BH6F 6-Pin Female Bulkhead Underwater Connector – SubConn Compatible

Reliable 6-Pin Female Bulkhead Connector for Deep-Sea Applications

The BH6F 6-Pin Female Bulkhead Underwater Connector from HYSF SUBSEA is a high-performance subsea electrical connector designed to provide reliable power and signal connections through the pressure housings of underwater equipment.As part of the HYSF Standard Circular Connector Series, the BH6F features six female electrical contacts, a corrosion-resistant stainless steel housing, and a threaded bulkhead mounting design.Engineered for underwater environments at depths of up to 6000 meters, the BH6F is suitable for remotely operated vehicles (ROVs), autonomous underwater vehicles (AUVs), marine sensors, oceanographic instruments, underwater cameras, and offshore monitoring equipment.The standard BH6F features a 5/8-18 UNF-2A mounting thread, a nominal thread length of 19 mm, and approximately 0.3 meters of internal wire leads for convenient connection to electronic components inside an equipment enclosure.The connector is designed to mate with the IL6M 6-pin male inline underwater connector.Its Standard Circular mating interface is also compatible with corresponding SubConn and SEACON 6-pin male connector configurations.With its durable construction, dependable sealing design, and flexible customization options, the BH6F provides a practical electrical connection solution for subsea equipment manufacturers and marine engineering applications.

Key Features of the BH6F Underwater Connector

1. Six Female Electrical Contacts

The BH6F features six precision-manufactured female electrical contacts designed for stable underwater electrical connections.Its six-contact configuration supports multiple electrical circuits within a single bulkhead connector interface.Typical applications include:

• Underwater sensor power supplies
• Marine instrumentation
• Subsea electrical control systems
• Oceanographic monitoring equipment
• Underwater camera connections
• Marine electronic modules
• Offshore measurement equipment

Each contact has a nominal current rating of 10 A, subject to the operating conditions and the complete electrical assembly design.The six-contact configuration provides flexibility for suitable power and signal applications requiring multiple conductors.

2. SubConn and SEACON Compatible Standard Circular Interface

The BH6F is designed with a Standard Circular mating interface compatible with corresponding SubConn and SEACON 6-pin male underwater connectors.This compatibility makes it suitable for integration into existing marine equipment and compatible connector replacement applications.The BH6F can be paired with:

• HYSF IL6M male inline underwater connectors
• Corresponding SubConn Standard Circular 6-pin male cable connectors
• Corresponding SEACON Standard Circular 6-pin male connectors

Compatibility should always be verified against the exact connector part number, contact arrangement, and locking configuration before installation.Importante: BH6F belongs to the Standard Circular Series and should not be confused with MCBH6F, which belongs to the Micro Circular Series.These products use different mechanical interfaces and are not interchangeable.

3. Designed for Underwater Depths Up to 6000 Meters

The BH6F is engineered for demanding subsea environments requiring reliable operation under high hydrostatic pressure.The standard connector series supports underwater operating depths of up to 6000 meters of seawater, equivalent to approximately 60 MPa.This makes the BH6F suitable for applications such as:

• Deep-sea research equipment
• Underwater robotic vehicles
• Offshore inspection systems
• Oceanographic measurement instruments
• Seabed monitoring installations
• Subsea industrial equipment

The maximum operating depth of the complete installation depends on the connector configuration, correct mounting, sealing conditions, and qualification of the assembled system.

4. Corrosion-Resistant 316L Stainless Steel Housing

The standard BH6F bulkhead connector features a 316L stainless steel housing.316L stainless steel provides good corrosion resistance and mechanical durability in demanding marine environments.The robust construction is designed for equipment exposed to:

• Seawater
• High hydrostatic pressure
• Mechanical vibration
• Repeated deployment and retrieval
• Offshore operating conditions
• Long-term marine exposure

The stainless steel housing helps maintain mechanical integrity during underwater operation.Alternative housing configurations, including appropriately anodized aluminum, can be discussed according to project requirements.When installing stainless steel connectors into aluminum housings, suitable measures should be considered to reduce the risk of galvanic corrosion.

5. Secure Threaded Bulkhead Mounting

The BH6F is designed for mounting through the wall of an underwater pressure housing or equipment enclosure.Its standard mounting thread is:5/8-18 UNF-2AThe nominal threaded length is approximately 19 mm.The threaded mounting design allows the connector to be securely installed in a compatible bulkhead opening.The connector uses an O-ring sealing arrangement to help maintain a watertight interface between the connector housing and the equipment enclosure.The standard product configuration includes appropriate mounting hardware.Mounting nuts are normally manufactured from POM, while 316L stainless steel options may also be available.The enclosure mounting hole, wall thickness, O-ring sealing surface, and thread engagement should comply with the approved installation drawing.

6. Gold-Plated Electrical Contacts

The BH6F incorporates gold-plated electrical contacts designed to provide dependable conductivity and stable electrical performance.Gold plating helps maintain reliable electrical contact during normal use and supports repeated mating cycles under appropriate operating conditions.The connector interface should be kept free from dirt, sediment, and other contamination.Before mating the BH6F with a compatible male inline connector, users should inspect the connector faces and follow the approved mating procedure.

7. Standard 0.3-Meter Internal Wire Leads

The BH6F is normally supplied with approximately 0.3 meters of internal wire leads extending from the rear of the connector.These wire leads allow convenient connection to electronic components inside the equipment enclosure.Typical internal connections include:

• Printed circuit boards
• Sensor electronics
• Electrical distribution terminals
• Control modules
• Internal wiring harnesses
• Marine instrumentation systems

Custom wire lengths and termination configurations can be discussed according to project requirements.Customers requiring special conductor sizes, wiring assignments, or wire identification should confirm these details before production.

BH6F Technical Specifications

Parámetro	Specification
Product Model	BH6F
Brand	HYSF SUBSEA
Serie de productos	Standard Circular
Tipo de conector	Female Bulkhead Underwater Connector
Contact Configuration	6 Female Contacts
Installation Type	Panel / Bulkhead Mount
Standard Housing Material	Acero inoxidable 316L
Optional Housing Material	Aluminio anodizado
Rosca de montaje	5/8-18 UNF-2A
Nominal Thread Length	19 mm
Standard Internal Wire Length	0.3 m
Rated Voltage	550 V AC/DC
Rated Current	10 A per Contact
Maximum Operating Depth	Up to 6000 m
Pressure Rating	Up to 60 MPa
Electrical Contacts	Gold-Plated
Sealing Method	O-Ring Sealing
Mating Connector	IL6M
Protective Dummy Plug	DC6M
Compatible Connector Families	Corresponding SubConn and SEACON Standard Circular
Mating Capability	Wet-Mateable
Garantía	12 Months

Note: Specifications apply to the standard connector configuration. Final dimensions, electrical ratings, mounting requirements, and customized features should be verified against the approved product datasheet and engineering drawings.

BH6F Six-Pin Wiring Information

The HYSF Standard Circular 6-pin connector series lists the following standard cable wiring color arrangement:

Pin Number	Standard Wire Color
Pin 1	Red
Pin 2	Black
Pin 3	Yellow
Pin 4	Blue
Pin 5	Green
Pin 6	Brown

This table represents the standard series cable color arrangement.Importante: The internal pigtail wire colors of bulkhead connectors may differ from those used in inline cable assemblies.Some bulkhead configurations use numbered wires or other identification methods.For accurate wiring, always refer to the actual connector pin diagram and supplied wiring documentation.Customized wiring arrangements are available according to project requirements.

BH6F Compatible Connectors and Accessories

Choosing the correct mating connector and protective accessories is important for maintaining reliable underwater electrical connections.

IL6M – 6-Pin Male Inline Underwater Connector

The IL6M is the corresponding male inline cable connector for the BH6F.It features six male electrical contacts and is normally supplied with approximately 1 meter of underwater cable.When correctly mated, the BH6F and IL6M provide a sealed underwater electrical connection between an equipment enclosure and an external subsea cable assembly.Recommended electrical connection:BH6F Female Bulkhead + IL6M Male Inline ConnectorThis combination can be used for suitable underwater power, sensor, and control circuits.

DC6M – 6-Pin Male Protective Dummy Plug

The DC6M is the corresponding male protective dummy plug for the BH6F female bulkhead connector.When the IL6M cable connector is disconnected, the DC6M can be installed to protect the exposed female mating interface.The dummy plug helps reduce exposure to contamination and accidental mechanical contact during maintenance and storage.Protective configuration:BH6F Female Bulkhead + DC6M Male Dummy PlugThe DC6M is a protective accessory and does not provide an electrical connection.The pressure and sealing capability of a dummy-plugged assembly should be verified for the intended operating conditions.

BH6F vs. BH6M

The BH6F and BH6M are different connector configurations.

Model	Contact Gender	Corresponding Inline Connector
BH6F	Female	IL6M
BH6M	Male	IL6F

Both models belong to the HYSF Standard Circular 6-pin connector series.Customers should verify the required contact gender before ordering.

BH6F Installation Guidelines

Proper installation is essential for reliable electrical performance and maintaining the pressure integrity of the underwater equipment enclosure.

Step 1: Confirm the Mounting Dimensions

Before installation, review the approved BH6F technical drawing.Confirm the required mounting hole dimensions, wall thickness, thread engagement, and sealing surface requirements.Do not determine the mounting hole size solely from the nominal thread specification.

Step 2: Inspect the Connector and Sealing Components

Check the connector housing, mounting thread, and O-ring before installation.Ensure that the O-ring is free from cuts, deformation, or contamination.Inspect the corresponding enclosure sealing surface for scratches, burrs, or other defects.

Step 3: Install the Connector

Insert the BH6F through the prepared mounting hole.Secure the connector using the appropriate mounting hardware.Follow the tightening procedure specified in the approved installation documentation.Avoid excessive tightening that could damage the mounting components or sealing surfaces.

Step 4: Connect the Internal Wiring

Route the standard 0.3-meter wire leads to the appropriate electronic components inside the housing.Confirm the pin numbering and actual wire identification before making electrical connections.Provide suitable strain relief and avoid sharp bends or excessive pulling forces.

Step 5: Inspect and Test the Complete Assembly

After installation, inspect the completed connector assembly.Depending on the application, testing may include:

• Electrical continuity testing
• Insulation resistance testing
• Dielectric withstand testing
• Functional system testing
• Pressure or leakage testing

For subsea pressure housings, the complete installed system should undergo appropriate sealing validation before deployment.

Wet-Mateable Underwater Connector Design

The BH6F belongs to the HYSF Standard Circular wet-mateable connector family.The connector is designed to support mating and demating in underwater environments when used with compatible mating components.Wet-mateable connectors are useful for subsea equipment maintenance, underwater cable replacement, and marine research applications.However, wet-mateable does not automatically mean live-mateable.Electrical power should be switched off before mating or demating unless the specific connector configuration and application have been qualified for energized operation.Before connecting the BH6F to an IL6M male inline connector, inspect the mating surfaces and ensure that they are free from contamination.Follow the approved mating and locking procedure to achieve proper connector engagement.

Typical Applications of BH6F Underwater Connectors

Remotely Operated Vehicles (ROVs)

ROVs require reliable electrical interfaces between internal electronics and external underwater equipment.The BH6F can be installed through the vehicle’s pressure housing to support suitable sensor, lighting, and control connections.

Autonomous Underwater Vehicles (AUVs)

AUVs use pressure-resistant connectors to integrate external instruments with internal electrical systems.The BH6F provides a six-contact bulkhead interface for appropriate AUV equipment.

Oceanographic Instruments

Marine research equipment frequently requires sealed electrical connections for sensor power supplies and measurement signals.The BH6F can be integrated into oceanographic monitoring devices and underwater scientific instruments.

Underwater Cameras and Lighting

Subsea cameras and lighting systems may require multiple conductors for power and control circuits.The BH6F provides a durable panel-mounted interface for suitable underwater electrical configurations.

Offshore Monitoring Equipment

Offshore monitoring systems frequently operate in demanding seawater environments.The BH6F can be used in suitable underwater junction boxes, electronic housings, and monitoring installations.

Marine Research and Testing

Research institutions and subsea equipment manufacturers can use the BH6F for underwater prototypes, experimental instruments, and test platforms.

HYSF SUBSEA Manufacturing and Quality Control

HYSF SUBSEA specializes in the manufacturing of underwater electrical connectors, subsea cable assemblies, fiber optic connectors, and customized marine connection solutions.Our Standard Circular connector range is designed for reliable electrical performance in demanding marine applications.Depending on product specifications and project requirements, manufacturing inspections and qualification testing may include:

• Dimensional inspection
• Electrical continuity testing
• Insulation resistance testing
• Dielectric withstand testing
• Hydrostatic pressure testing
• Salt spray testing
• Mechanical durability evaluation

The standard BH6F connector is supplied with a 12-month warranty.HYSF SUBSEA also supports customized internal wire lengths, termination configurations, and specialized connector assemblies according to project requirements.

Frequently Asked Questions

What is the BH6F underwater connector?

The BH6F is a 6-pin female bulkhead underwater electrical connector designed for installation through the wall of a subsea equipment enclosure.

Which connector mates with BH6F?

The corresponding HYSF mating connector is IL6M, the Standard Circular 6-pin male inline underwater connector.

Is BH6F compatible with SubConn?

Yes. BH6F is designed to be compatible with corresponding SubConn Standard Circular 6-pin male connectors.The exact connector model should be verified before installation.

What is the maximum operating depth?

The standard connector series supports underwater operating depths of up to 6000 meters, subject to correct installation and qualification of the complete assembly.

What is the mounting thread size?

The standard BH6F mounting thread is 5/8-18 UNF-2A, with a nominal threaded length of 19 mm.

What is the standard internal wire length?

The BH6F is normally supplied with approximately 0.3 meters of internal wire leads.

Can the wire length be customized?

Yes. Customized wire lengths and termination configurations can be discussed according to project requirements.

What material is the connector housing made from?

The standard BH6F housing is manufactured from Acero inoxidable 316L.Anodized aluminum configurations may also be available depending on the application.

What is the rated voltage?

The standard connector series is rated at 550 V AC/DC.

What is the rated current?

The standard BH6F is rated at 10 A per contact, subject to the operating conditions of the complete electrical system.

Is BH6F wet-mateable?

Yes. BH6F belongs to the Standard Circular wet-mateable connector family.Electrical power should be disconnected before mating or demating unless energized operation has been specifically qualified.

Which dummy plug is used with BH6F?

The corresponding protective dummy plug is DC6M, which has a male mating interface designed for the BH6F female bulkhead.

What is the difference between BH6F and MCBH6F?

BH6F belongs to the Standard Circular Series, while MCBH6F belongs to the Micro Circular Series.They use different mechanical interfaces and are not interchangeable.

Conclusión

The HYSF SUBSEA BH6F 6-Pin Female Bulkhead Underwater Connector provides a reliable panel-mounted electrical interface for subsea equipment operating in demanding marine environments.Featuring six female electrical contacts, a corrosion-resistant 316L stainless steel housing, a 5/8-18 UNF mounting thread, and standard 0.3-meter internal wire leads, the BH6F is suitable for ROVs, AUVs, marine sensors, oceanographic instruments, and offshore monitoring applications.Its compatibility with corresponding SubConn and SEACON Standard Circular interfaces makes it a practical solution for new underwater equipment designs and compatible replacement applications.For a complete electrical connection, the BH6F can be paired with the IL6M 6-pin male inline underwater connector.When the external cable is disconnected, the DC6M male dummy plug can be used to protect the female mating interface.HYSF SUBSEA also supports customized wire lengths, housing materials, and termination arrangements according to specialized underwater project requirements.