing components, male electrical contacts, flange mounting interface, and locking accessories.Clean and maintain the connector according to the manufacturer’s recommendations.

Quality Control and Testing

Depending on the approved product configuration and project requirements, quality-control procedures may include:

• Visual inspection
• Dimensional inspection
• Stainless steel housing inspection
• Flange mounting dimension inspection
• Mounting hole position verification
• Six-pin position verification
• Gold-plating inspection
• Sealing component inspection
• Electrical continuity testing
• Contact resistance testing
• Insulation resistance testing
• Mating compatibility testing
• Locking accessory inspection
• Hydrostatic pressure testing
• Post-pressure electrical performance verification
• Final product inspection

Electrical test reports, dimensional inspection reports, and hydrostatic pressure test documentation can be provided according to agreed project requirements.

Frequently Asked Questions

Q1: What is the FCR1506M underwater connector?

The FCR1506M is a six-pin male flange-mounted underwater connector belonging to the Metal Shell 1500 Series. It is designed for subsea equipment structures, ROV systems, AUV platforms, and underwater instrumentation.

Q2: How many contacts does the FCR1506M have?

The FCR1506M features six male electrical pin contacts.

Q3: Is the FCR1506M a bulkhead or flange-mounted connector?

It is a flange-mounted connector with a four-hole mounting arrangement for integration into compatible underwater equipment structures and housings.

Q4: What is the voltage rating?

The official Metal Shell 1500 Series technical specifications identify a maximum voltage rating of 300 V DC/AC RMS for the 5-, 6-, 8-, and 9-contact configurations.

Q5: What is the current rating?

The reference current rating is 5 A per contact, with a maximum total connector current of 20 A.

Q6: What is the pressure qualification?

The Metal Shell 1500 Series has been qualified pressure tested to 1,400 bar in the mated condition and 800 bar in the open-face condition.

Q7: What is the connector housing material?

The outer housing is made from stainless steel AISI 316, while the connector body uses molded Chloroprene Rubber.

Q8: What type of contacts does the connector use?

The FCR1506M features six gold-plated beryllium copper male pin contacts.

Q9: What is the flange mounting pattern?

The official FCR 1500 Series mounting specification identifies a 38.1 × 38.1 mm mounting pattern with four Ø5.2 mm mounting holes.

Q10: What is the central mounting diameter?

The reference FCR 1500 Series mounting specification identifies a central mounting feature of Ø15.9 mm. Confirm the exact dimensions and tolerances against the approved FCR1506M engineering drawing.

Q11: What sealing material does the FCR1506M use?

The Metal Shell 1500 Series specifies nitrile rubber O-rings for its sealing arrangements.

Q12: Which locking sleeve is compatible?

The official SubConn catalogue identifies the MCDLS locking sleeve family for Metal Shell 1500 connectors. ABS and stainless steel options are available, with MCSSLS identified as the stainless steel alternative.

Q13: Is the FCR1506M suitable for ROV applications?

Yes. Its six-pin electrical configuration, stainless steel housing, flange mounting structure, and high-pressure qualification make it suitable for compatible ROV control equipment, cameras, sensors, and subsea instrumentation.

Q14: Is the FCR1506M suitable for AUV applications?

Yes. It can be integrated into compatible AUV equipment structures, sensor housings, and underwater electronic systems.

Q15: Is the FCR1506M a wet-mateable connector?

Yes. It belongs to the Metal Shell Wet-Mateable connector family and is designed for compatible underwater mating operations.

Q16: How many mating cycles does the connector support?

The Metal Shell 1500 Series technical documentation specifies more than 500 wet-mating cycles.

Q17: Which connector mates with the FCR1506M?

The FCR1506M is designed to mate with a compatible six-contact female connector from the corresponding Metal Shell 1500 Series.

Q18: What is the difference between FCR1506M and FCR1506F?

FCR1506M has six male pin contacts, while FCR1506F has six female socket contacts. Both use the same flange-mounted configuration.

Q19: What is the difference between FCR1506M and FCR1504M?

FCR1506M has six contacts, while FCR1504M has four contacts. The six-contact version belongs to the 300 V, 5 A per contact, 20 A maximum total current specification group.

Q20: Can the connector be supplied with customized cable assemblies?

Customized underwater cable assemblies can be evaluated according to cable length, conductor size, pin assignment, cable jacket material, and mating connector requirements.

Q21: Can hydrostatic pressure test reports be supplied?

Hydrostatic pressure testing and corresponding documentation can be arranged according to agreed project requirements.

Why Choose HYSF SUBSEA FCR1506M?

The HYSF SUBSEA FCR1506M Metal Shell 1500 Series 6-Pin Male Stainless Steel Flange-Mounted Underwater Connector provides a reliable electrical connection solution for demanding marine and subsea applications.Its principal features include:

• Six male electrical pin contacts
• Metal Shell 1500 Series construction
• Compact Shell 15 configuration
• Stainless steel AISI 316 outer housing
• Molded Chloroprene Rubber connector body
• Gold-plated beryllium copper male contacts
• 300 V DC/AC RMS maximum voltage rating
• 5 A per contact current rating
• 20 A maximum total connector current
• 1,400 bar mated pressure qualification
• 800 bar open-face pressure qualification
• More than 500 wet-mating cycles
• Four-hole flange mounting structure
• 38.1 × 38.1 mm reference mounting pattern
• Four Ø5.2 mm mounting holes
• Nitrile rubber sealing components
• MCDLS and MCSSLS locking accessory compatibility
• ABS or stainless steel locking sleeve options
• Suitable for subsea equipment structures
• Suitable for ROV and AUV equipment
• Suitable for underwater camera and sensor systems
• Suitable for offshore subsea instrumentation
• OEM engineering and manufacturing support

For ROV manufacturers, AUV developers, offshore engineering contractors, marine equipment manufacturers, and oceanographic research institutions, the FCR1506M provides a practical six-pin male stainless steel flange-mounted underwater connection solution.Contact HYSF SUBSEA for product specifications, technical drawings, flange mounting dimensions, compatible female mating connectors, locking accessories, customized cable assemblies, hydrostatic pressure testing, and quotations for the FCR1506M Metal Shell 1500 Series 6-Pin Male Stainless Steel Flange-Mounted Underwater Connector.