MCILRA8F 8-Pin Female Right-Angle Inline Underwater Connector – Miniature Circular L-Type Series

Product Overview

The HYSF SUBSEA MCILRA8F 8-Pin Female Right-Angle Inline Underwater Connector is a compact subsea electrical connector designed for underwater equipment requiring reliable multi-channel electrical connections and space-efficient cable routing.Belonging to the HYSF Miniature Circular Right-Angle Connector Series, the MCILRA8F features eight female electrical contacts, a molded neoprene rubber body, and an integrated 90-degree L-shaped cable exit.Unlike conventional straight inline underwater connectors, its right-angle configuration directs the cable sideways from the connector mating interface. This design helps reduce axial installation clearance and simplifies cable routing in compact underwater equipment.The eight-pin configuration provides a practical electrical interface for multiple power, signal, control, and instrumentation circuits.The MCILRA8F is designed for demanding subsea environments, featuring IP68 waterproof protection and pressure capability up to 60 MPa (approximately 6,000 meters of seawater depth).Its construction combines gold-plated electrical contacts with a flexible neoprene rubber body, providing a practical connection solution for ROVs, AUVs, underwater cameras, marine sensors, sonar systems, and subsea monitoring equipment.The standard inline cable length is approximately 1 meter, with customized cable lengths, conductor arrangements, and electrical configurations available according to project requirements.The MCILRA8F is particularly suitable for underwater equipment where connector density, installation clearance, and controlled cable routing are important engineering considerations.

Key Features and Benefits

1. Eight-Pin Female Electrical Configuration

The MCILRA8F features eight female electrical contact positions arranged in a compact miniature circular connector interface.Its eight-pin configuration allows multiple electrical circuits to pass through a single underwater connection.This helps simplify cable assemblies and reduces the number of individual connectors required in complex subsea systems.Typical applications include:

• ROV control and instrumentation
• AUV navigation equipment
• Underwater cameras
• Marine sensor networks
• Sonar and hydrophone systems
• Underwater data acquisition
• Subsea monitoring equipment
• Multi-channel communication systems

The eight-contact arrangement provides flexibility for allocating power, signal, measurement, and control circuits according to the approved wiring diagram.The female socket contacts are designed to mate with the corresponding MCILRA8M male right-angle inline connector.

2. 90-Degree Right-Angle L-Shaped Cable Exit

One of the main advantages of the MCILRA8F is its integrated right-angle cable configuration.Its L-shaped design directs the cable approximately 90 degrees away from the connector mating axis.This is particularly useful when conventional straight inline connectors require excessive installation clearance.Key advantages include:

• Reduced axial installation clearance
• Controlled cable routing
• Improved integration in compact housings
• Reduced interference with adjacent components
• More organized cable management
• Greater flexibility in equipment layout

The right-angle configuration is especially beneficial for compact ROVs, AUV electronics, underwater sensor modules, and equipment with multiple closely spaced connector ports.For equipment manufacturers, this design provides additional flexibility when planning cable exits around pressure housings and mechanical structures.

3. Eight-Channel Electrical Connectivity

Eight electrical contacts provide substantial connection capacity within a compact underwater connector.This makes the MCILRA8F suitable for systems requiring multiple independent electrical circuits through a single connection point.Depending on the approved wiring configuration, individual contacts can be allocated to:

• Sensor power
• Measurement signals
• Control circuits
• Auxiliary power
• Instrumentation
• Communication interfaces
• Monitoring equipment
• Data transmission

Consolidating multiple circuits into one connector can simplify cable management and reduce the number of interfaces required on an underwater equipment housing.For sensitive signal applications, cable shielding, conductor arrangement, impedance, and electrical isolation requirements should be evaluated separately.

4. IP68 Waterproof Construction

The MCILRA8F features an IP68 waterproof design for demanding underwater applications.Its molded neoprene rubber body and precision connector construction support reliable sealing in marine environments.The IP68 specification identifies its protection against water ingress under applicable test conditions.For deep-water installations, the complete mated connector assembly must also meet the specified hydrostatic pressure requirements.

5. Deep-Sea Pressure Capability up to 6,000 Meters

The MCILRA8F is designed for underwater applications at pressures of up to 60 MPa, corresponding to approximately 6,000 meters of seawater depth.This makes it suitable for consideration in demanding deep-sea electrical systems.Potential applications include:

• Deep-water ROV systems
• Autonomous underwater vehicles
• Oceanographic research instruments
• Subsea monitoring systems
• Marine scientific equipment
• Underwater cameras
• Offshore inspection equipment
• Deep-sea sensor networks

The actual operating depth depends on the complete connector assembly, mating component, cable construction, sealing arrangement, and installation conditions.For critical applications, the complete mated assembly should be verified through appropriate hydrostatic pressure testing and engineering qualification.

6. Gold-Plated Electrical Contacts

The MCILRA8F features gold-plated electrical contacts designed for reliable electrical mating in underwater applications.Gold plating provides a conductive contact surface and helps reduce oxidation at the electrical interface.The female socket contacts are designed to receive the corresponding male contacts while maintaining suitable electrical contact.The electrical mating surfaces should be inspected before installation and kept clean to prevent contamination from affecting contact performance.Correct alignment during mating is important to protect the electrical contacts and maintain reliable connections.

7. Flexible Neoprene Rubber Connector Body

The standard MCILRA8F features a molded neoprene rubber connector body.Neoprene is commonly used in underwater connector construction because of its flexibility and suitability for marine environments.Its molded construction supports the electrical contact assembly and cable entry while providing a compact and flexible connector structure.Key benefits include:

• Flexible rubber construction
• Compact connector geometry
• Suitability for marine environments
• Integrated cable support
• Practical installation and handling
• Resistance to routine mechanical wear

The connector body should be inspected periodically for cuts, cracks, deformation, and other visible signs of damage.

8. Standard One-Meter Cable and Customization

The standard MCILRA8F inline configuration is supplied with approximately 1 meter of underwater cable.This provides a practical cable length for many subsea instruments and underwater equipment assemblies.Customized cable configurations can be considered according to project requirements.Available customization options include:

• Alternative cable lengths
• Customized cable specifications
• Different conductor arrangements
• Customized wire identification
• Cable jacket options
• Customized electrical configurations
• Specialized cable termination requirements

For right-angle installations, cable exit orientation and minimum bending radius should be considered together when determining the final cable length and routing arrangement.

9. Designed for Compact Subsea Equipment

The MCILRA8F is particularly useful in applications where conventional straight connectors are difficult to install.Its 90-degree cable exit helps direct the cable away from nearby mechanical components and can improve the overall layout of compact equipment.Potential integration environments include:

• Micro-ROV electronics housings
• AUV sensor modules
• Compact subsea junction boxes
• Underwater camera assemblies
• Multi-port pressure housings
• Marine instrumentation packages

The right-angle configuration helps simplify cable routing without requiring additional external cable bends immediately behind the connector.

10. Miniature Circular Interface for Subsea Applications

The HYSF MCILRA8F belongs to the Miniature Circular Right-Angle Connector Series.It is designed to mate with the corresponding MCILRA8M male inline connector.This makes it suitable for consideration in new underwater equipment designs and compatible replacement applications.Potential uses include:

• Replacement underwater cable connectors
• ROV system upgrades
• AUV instrumentation
• Marine research equipment
• Offshore inspection systems
• OEM underwater cable assemblies

For cross-brand replacement applications, the exact contact arrangement, mating dimensions, and retention mechanism should be checked before installation.

11. Customization for OEM and Subsea Projects

Different underwater equipment manufacturers have different requirements for electrical wiring, cable length, and mechanical integration.HYSF SUBSEA supports customized connector configurations according to project specifications.Customization can include:

• Cable length
• Cable construction
• Electrical configuration
• Contact assignment
• Wiring identification
• Mounting thread specifications
• Installation requirements
• Customized electrical ratings

This flexibility makes the MCILRA8F suitable for OEM equipment manufacturers, ROV developers, AUV manufacturers, marine research organizations, and subsea engineering companies.

MCILRA8F Technical Specifications

Parameter	Specification
Brand	HYSF SUBSEA
Model	MCILRA8F
SKU	HYSF-MCILRA-8F
Product Type	Female Right-Angle Inline Underwater Connector
Connector Series	Miniature Circular L-Type
Number of Contacts	8 Pins
Contact Gender	Female
Cable Exit	90° L-Shaped / Right-Angle
Connector Body	Neoprene Rubber
Contact Finish	Gold-Plated
Waterproof Rating	IP68
Pressure Rating	Up to 60 MPa
Approximate Working Depth	Up to 6,000 Meters
Mounting Thread	7/16-20 UNF
Standard Cable Length	1.0 Meter
Primary Mating Connector	MCILRA8M
Customization	Cable Length, Mounting Thread and Electrical Configuration
Warranty	12 Months

Engineering Note: Confirm the actual electrical ratings, detailed pin assignments, mounting configuration, and pressure qualification against the approved MCILRA8F technical documentation.

Eight-Pin Wiring and Conductor Identification

The MCILRA8F features eight individual female electrical contact positions.The exact conductor colors and pin assignments should follow the approved MCILRA8F production wiring diagram.Before cable assembly or equipment integration, engineers should verify:

1. The eight contact positions.
2. The female connector mating-face orientation.
3. The corresponding conductor identification.
4. The pin-to-wire assignment.
5. The power, signal, and ground allocation.
6. Electrical continuity.
7. Insulation between individual contacts.

Customized wiring arrangements are available according to project requirements.Important: Do not assume that the standard MCIL8F straight-inline connector wire colors automatically apply to MCILRA8F. Always use the approved pin assignment drawing for production and installation.

Compatible Connectors and Accessories

MCILRA8M – 8-Pin Male Right-Angle Inline Connector

The MCILRA8M is the corresponding male inline connector in the HYSF Miniature Circular Right-Angle Series.It is designed to mate with the MCILRA8F for compatible cable-to-cable underwater electrical connections.Both connectors feature right-angle cable exits, making them suitable for installations requiring controlled cable routing on both sides of the connection.Typical connection:MCILRA8M Male Inline + MCILRA8F Female InlineThis combination provides an eight-contact electrical connection between compatible underwater cable assemblies.

MCBHRA8M – 8-Pin Male Right-Angle Bulkhead Connector

The MCBHRA8M is a male right-angle bulkhead connector in the HYSF Miniature Circular family.It provides a fixed connector interface through an underwater equipment housing.The exact mating gender, mounting dimensions, and interface compatibility should be verified against the approved engineering drawing before selecting it for a specific assembly.

Protective Dummy Plugs

Compatible protective dummy plugs can be selected for unused eight-pin underwater connector interfaces.These accessories help protect exposed mating interfaces when operational cables are disconnected.The exact protective model should be selected according to the connector gender and mechanical interface.

Typical Applications of MCILRA8F

1. Remotely Operated Vehicles (ROVs)

ROVs require multiple underwater electrical connections for cameras, sensors, manipulators, navigation systems, and auxiliary equipment.The MCILRA8F provides an eight-pin female connection with a right-angle cable exit, helping simplify cable routing in compact vehicle structures.

2. Autonomous Underwater Vehicles (AUVs)

AUVs frequently incorporate multiple instruments and electronic modules.The MCILRA8F can be considered for suitable electrical interfaces where compact packaging and controlled cable routing are important.

3. Underwater Cameras and Imaging Systems

Underwater imaging systems may require multiple electrical circuits for power, control, lighting, and auxiliary functions.The eight-pin configuration offers flexibility for appropriately designed camera and imaging assemblies.Actual video transmission capability depends on the complete cable design and signal requirements.

4. Marine Sensors and Instrumentation

Marine monitoring equipment often combines multiple sensors and measurement circuits.The eight-pin configuration can support suitable electrical interfaces for environmental monitoring, pressure measurement, and underwater data acquisition equipment.

5. Sonar and Hydrophone Systems

Underwater acoustic systems frequently require multiple electrical channels for sensor connections and instrumentation.The MCILRA8F can be considered for suitable sonar, hydrophone, and marine acoustic measurement assemblies.

6. Underwater Data Acquisition

Compact underwater data acquisition systems require electrical connections for power, sensor inputs, communication, and control.The MCILRA8F provides a compact right-angle connector option for suitable multi-channel instrumentation.

7. Offshore Energy and Subsea Control

Offshore equipment may require electrical connections for monitoring, instrumentation, and control systems.The MCILRA8F provides a compact connector option for qualified subsea electrical assemblies.

8. Oceanographic Research Equipment

Scientific research equipment often operates in confined pressure housings with multiple sensor connections.The right-angle configuration can help simplify cable routing around compact underwater instrument packages.

Installation Guidelines

Step 1: Verify Connector Compatibility

Confirm that the mating connector is a compatible eight-pin male interface, such as MCILRA8M.

Step 2: Inspect the Mating Interfaces

Check the contacts, molded rubber body, sealing areas, and cable entry for visible damage or contamination.

Step 3: Verify the Wiring

Confirm all eight conductor assignments using the approved wiring diagram.

Step 4: Check Cable Exit Orientation

Position the MCILRA8F so its right-angle cable exit follows the intended routing direction.Ensure that the cable does not experience excessive bending or mechanical strain.

Step 5: Align the Connectors

Align the male and female interfaces according to the approved mating orientation.Avoid forcing the connector into an incorrect position.

Step 6: Complete the Mating Operation

Secure the connector using the approved coupling and retention arrangement.

Step 7: Perform Electrical Checks

Verify continuity and insulation resistance according to the application requirements.

Step 8: Verify the Complete Assembly

Before underwater deployment, confirm that the connector, mating component, cable, and installation meet the intended electrical and pressure requirements.

Quality Control and Testing

Depending on the ordered configuration and project requirements, HYSF SUBSEA quality-control procedures may include:

• Visual inspection
• Dimensional verification
• Contact inspection
• Electrical continuity testing
• Insulation resistance measurement
• Contact resistance measurement
• Cable identification checks
• Mating compatibility verification
• Mechanical inspection
• Hydrostatic pressure testing
• Dielectric withstand testing where applicable

The applicable test procedures and acceptance criteria should be established according to the approved connector configuration and intended operating environment.

Frequently Asked Questions

Q1: What is the MCILRA8F underwater connector?

The MCILRA8F is an eight-pin female right-angle inline underwater electrical connector from the HYSF Miniature Circular L-Type Series.

Q2: What is the main advantage of the right-angle design?

Its L-shaped configuration directs the cable approximately 90 degrees away from the connector mating axis, helping reduce straight-line installation clearance requirements.

Q3: How many electrical contacts does MCILRA8F have?

The MCILRA8F features eight female electrical contacts.

Q4: What is the waterproof rating?

The connector features an IP68 waterproof design.

Q5: What is the maximum working depth?

The MCILRA8F is designed for pressure applications up to 60 MPa, corresponding to approximately 6,000 meters of seawater depth.

Q6: What is the standard cable length?

The standard inline cable length is approximately 1 meter.

Q7: Can the cable length be customized?

Yes. Customized cable lengths and electrical configurations are available according to project requirements.

Q8: What material is used for the connector body?

The connector body is manufactured from molded neoprene rubber.

Q9: What is the contact surface finish?

The electrical contacts feature gold plating.

Q10: Which connector mates with MCILRA8F?

The primary corresponding male inline connector is MCILRA8M.

Q11: Can MCILRA8F be used with a bulkhead connector?

A compatible eight-pin male bulkhead interface can be selected according to the required mechanical configuration. Verify the exact mating interface before ordering.

Q12: Is MCILRA8F compatible with SubConn?

The MCILRA8F belongs to the HYSF Miniature Circular family and is designed for corresponding compatible interfaces. Exact mechanical and electrical compatibility should be verified against the relevant connector drawings.

Q13: Can the eight-pin wiring arrangement be customized?

Yes. Customized pin assignments and conductor arrangements can be evaluated according to project requirements.

Q14: Is MCILRA8F suitable for Ethernet?

Eight contacts may be allocated to Ethernet signal pairs in an appropriately designed system. However, Ethernet compatibility and transmission speed must be verified using the complete cable, shielding, impedance, and signal-integrity specifications.

Q15: What is the warranty period?

The standard HYSF SUBSEA product warranty is 12 months, subject to the applicable warranty terms.

Why Choose HYSF SUBSEA MCILRA8F?

The HYSF SUBSEA MCILRA8F 8-Pin Female Right-Angle Inline Underwater Connector provides a compact electrical connection solution for demanding subsea applications.Its principal advantages include:

• Eight-pin female inline configuration
• Integrated 90-degree L-shaped cable exit
• Compact miniature circular design
• Molded neoprene rubber body
• Gold-plated electrical contacts
• IP68 waterproof construction
• 60 MPa pressure capability
• Design depth capability up to 6,000 meters
• 7/16-20 UNF mounting thread
• Standard 1-meter inline cable
• Customized cable lengths and electrical configurations
• Compatible male right-angle inline connector
• 12-month product warranty

For ROV manufacturers, AUV developers, marine research organizations, and underwater equipment manufacturers, the MCILRA8F provides a practical solution for integrating multiple electrical circuits into compact subsea systems.Its right-angle cable exit is particularly beneficial for applications where installation clearance is limited and cable routing must be carefully controlled.The combination of eight contacts, flexible neoprene construction, and high-pressure capability makes the MCILRA8F a versatile connector option for appropriately designed underwater electrical assemblies.