IL12F 12-Pin Female Inline Underwater Connector – SubConn-Compatible Wet-Mateable Plug

Product Overview

Сайт HYSF SUBSEA IL12F is a 12-pin female inline underwater connector designed for reliable multi-contact electrical connections in demanding marine and subsea environments.As part of the HYSF Standard Circular underwater connector series, the IL12F combines a molded neoprene rubber body, gold-plated electrical contacts, and a wet-mateable mating interface to support underwater power, control, and instrumentation applications.The connector features twelve female contact positions and is primarily designed to mate with the BH12M 12-pin male bulkhead underwater connector.With a rated voltage of 550V AC/DC, a rated current of 10A per contact, and a standard depth rating of 6000 meters (60 MPa) for the qualified mated assembly, the IL12F provides a versatile electrical interface for underwater equipment.Its twelve-contact configuration allows multiple electrical circuits to be accommodated within a single connector assembly.This can help simplify cabling arrangements for subsea instruments, underwater robotic vehicles, inspection systems, and marine monitoring equipment.The standard IL12F configuration is supplied with a 1-meter underwater cable, while alternative cable lengths and custom wiring arrangements are available for specific applications.The HYSF Standard Circular series is designed for mating compatibility with corresponding SubConn and SEACON connector configurations, making the IL12F suitable for new equipment development and compatible replacement applications.

Key Features and Benefits

1. Twelve Female Electrical Contacts

The IL12F provides twelve female electrical contact positions within one circular connector interface.This configuration enables engineers to organize several circuits through a single underwater cable connection.Typical circuit applications include:

• Sensor power connections
• Equipment control signals
• Instrumentation channels
• Auxiliary electrical functions
• Monitoring circuits
• Suitable communication interfaces

Using a multi-contact connector can reduce the number of individual cable connections required on underwater equipment.The final wiring arrangement should be selected according to current requirements, signal characteristics, and cable specifications.

2. Wet-Mateable Underwater Design

The IL12F belongs to the HYSF wet-mateable Standard Circular connector family.Wet-mateable connectors are designed to support mating and unmating in underwater environments under the applicable operating conditions.This capability is particularly useful for equipment that requires periodic maintenance, instrument replacement, or underwater reconfiguration.Examples include ROVs, scientific instruments, subsea inspection tools, and modular underwater systems.Important: Wet-mateable does not automatically mean that the connector can be mated or unmated while energized.Electrical power should be isolated before connection or disconnection unless the complete system is specifically designed and approved for energized mating.

3. Deep-Sea Pressure Capability

The HYSF Standard Circular connector series is designed for operation at water depths up to 6000 meters, corresponding to approximately 60 MPa hydrostatic pressure.This makes the IL12F suitable for demanding underwater environments when used as part of a properly selected and qualified connector assembly.Actual operating suitability depends on the mating connector, cable construction, installation method, and application requirements.

4. Molded Neoprene Rubber Body

The IL12F features a molded neoprene rubber connector body.Neoprene is commonly used for underwater electrical connectors because it provides flexibility, mechanical resilience, and suitability for marine exposure.The molded structure helps protect the electrical mating interface and the connector-to-cable transition.It also supports practical handling during equipment installation, testing, and routine maintenance.

5. Gold-Plated Electrical Contacts

The IL12F uses gold-plated electrical contacts.Gold plating supports stable electrical contact performance and helps reduce surface oxidation when the connector is properly maintained.Reliable electrical contact interfaces are especially important in underwater applications where maintenance or replacement may involve significant operational effort.

6. SubConn and SEACON Compatibility

HYSF Standard Circular underwater connectors are designed to mate with corresponding SubConn and SEACON Standard Circular interfaces.The IL12F can therefore be considered for compatible replacement applications and new underwater equipment designs.The mating interface must be confirmed using the exact connector series, contact configuration, mechanical dimensions, and approved technical drawing.The IL12F is not interchangeable with HYSF Micro Circular connectors or other connector families with different interfaces.

7. Custom Cable Assembly Options

The standard IL12F includes a 1-meter cable.For specialized projects, the cable assembly can be configured with different lengths, conductors, and wiring arrangements.Available engineering options may include:

• Customized cable lengths
• Alternative conductor sizes
• Shielded cable construction
• Application-specific pin assignments
• Open-ended cable terminations
• Connector-to-connector cable assemblies
• Specialized cable materials

The final cable configuration must be suitable for the intended electrical load, transmission requirements, and operating environment.

Технические характеристики

Параметр	Технические характеристики
Brand	HYSF SUBSEA
Модель	IL12F
Product Type	Female Inline Underwater Connector
Connector Series	Standard Circular
Contact Configuration	12-Pin Female
Rated Voltage	550V AC/DC
Rated Current	10A per Contact
Standard Depth Rating	6000m / 60 MPa
Mating Type	Wet-Mateable
Connector Body	Molded Neoprene Rubber
Contact Finish	Gold-Plated
Standard Cable Length	1 Meter
Custom Cable Length	Available
Primary Mating Bulkhead	BH12M
Series Compatibility	Corresponding SubConn / SEACON Standard Circular
Associated BH12M Mounting Thread	3/4-16 UNF-2A
Inline Connector Mounting Thread	Not Applicable
Типовые применения	ROVs, AUVs, Sensors, Sonar, Subsea Instrumentation
Warranty	12 Months

Engineering note: The 3/4-16 UNF-2A mounting thread belongs to the corresponding BH12M bulkhead configuration within the Standard 12/16/25-pin family.The IL12F itself is a cable-mounted inline connector and does not require a panel mounting thread.The rated current and depth capability must be considered together with the complete connector and cable assembly.

Standard 12-Pin Cable Wiring Color Sequence

The standard HYSF 12-core cable uses the following conductor color identification arrangement.

Pin Number	Wire Color
1	Red
2	Red/White
3	Black
4	Black/White
5	Yellow
6	Yellow/White
7	Blue
8	Blue/White
9	Orange
10	Orange/White
11	Brown
12	Brown/White

This color sequence represents the standard wiring arrangement for the relevant HYSF 12-pin cable configuration.Customized cable assemblies may use alternative conductor identification or customer-defined wiring arrangements.The pin numbering and cable termination should always be verified using the approved technical drawing and electrical continuity test results.

Wiring and Signal Considerations

The IL12F provides twelve electrical contacts, but the connector’s contact count does not automatically define its communication capabilities.For applications involving Ethernet, high-speed digital signals, or sensitive analog measurements, the complete cable assembly must be evaluated for:

• Conductor arrangement
• Shielding requirements
• Electrical impedance
• Crosstalk
• Grounding
• Signal attenuation
• Connector and cable compatibility

A suitable cable and system design is required to achieve the intended electrical performance.

Compatible Connectors and Accessories

The IL12F belongs to the HYSF Standard Circular 12-pin connector family.The primary operational mating arrangement is:IL12F Female Inline Connector + BH12M Male Bulkhead ConnectorRelated products include:

Модель	Product Description	Main Function
IL12F	12-Pin Female Inline Connector	Cable-Mounted Female Connector
BH12M	12-Pin Male Bulkhead Connector	Primary Mating Bulkhead
DC12F	12-Pin Female Dummy Plug	Protects BH12M
IL12M	12-Pin Male Inline Connector	Opposite-Gender Inline Configuration
BH12F	12-Pin Female Bulkhead Connector	Mates with IL12M
DC12M	12-Pin Male Dummy Plug	Protects BH12F

IL12F and BH12M

The IL12F provides the cable-mounted electrical interface for a compatible BH12M male bulkhead connector.The BH12M can be installed in an underwater enclosure or pressure housing to provide an electrical connection between internal equipment and an external cable assembly.

DC12F Protective Dummy Plug

When the IL12F is disconnected, a compatible DC12F female dummy plug can be installed to help protect the exposed BH12M male bulkhead interface.This reduces unnecessary environmental exposure during storage, maintenance, and transportation.

IL12F vs. IL12M

The IL12F and IL12M are corresponding female and male inline configurations within the same connector family.

IL12F – Female Inline Connector

• 12-pin female contact configuration
• Molded underwater cable assembly
• Primarily mates with BH12M
• Supports suitable underwater electrical circuits

IL12M – Male Inline Connector

• 12-pin male contact configuration
• Molded underwater cable assembly
• Primarily mates with BH12F
• Supports suitable underwater electrical circuits

Both configurations belong to the Standard Circular family, but the connector gender must match the corresponding equipment interface.

Типовые применения

ROV and AUV Systems

Remotely operated vehicles and autonomous underwater vehicles use electrical connectors for a wide range of equipment interfaces.These may include navigation sensors, monitoring devices, control systems, and auxiliary modules.The IL12F provides twelve contacts within one cable connection, allowing several circuits to be organized through a single interface.

Underwater Sonar and Acoustic Equipment

Sonar systems and underwater acoustic instruments may require multiple electrical conductors for power, control, and measurement functions.The IL12F can provide a suitable interface when the cable construction and electrical design meet the application requirements.For sensitive acoustic or analog signals, shielding and grounding should be carefully evaluated.

Oceanographic Research Equipment

Marine research systems commonly integrate instruments for environmental monitoring and data collection.Applications may include:

• CTD instruments
• Underwater temperature sensors
• Pressure measurement systems
• Marine environmental monitoring
• Scientific data acquisition equipment

The IL12F can support suitable multi-conductor electrical connections within these systems.

Underwater Cameras and Observation Systems

Subsea imaging equipment may require separate power, control, and signal conductors.The IL12F provides a multi-contact connector interface for appropriately designed underwater cable assemblies.Compatibility with specific video transmission protocols must be verified.

Offshore Energy Installations

Offshore monitoring equipment may use underwater connectors for sensor systems and auxiliary control functions.The IL12F offers a wet-mateable connection option for applications requiring multiple electrical contacts.

Subsea Inspection and Maintenance Tools

Portable underwater inspection tools frequently use removable cable assemblies.The IL12F can support equipment designs where periodic disconnection and reconnection are required.

Installation and Mating Guidelines

Correct installation helps preserve electrical performance and underwater sealing integrity.

Step 1: Confirm the Connector Configuration

Verify that the IL12F is being used with a compatible Standard Circular 12-pin male interface.The primary corresponding HYSF bulkhead model is BH12M.Check the contact arrangement and dimensions against the approved drawing.

Step 2: Inspect the Mating Surfaces

Before mating, inspect both connectors for:

• Sand and sediment
• Salt deposits
• Foreign particles
• Damaged contact interfaces
• Deformed rubber surfaces
• Visible mechanical damage

Clean the interfaces according to the recommended connector maintenance procedure.

Step 3: Disconnect Electrical Power

Ensure the connected equipment is electrically isolated before mating or unmating.Do not assume that a wet-mateable connector is suitable for energized connection.

Step 4: Align the Connectors

Align the female IL12F interface with the matching male bulkhead connector.Do not force the components together if the contact arrangement or mating orientation is incorrect.

Step 5: Complete the Mating Procedure

Mate the connector according to the approved installation instructions.Ensure that the connector is correctly seated and the required retention or locking components are secure.

Step 6: Provide Cable Strain Relief

Support the underwater cable to prevent excessive bending, twisting, or pulling loads at the molded connector transition.Adequate strain relief is particularly important for equipment subject to vibration or movement.

Step 7: Verify Electrical Connections

Before operation, verify:

• Correct pin assignments
• Continuity between intended conductors
• Insulation resistance
• Absence of unintended shorts
• Correct cable termination

For critical applications, follow the complete system acceptance test procedure.

Maintenance Recommendations

Clean After Marine Exposure

Inspect the connector after seawater exposure.Where appropriate, rinse with clean fresh water and follow the applicable drying and maintenance instructions.

Inspect the Molded Body

Check the rubber connector body for cuts, cracks, deformation, or deterioration.

Protect the Cable Entry

Avoid sharp bends and excessive pulling near the molded connector-to-cable transition.

Avoid Cable Pulling During Disconnection

Disconnect the connector using the appropriate connector body or retention method.Do not pull directly on the cable.

Protect Unused Bulkhead Interfaces

When the IL12F is removed, use a compatible DC12F protective dummy plug on the corresponding BH12M bulkhead.

Perform Periodic Electrical Checks

For cable assemblies used repeatedly, continuity and insulation resistance testing can help identify potential problems before deployment.

Quality Control and Testing

HYSF SUBSEA manufactures underwater electrical connectors for marine and subsea applications.Quality verification for applicable connector assemblies can include:

• Hydrostatic pressure testing
• Electrical continuity testing
• Insulation resistance testing
• Dielectric withstand testing
• Contact resistance measurement
• Dimensional inspection
• Molded component visual inspection

The exact testing requirements and acceptance criteria depend on the product configuration and approved production specifications.For custom cable assemblies, wiring verification is particularly important to ensure that the finished product follows the approved pin assignment.

Frequently Asked Questions

1. What is the IL12F?

The IL12F is a 12-pin female inline underwater connector from the HYSF Standard Circular series.It is designed for electrical connections in marine and subsea environments.

2. Which bulkhead connector mates with IL12F?

The primary matching model is BH12M, a 12-pin male bulkhead underwater connector.

3. Is IL12F compatible with SubConn?

The HYSF Standard Circular series is designed for compatibility with corresponding SubConn and SEACON Standard Circular connector configurations.The exact connector interface should be verified before installation.

4. What is the rated operating depth?

The Standard Circular series has a standard depth rating of up to 6000 meters under the applicable qualified assembly conditions.

5. Can IL12F be connected underwater?

Yes. The IL12F belongs to a wet-mateable connector family.Electrical power should be isolated before mating or unmating.

6. What is the rated current?

The IL12F is rated for 10A per contact.The complete cable assembly must also be suitably designed for the intended electrical load.

7. What is the rated voltage?

The standard rated voltage is 550V AC/DC.

8. What cable length is supplied?

The standard configuration includes a 1-meter cable.Alternative cable lengths can be manufactured.

9. Does IL12F have a mounting thread?

No. The IL12F is a cable-mounted inline connector.The corresponding BH12M bulkhead uses a 3/4-16 UNF-2A mounting thread in the Standard 12/16/25-pin family.

10. Can IL12F transmit Ethernet data?

The IL12F can provide electrical contacts for suitable communication circuits, but compatibility with a particular Ethernet data rate is not established by the number of contacts alone.The complete cable and connector design must be evaluated.

11. What is the difference between IL12F and IL12M?

IL12F is a female inline connector and primarily mates with BH12M.IL12M is a male inline connector and primarily mates with BH12F.

12. Which dummy plug protects BH12M?

The corresponding protective accessory is DC12F, a 12-pin female dummy plug.

Why Choose HYSF SUBSEA IL12F?

The HYSF IL12F combines a twelve-contact electrical interface with the convenience of a molded underwater cable assembly.Its main advantages include:

• 12-pin female Standard Circular configuration
• Compatible SubConn and SEACON mating design
• Wet-mateable underwater construction
• 6000m standard depth rating
• 550V AC/DC rated voltage
• 10A per contact rated current
• Molded neoprene rubber connector body
• Gold-plated electrical contacts
• Standard 1-meter cable
• Custom cable length and wiring options
• Matching BH12M bulkhead and DC12F protective accessory

Сайт HYSF IL12F 12-Pin Female Inline Underwater Connector provides a versatile electrical connection solution for subsea robotics, marine research equipment, offshore monitoring systems, and underwater instrumentation.