MCBHRA2F 2-Pin Female Right-Angle Bulkhead Underwater Connector – Miniature Circular L-Type Series
Product Overview
The
HYSF SUBSEA MCBHRA2F 2-Pin Female Right-Angle Bulkhead Underwater Connector is a compact subsea electrical connector designed for underwater equipment requiring reliable two-channel connectivity and space-efficient installation.Belonging to the HYSF Miniature Circular Right-Angle Connector Series, the MCBHRA2F features two female electrical contacts and an integrated 90-degree right-angle configuration.Unlike conventional straight bulkhead connectors, its right-angle design directs the internal cable leads sideways from the connector mounting interface. This helps reduce axial installation clearance and simplifies cable routing inside compact underwater housings.Featuring a compact Ø15.7 mm body, marine-grade construction, gold-plated electrical contacts, and subsea sealing, the MCBHRA2F is designed for demanding underwater environments.The connector supports pressure applications up to
60 MPa (approximately 6,000 meters of seawater depth).The standard bulkhead configuration includes approximately 0.3-meter internal cable leads, with customized cable lengths, mounting threads, and electrical configurations available according to project requirements.The MCBHRA2F is particularly suitable for ROVs, AUVs, underwater cameras, sensor pods, sonar systems, subsea control modules, and compact underwater electronic housings.
Key Features and Benefits
1. Two-Pin Female Electrical Configuration
The MCBHRA2F features two female electrical contact positions arranged in a compact miniature circular connector interface.Its two-pin configuration provides a practical electrical connection for applications requiring two independent electrical contacts.Typical applications include:
- DC power supply connections
- Positive and negative power circuits
- Underwater camera power
- ROV thruster connections
- AUV battery connections
- Marine sensor interfaces
- Two-wire analog signals
- Underwater lighting systems
- Subsea control circuits
The female socket contacts are designed to mate with compatible two-pin male connectors.
2. Integrated 90-Degree Right-Angle Design
One of the main advantages of the MCBHRA2F is its integrated 90-degree right-angle configuration.The design directs the internal cable leads sideways instead of extending straight behind the bulkhead mounting interface.This is particularly useful when conventional straight bulkhead connectors require excessive internal installation clearance.Key advantages include:
- Reduced axial installation clearance
- Improved internal cable routing
- Better integration in compact pressure housings
- Reduced interference with nearby components
- More organized cable management
- Greater flexibility in equipment layout
The right-angle configuration is especially beneficial for compact ROV frames, AUV side panels, underwater camera pods, and subsea junction boxes.
3. Compact Ø15.7 mm Connector Body
The MCBHRA2F features a compact Ø15.7 mm connector body, making it suitable for equipment requiring multiple electrical interfaces within limited installation space.Its miniature circular construction helps equipment manufacturers integrate electrical connections into compact pressure housings and underwater electronic modules.The compact design is particularly useful for:
- Micro-ROV housings
- AUV sidewall connections
- Compact underwater cameras
- Multi-port subsea junction boxes
- Marine sensor assemblies
- Underwater robotic equipment
4. Marine-Grade Stainless Steel Construction
The standard MCBHRA2F bulkhead configuration uses 316L stainless steel construction designed for demanding marine environments.316L stainless steel provides corrosion resistance and mechanical strength for underwater equipment installations.Key benefits include:
- Marine-grade corrosion resistance
- Mechanical durability
- Stable bulkhead installation
- Suitability for subsea equipment
- Reliable structural support
- Long-term marine equipment integration
Alternative housing materials can be evaluated according to project requirements.
5. Gold-Plated Electrical Contacts
The MCBHRA2F features precision electrical contacts with gold-plated contact surfaces.Gold plating provides a conductive contact surface and helps reduce oxidation at the electrical interface.The two female socket contacts are designed to receive corresponding male contact pins while maintaining suitable electrical contact.The mating surfaces should be inspected before installation and kept clean to prevent contamination from affecting contact performance.
6. Reliable Subsea Sealing Construction
The MCBHRA2F incorporates a subsea sealing arrangement designed for demanding underwater applications.The standard bulkhead package includes the required mounting hardware and O-ring.The sealing arrangement helps protect the electrical interface and equipment housing against water ingress when correctly installed and mated.Proper installation and mating are essential to maintain the intended sealing performance.The sealing surfaces should be inspected before installation and kept free from dirt, debris, and mechanical damage.
7. IP68 Waterproof Protection
The MCBHRA2F features IP68 waterproof protection for demanding underwater applications.Its precision housing, sealing arrangement, and electrical contact assembly are designed for subsea installation.For critical underwater systems, the complete connector and equipment assembly should be qualified according to the intended operating depth and installation conditions.
8. Deep-Sea Pressure Capability up to 6,000 Meters
The MCBHRA2F supports 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 imaging systems
- Offshore inspection equipment
- Deep-sea sensor networks
The actual operating depth depends on the complete connector assembly, mating component, cable construction, sealing arrangement, mounting surface, and installation conditions.For critical applications, the complete installed assembly should be verified through appropriate hydrostatic pressure testing and engineering qualification.
9. Standard 7/16-20 UNF Bulkhead Mounting
The MCBHRA2F belongs to the HYSF Micro Right-Angle Bulkhead Series, which uses a standard 7/16-20 UNF mounting thread.This mounting configuration allows the connector to be integrated into suitable equipment panels and underwater pressure housings.The standard mounting package includes:
Before installation, verify the panel thickness, mounting hole dimensions, thread engagement, and required installation clearance against the approved engineering drawing.
10. Standard 0.3-Meter Bulkhead Cable Leads
The MCBHRA2F is supplied with approximately 0.3-meter internal cable leads in its standard bulkhead configuration.The leads provide an electrical connection between the external subsea connector interface and internal equipment electronics.Customized cable lengths and conductor arrangements can be evaluated according to project requirements.Available customization options include:
- Alternative cable lengths
- Customized cable specifications
- Different conductor arrangements
- Customized wire identification
- Alternative conductor sizes
- Specialized cable termination requirements
- Customized wiring assignments
The exact conductor colors and pin assignments should follow the approved MCBHRA2F production wiring diagram.
11. 10A Per Contact Electrical Capability
The HYSF Micro 2–8 Pin Right-Angle Series specifies a rated current of
10 A per contact and a rated voltage of
550 V AC/DC.The MCBHRA2F provides two electrical contact positions for appropriately designed power, signal, and control circuits.The published series insulation resistance specification is at least 200 MΩ under a 1000 V test condition.Actual electrical performance depends on conductor size, contact loading, operating temperature, cable construction, and installation conditions.
12. Designed for Compact ROV and AUV Equipment
The MCBHRA2F is particularly useful in applications where conventional straight bulkhead connectors are difficult to install.Its 90-degree configuration helps direct internal cable leads away from nearby mechanical components and can improve the overall layout of compact equipment.Potential integration environments include:
- Micro-ROV electronics housings
- AUV side panels
- Compact subsea junction boxes
- Underwater camera assemblies
- ROV thruster connections
- Multi-port pressure housings
- Marine instrumentation packages
- Compact underwater robotic tools
- Subsea monitoring systems
The right-angle design helps simplify internal cable routing in installations where available space is limited.
13. Designed for Repeated Mating Operations
The MCBHRA2F belongs to the HYSF Miniature Circular connector family, which specifies at least 500 mating cycles.Proper alignment and careful handling during mating help protect the contact sockets and sealing surfaces.Always inspect the connector before mating and avoid forcing incorrectly aligned connectors together.
14. Customization for OEM and Subsea Projects
Different underwater equipment manufacturers have different requirements for mounting dimensions, electrical wiring, and mechanical integration.HYSF SUBSEA supports customized connector configurations according to project specifications.Customization can include:
- Cable lead length
- Mounting thread specifications
- Housing materials
- Electrical ratings
- Contact assignment
- Wiring identification
- Cable specifications
- Specialized installation requirements
This flexibility makes the MCBHRA2F suitable for OEM equipment manufacturers, ROV developers, AUV manufacturers, marine research organizations, and subsea engineering companies.
MCBHRA2F Technical Specifications
| Parameter | Specification |
|---|
| Brand | HYSF SUBSEA |
| Model | MCBHRA2F |
| SKU | HYSF-MCBHRA-2F |
| Product Type | 2-Pin Female Right-Angle Bulkhead Connector |
| Connector Series | Miniature Circular L-Type |
| Number of Contacts | 2 Pins |
| Contact Gender | Female |
| Installation Type | Bulkhead / Panel Mount |
| Cable Exit | 90° Right-Angle |
| Body Diameter | Ø15.7 mm |
| Housing Material | 316L Stainless Steel |
| Contact Material | Gold-Plated Electrical Contacts |
| Mounting Thread | 7/16-20 UNF |
| Standard Bulkhead Lead Length | 0.3 m |
| Cable Insulation | Confirm against ordered configuration |
| Rated Current | 10 A per Pin |
| Rated Voltage | 550 V AC/DC |
| Insulation Resistance | ≥200 MΩ at 1000 V |
| Waterproof Rating | IP68 |
| Pressure Rating | Up to 60 MPa |
| Approximate Working Depth | Up to 6,000 Meters |
| Operating Temperature | -60°C to +80°C |
| Mating Cycles | ≥500 |
| Standard Accessories | Nut / Washer / O-Ring |
| Warranty | 12 Months |
Engineering Note: Specifications are based on the HYSF MCBHRA2F product information and the HYSF Micro 2–8 Pin Right-Angle series technical catalog. Confirm exact dimensions, materials, electrical ratings, and installation requirements against the approved engineering drawing before production or deployment.
Two-Pin Wiring and Contact Identification
The MCBHRA2F features two individual female electrical contact positions.The exact conductor colors and pin assignments should follow the approved MCBHRA2F production wiring diagram.Before cable assembly or equipment integration, engineers should verify:
- The two contact positions.
- The female connector mating-face orientation.
- The corresponding conductor identification.
- The pin-to-wire assignment.
- The positive and negative power allocation, if used for DC power.
- Electrical continuity.
- Insulation between individual contacts.
Customized wiring arrangements are available according to project requirements.
Important: Always use the approved MCBHRA2F production wiring diagram for final assembly and installation.
Compatible Connectors and Accessories
MCIL2M – 2-Pin Male Inline Underwater Connector
The
MCIL2M is a two-pin male inline cable connector designed to mate with compatible two-pin female bulkhead interfaces.It is the corresponding male cable-mounted mating option for the MCBHRA2F in suitable underwater cable assemblies.
MCBHRA2M – 2-Pin Male Right-Angle Bulkhead Connector
The MCBHRA2M is the corresponding male right-angle bulkhead model in the HYSF Miniature Circular family.It features two male electrical contacts and a 90-degree configuration for compatible underwater equipment installations.
MCBH2M – 2-Pin Male Straight Bulkhead Connector
The MCBH2M is a conventional straight male bulkhead connector for compatible two-pin underwater connections.It can be considered for equipment installations where a right-angle configuration is not required, subject to mating-interface verification.
MCIL2F – 2-Pin Female Inline Underwater Connector
The MCIL2F is a two-pin female inline cable connector for compatible underwater cable assemblies.It can be considered for applications requiring a female cable-mounted connection.
MCDC2M – 2-Pin Male Protective Dummy Plug
The MCDC2M is a male protective dummy connector designed for compatible two-pin female interfaces.It helps protect the exposed mating interface when the MCBHRA2F is not connected to its operational male connector.
Typical Applications of MCBHRA2F
1. Remotely Operated Vehicles (ROVs)
ROVs require multiple underwater electrical interfaces for cameras, sensors, thrusters, navigation systems, and communication equipment.The MCBHRA2F provides a two-pin female bulkhead interface with a right-angle configuration, helping simplify internal cable routing in compact vehicle housings.
2. Autonomous Underwater Vehicles (AUVs)
AUVs frequently incorporate multiple instruments, sensors, battery systems, and electronic modules.The MCBHRA2F can be considered for suitable two-wire electrical interfaces where limited installation clearance is important.
3. Underwater Cameras and Lighting Systems
Underwater imaging systems may require dedicated electrical connections for camera power and auxiliary lighting.The two-pin configuration provides a compact interface for appropriately designed power circuits.
4. ROV Thruster Connections
Compact ROV thruster systems often require electrical power connections within limited mechanical installation spaces.The right-angle configuration can help simplify internal cable routing around the vehicle frame and pressure housing.The electrical suitability must be verified against the thruster’s voltage, current, and conductor requirements.
5. Marine Sensors and Instrumentation
Marine monitoring equipment frequently uses two-wire power and signal configurations.The MCBHRA2F provides a compact two-pin bulkhead connection for suitable sensor and instrumentation applications.
6. Subsea Junction Boxes
Subsea junction boxes require reliable electrical interfaces for connecting cables, sensors, and auxiliary equipment.The right-angle configuration helps improve internal cable routing and reduce interference with nearby components.
7. Offshore Energy and Subsea Control
Offshore equipment may require electrical connections for monitoring, instrumentation, and control systems.The MCBHRA2F provides a compact connector option for appropriately qualified subsea electrical assemblies.
8. Oceanographic Research Equipment
Scientific research equipment often operates in confined pressure housings with multiple sensor connections.The right-angle bulkhead configuration can help simplify internal cable routing around compact underwater instrument packages.
9. Underwater Robotic Systems
Underwater robotic systems frequently incorporate compact electrical interfaces for motors, sensors, actuators, and control electronics.The MCBHRA2F provides a practical two-pin bulkhead connection for suitable robotic equipment applications.
Installation Guidelines
Step 1: Verify Mounting Compatibility
Confirm that the equipment panel or pressure housing is designed for the MCBHRA2F 7/16-20 UNF mounting configuration.Verify the mounting hole dimensions, panel thickness, and required installation clearance against the approved drawing.
Step 2: Prepare the Mounting Surface
Ensure that the mounting surface is clean, flat, and free from burrs or damage.The sealing surface should meet the required engineering specifications.
Step 3: Inspect the Sealing Components
Check the O-ring and sealing surfaces for contamination, cuts, deformation, or other visible damage.
Step 4: Install the Bulkhead Connector
Position the MCBHRA2F according to the approved mounting orientation.Use the supplied mounting nut and washer according to the installation instructions.
Step 5: Route the Internal Leads
Position the right-angle cable exit according to the intended cable routing direction.Ensure that the leads do not experience excessive bending or mechanical strain.
Step 6: Verify the Wiring
Confirm both conductor assignments using the approved wiring diagram.
Step 7: Connect the Mating Connector
Align the compatible MCIL2M male connector with the MCBHRA2F female contact interface.Avoid forcing the connector into an incorrect position.
Step 8: Perform Electrical and Pressure Checks
Verify electrical continuity, insulation resistance, and the complete assembly’s pressure qualification according to the application 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 MCBHRA2F underwater connector?
The MCBHRA2F is a two-pin female right-angle bulkhead underwater electrical connector from the HYSF Miniature Circular L-Type Series.
Q2: What is the main advantage of the right-angle design?
Its 90-degree configuration directs the internal cable leads sideways from the bulkhead mounting interface, helping reduce axial installation clearance requirements.
Q3: How many electrical contacts does MCBHRA2F have?
The MCBHRA2F features two female electrical contacts.
Q4: What is the connector body diameter?
The nominal connector body diameter is approximately 15.7 mm.
Q5: What is the mounting thread?
The standard mounting thread is 7/16-20 UNF.
Q6: What is the rated current?
The HYSF Micro 2–8 Pin Right-Angle series specifies 10 A per contact.
Q7: What is the rated voltage?
The series rated voltage is 550 V AC/DC.
Q8: What is the waterproof rating?
The connector features an IP68 waterproof design.
Q9: What is the maximum working depth?
The MCBHRA2F supports pressure applications up to 60 MPa, corresponding to approximately 6,000 meters of seawater depth.
Q10: What is the standard bulkhead lead length?
The standard bulkhead lead length is approximately 0.3 meter.
Q11: What materials are used?
The standard bulkhead housing is manufactured from 316L stainless steel and features gold-plated electrical contacts.
Q12: Which connector mates with MCBHRA2F?
The MCIL2M is the corresponding male inline cable connector for compatible mating. The MCBHRA2M is the corresponding male right-angle bulkhead model.
Q13: Can the bulkhead lead length be customized?
Yes. Customized lead lengths and cable configurations are available according to project requirements.
Q14: Is MCBHRA2F suitable for ROV applications?
Yes. Its two-pin configuration and compact right-angle design make it suitable for appropriately designed ROV power, control, and sensor interfaces.
Q15: How many mating cycles can it support?
The HYSF Micro 2–8 Pin series technical catalog specifies at least 500 mating cycles.
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 MCBHRA2F?
The
HYSF SUBSEA MCBHRA2F 2-Pin Female Right-Angle Bulkhead Underwater Connector provides a compact electrical connection solution for demanding subsea applications.Its principal advantages include:
- Two-pin female bulkhead configuration
- Integrated 90-degree right-angle design
- Compact Ø15.7 mm body diameter
- Miniature circular construction
- 316L stainless steel housing
- Gold-plated electrical contacts
- Subsea sealing construction
- 7/16-20 UNF mounting thread
- Standard 0.3-meter bulkhead leads
- 10 A per contact rated current
- 550 V AC/DC rated voltage
- IP68 waterproof protection
- 60 MPa pressure capability
- Design depth capability up to 6,000 meters
- At least 500 mating cycles
- Standard mounting nut, washer, and O-ring
- Customized cable and mounting configurations
- 12-month product warranty
For ROV manufacturers, AUV developers, marine research organizations, and underwater equipment manufacturers, the MCBHRA2F provides a practical solution for integrating two electrical circuits into compact subsea housings.Its right-angle configuration is particularly beneficial for applications where internal installation clearance is limited and cable routing must be carefully controlled.The combination of compact construction, precision electrical contacts, subsea sealing, and high-pressure capability makes the MCBHRA2F a practical bulkhead connector option for appropriately designed underwater electrical assemblies.
