MCILRA12M 12-Pin Male Right-Angle Inline Underwater Connector – Miniature Circular L-Type Series

Product Overview

The HYSF SUBSEA MCILRA12M 12-Pin Male Right-Angle Inline Underwater Connector is a high-density subsea electrical connector designed for underwater equipment requiring multiple electrical circuits, reliable connections, and space-efficient cable routing.Belonging to the HYSF Miniature Circular Right-Angle Connector Series, the MCILRA12M features twelve male electrical contacts, a marine-grade 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 twelve-pin configuration provides a high-density electrical interface for multiple power, signal, control, and instrumentation circuits through a single connector.Designed for demanding subsea environments, the MCILRA12M features 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, subsea monitoring equipment, and marine robotic systems.The MCILRA12M belongs to the Micro 10–16 Pin Right-Angle Series, which uses a 1/2-20 UNF mounting thread.The standard inline cable length is approximately 1 meter, with customized cable lengths, conductor arrangements, and electrical configurations available according to project requirements.The MCILRA12M is particularly suitable for underwater equipment where high contact density, installation clearance, and controlled cable routing are important engineering considerations.

Key Features and Benefits

1. Twelve-Pin Male Electrical Configuration

The MCILRA12M features twelve male electrical contact positions arranged in a compact miniature circular connector interface.Its twelve-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
• Underwater robotic tools
• Marine seismic instrumentation

The twelve-contact arrangement provides flexibility for allocating power, signal, measurement, and control circuits according to the approved wiring diagram.The male contact arrangement is designed to mate with the corresponding compatible twelve-pin female connector.

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

One of the main advantages of the MCILRA12M 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. High-Density Twelve-Channel Electrical Connectivity

Twelve electrical contacts provide substantial connection capacity within a compact underwater connector.This makes the MCILRA12M 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
• Navigation sensors
• Additional control channels

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 MCILRA12M features an IP68 waterproof design for demanding underwater applications.Its marine-grade 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 MCILRA12M 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
• Marine seismic systems

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 MCILRA12M 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 male contact pins are designed to mate with corresponding female socket 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. Marine-Grade Neoprene Rubber Connector Body

The MCILRA12M features a marine-grade 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 MCILRA12M 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 MCILRA12M 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
• Subsea robotic tools
• Underwater data acquisition modules

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

10. Micro 10–16 Pin Right-Angle Connector Interface

The HYSF MCILRA12M belongs to the Micro 10–16 Pin Right-Angle Connector Series.Unlike the Micro 2–8 Pin Right-Angle Series, this series uses a 1/2-20 UNF mounting thread.It is designed for compatible twelve-pin female mating interfaces.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 MCILRA12M suitable for OEM equipment manufacturers, ROV developers, AUV manufacturers, marine research organizations, and subsea engineering companies.

MCILRA12M Technical Specifications

Parameter	Specification
Brand	HYSF SUBSEA
Model	MCILRA12M
SKU	HYSF-MCILRA-12M
Product Type	Male Right-Angle Inline Underwater Connector
Connector Series	Miniature Circular L-Type
Pin Series	Micro 10–16 Pin
Number of Contacts	12 Pins
Contact Gender	Male
Cable Exit	90° L-Shaped / Right-Angle
Connector Body	Marine-Grade 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	1/2-20 UNF
Standard Cable Length	1.0 Meter
Primary Mating Connector	Compatible 12-Pin Female Interface
Customization	Cable Length, Mounting Thread and Electrical Configuration
Warranty	12 Months

Engineering Note: Confirm the actual electrical ratings, detailed pin assignments, mating interface, cable specification, and pressure qualification against the approved MCILRA12M technical documentation.

Twelve-Pin Wiring and Conductor Identification

The MCILRA12M features twelve individual male electrical contact positions.The exact conductor colors and pin assignments should follow the approved MCILRA12M production wiring diagram.Before cable assembly or equipment integration, engineers should verify:

1. The twelve contact positions.
2. The male 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 MCIL12M straight-inline connector wire colors automatically apply to MCILRA12M. Always use the approved pin assignment drawing for production and installation.

Compatible Connectors and Accessories

Compatible 12-Pin Female Inline Connector

The MCILRA12M is designed for connection with a compatible twelve-pin female interface.For cable-to-cable applications, the corresponding female inline configuration should be selected after verifying the mating-face arrangement, contact dimensions, and mechanical retention details.Both sides of a right-angle cable assembly can be configured to support controlled cable routing where required.

Compatible 12-Pin Female Bulkhead Connector

For applications requiring a fixed connector interface through an underwater equipment housing, a compatible twelve-pin female bulkhead connector can be selected.The appropriate bulkhead configuration should be verified against the approved mechanical drawing and connector mating specification.

Protective Dummy Plug

A compatible female protective dummy connector can be selected for the MCILRA12M male mating interface.It helps protect the exposed mating interface when the operational cable is disconnected.The protective model should be selected according to the exact contact arrangement and mechanical interface.

Typical Applications of MCILRA12M

1. Remotely Operated Vehicles (ROVs)

ROVs require multiple underwater electrical connections for cameras, sensors, manipulators, navigation systems, thrusters, and auxiliary equipment.The MCILRA12M provides a twelve-pin male 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, sensors, and electronic modules.The MCILRA12M can be considered for suitable electrical interfaces where compact packaging, high contact density, 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 twelve-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 twelve-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 MCILRA12M can be considered for suitable sonar, hydrophone, and marine acoustic measurement assemblies.

6. Underwater Multi-Function Tools

Subsea robotic tools and multifunction underwater equipment may combine several electrical circuits for power, control, and instrumentation.The MCILRA12M offers a compact multi-contact connection option for appropriately designed tool assemblies.

7. Offshore Energy and Subsea Control

Offshore equipment may require electrical connections for monitoring, instrumentation, and control systems.The MCILRA12M provides a compact connector option for qualified subsea electrical assemblies.

8. Marine Seismic Equipment

Marine seismic and geophysical research systems may require multiple electrical channels for sensors and data acquisition.The MCILRA12M can be considered for suitable underwater instrument and cable assemblies.

9. 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 twelve-pin female interface.

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 twelve conductor assignments using the approved wiring diagram.

Step 4: Check Cable Exit Orientation

Position the MCILRA12M 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 MCILRA12M underwater connector?

The MCILRA12M is a twelve-pin male 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 MCILRA12M have?

The MCILRA12M features twelve male electrical contacts.

Q4: What is the waterproof rating?

The connector features an IP68 waterproof design.

Q5: What is the maximum working depth?

The MCILRA12M is designed for pressure applications up to 60 MPa, corresponding to approximately 6,000 meters of seawater depth.

Q6: What is the mounting thread?

The MCILRA12M belongs to the Micro 10–16 Pin Right-Angle Series and uses a 1/2-20 UNF mounting thread.

Q7: What is the standard cable length?

The standard inline cable length is approximately 1 meter.

Q8: Can the cable length be customized?

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

Q9: What material is used for the connector body?

The connector body is manufactured from marine-grade neoprene rubber.

Q10: What is the contact surface finish?

The electrical contacts feature gold plating.

Q11: How many electrical circuits can the connector support?

The connector has twelve electrical contact positions. The number and function of usable circuits depend on the approved wiring configuration and electrical design.

Q12: Can MCILRA12M be used with a bulkhead connector?

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

Q13: Is MCILRA12M compatible with SubConn?

The MCILRA12M 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.

Q14: Can the twelve-pin wiring arrangement be customized?

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

Q15: Is MCILRA12M suitable for Ethernet?

Twelve contacts provide flexibility for allocating Ethernet signal pairs and additional electrical circuits in appropriately designed systems. However, Ethernet compatibility and transmission speed must be verified using the complete cable, shielding, impedance, and signal-integrity specifications.

Q16: What is the warranty period?

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

Why Choose HYSF SUBSEA MCILRA12M?

The HYSF SUBSEA MCILRA12M 12-Pin Male Right-Angle Inline Underwater Connector provides a compact, high-density electrical connection solution for demanding subsea applications.Its principal advantages include:

• Twelve-pin male inline configuration
• Integrated 90-degree L-shaped cable exit
• Compact miniature circular design
• Marine-grade neoprene rubber body
• Gold-plated electrical contacts
• IP68 waterproof construction
• 60 MPa pressure capability
• Design depth capability up to 6,000 meters
• 1/2-20 UNF mounting thread
• Standard 1-meter inline cable
• Customized cable lengths and electrical configurations
• Compatible twelve-pin female mating options
• 12-month product warranty

For ROV manufacturers, AUV developers, marine research organizations, and underwater equipment manufacturers, the MCILRA12M 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 twelve contacts, flexible neoprene construction, and high-pressure capability makes the MCILRA12M a versatile connector option for appropriately designed underwater electrical assemblies.