IL5M 5-Pin Male Inline Underwater Connector – SubConn Compatible Standard Circular Series

Reliable 5-Pin Underwater Connector for Subsea Power and Signal Transmission

The HYSF SUBSEA IL5M 5-Pin Male Inline Underwater Connector is a high-performance electrical cable connector designed for reliable power and signal transmission in demanding subsea environments.As part of the HYSF Standard Circular Series, the IL5M features five male electrical contacts, a durable molded connector body, and an integrated underwater cable.Its construction is designed to support dependable electrical connections in marine applications involving high hydrostatic pressure, seawater exposure, and demanding operating conditions.The IL5M is designed to mate with the BH5F 5-Pin Female Bulkhead Underwater Connector, providing a watertight electrical interface between external subsea equipment and electronics installed inside an underwater housing.With a standard electrical rating of 550V AC/DC and 10A, the IL5M is suitable for a variety of underwater power, control, and instrumentation applications.The HYSF Standard Circular connector family is designed for operating depths of up to 6,000 meters, making the IL5M suitable for ROVs, AUVs, underwater sensors, oceanographic instruments, offshore monitoring systems, and other subsea equipment.

Key Features of the IL5M Underwater Connector

1. Five Male Electrical Contacts

The IL5M incorporates five male electrical contacts, providing five independent electrical circuits within a single underwater connector.Its five-contact configuration offers flexibility for subsea applications requiring additional wiring capacity.Potential electrical arrangements include:

• Positive and negative power connections
• Power supply with multiple signal circuits
• Multi-wire underwater sensors
• Instrumentation and monitoring connections
• Equipment control systems
• Custom five-conductor electrical assemblies

The actual function of each contact depends on the approved system wiring configuration.The five-contact design does not assign fixed power or signal functions unless specified by the equipment manufacturer.

2. SubConn Compatible Standard Circular Interface

The HYSF IL5M is designed for compatibility with corresponding SubConn and SEACON Standard Circular 5-pin underwater connector interfaces.Its standardized mating configuration supports integration with matching underwater equipment and cable assemblies.This makes the IL5M suitable for:

• New subsea equipment development
• Replacement underwater cables
• ROV electrical system maintenance
• Marine instrument upgrades
• Compatible connector replacement projects
• Custom underwater cable assemblies

The IL5M is primarily paired with the BH5F Female Bulkhead Connector.For existing equipment, the original connector model, contact arrangement, and mating dimensions should be verified before replacement.The IL5M belongs to the Standard Circular family and should not be confused with the smaller MCIL5M Micro Circular connector.

3. Designed for Deep-Sea Operation

The HYSF Standard Circular connector family is designed for demanding subsea conditions, including applications at depths of up to 6,000 meters.This corresponds to approximately 60 MPa of hydrostatic pressure.The IL5M can be integrated into underwater systems requiring dependable electrical connections under high external pressure.Typical applications include:

• Deep-sea ROV systems
• Autonomous underwater vehicles
• Oceanographic research instruments
• Subsea monitoring equipment
• Marine scientific systems
• Offshore inspection equipment

The operating depth of the completed connector and cable assembly depends on the selected configuration, cable construction, mating condition, and applicable pressure qualification.Correct installation and system-level verification are essential for reliable deep-sea operation.

4. Wet-Mateable Connector Design

The IL5M belongs to HYSF’s wet-mateable Standard Circular connector family.The mating interface is designed to support underwater connection and disconnection when operated according to the manufacturer’s instructions.Wet-mateable capability can be useful for underwater equipment requiring removable sensors, modular instruments, or detachable electrical cables.However, wet-mateable does not automatically mean that the connector can be connected or disconnected while electrically energized.Electrical power should be isolated before mating or unmating unless a separately qualified procedure explicitly permits another operating condition.

5. Durable Neoprene Rubber Construction

The standard IL5M features a molded connector body made from neoprene rubber.Neoprene rubber is widely used in underwater connector systems because it provides flexibility and supports reliable sealing in marine environments.The molded construction protects the electrical termination area and provides a transition between the mating interface and the attached underwater cable.This design is suitable for demanding equipment installations where electrical reliability and mechanical durability are important.The cable should be routed carefully to avoid excessive bending, pulling, or twisting near the molded connector body.For systems involving repeated cable movement, suitable strain relief and cable support should be incorporated into the equipment design.

6. Gold-Plated Male Contacts

The IL5M uses gold-plated electrical contacts to support stable conductivity and reliable mating performance.Gold-plated contact surfaces help reduce contact oxidation and provide a suitable interface for repeated electrical connections.Proper contact maintenance is important for preserving reliable electrical performance.The connector should be inspected regularly for contact damage, contamination, and abnormal wear.Cleaning should follow the recommended procedures for the connector materials and mating interface.

7. Standard 1-Meter Underwater Cable

The IL5M is normally supplied with approximately 1 meter of underwater cable.This standard cable length provides a practical connection between the underwater connector and the equipment’s electrical termination point.Customized cable lengths can be specified for project requirements.Typical options include:

• 0.5-meter cable
• 2-meter cable
• 3-meter cable
• 5-meter cable
• 10-meter cable
• Longer customized cable assemblies

Alternative conductor arrangements and cable specifications may also be evaluated.Cable selection should account for operating voltage, current, conductor size, signal requirements, mechanical loading, and installation conditions.

IL5M Technical Specifications

Parámetro	Specification
Manufacturer	HYSF SUBSEA
Model Number	IL5M
Connector Series	Standard Circular
Tipo de conector	Male Inline Underwater Connector
Número de contactos	5
Contact Gender	Male
Rated Voltage	550V AC/DC
Rated Current	10A
Maximum Rated Operating Depth	Up to 6,000 m
Approximate Pressure Rating	60 MPa
Contact Finish	Gold-Plated
Standard Body Material	Neoprene Rubber
Connector Construction	Molded Underwater Cable Connector
Standard Cable Length	1 Meter
Mating Bulkhead Connector	BH5F
Mating Type	Wet-Mateable Series
Interface Compatibility	Corresponding SubConn Standard Circular 5-Pin
Customized Cable Lengths	Available
Garantía	12 Months

Specifications refer to the applicable standard configuration. The final connector and cable assembly should be confirmed against the intended electrical, mechanical, and pressure requirements.

Standard Wiring Identification

The IL5M uses five individually numbered electrical contacts.For the HYSF Standard Circular 5-pin series, the standard conductor color identification is:

Pin Number	Standard Wire Color
Pin 1	Red
Pin 2	Black
Pin 3	Yellow
Pin 4	Blue
Pin 5	Orange

This standard identification can assist with electrical assembly, inspection, and maintenance.The final wiring arrangement should follow the approved product drawing and project-specific pin assignments.Alternative conductor identification and customized wiring configurations can be specified before production.When integrating the IL5M into existing underwater equipment, electrical functions and pin numbering should always be verified before applying power.

Compatible Connectors and Accessories

BH5F – 5-Pin Female Bulkhead Connector

The BH5F is the primary mating bulkhead connector for the IL5M male inline connector.It is designed for installation through the wall of a watertight equipment housing.The BH5F provides a five-contact female interface for connection to the IL5M.The Standard Circular 2–5 pin bulkhead family uses a 7/16-20 UNF-2A mounting thread.The BH5F is normally supplied with approximately 0.3 meters of internal wire leads for connection to the electronics inside the equipment enclosure.When properly mated, the IL5M and BH5F provide a watertight five-contact electrical connection.

DC5M – 5-Pin Male Dummy Plug

The DC5M is the corresponding male protective dummy plug for the BH5F female bulkhead connector.When the IL5M electrical cable is disconnected, the DC5M can be installed to protect the exposed BH5F mating interface.The dummy plug is intended for environmental protection and does not serve as a functional electrical cable connector.

IL5F – 5-Pin Female Inline Connector

The IL5F is the female inline model within the same Standard Circular 5-pin family.For projects requiring male-to-female inline cable connections, the complete assembly and mating configuration should be confirmed using the appropriate technical drawing.

Typical Applications of IL5M

ROV Electrical Systems

Remotely operated vehicles frequently require multiple electrical connections for cameras, sensors, lighting systems, and auxiliary equipment.The IL5M provides five electrical circuits for suitable power and control applications.When paired with a BH5F bulkhead connector, it creates a reliable interface between external cables and internal ROV electronics.

AUV Instrumentation

Autonomous underwater vehicles often use multiple sensors and electronic modules requiring dependable underwater connections.The IL5M can support electrical interfaces for compatible underwater instrumentation.Its five-contact configuration provides additional wiring flexibility compared with lower-contact-count connectors.

Underwater Sensors

Many marine sensors use multiple conductors for power, grounding, control, and signal transmission.The IL5M may be suitable for appropriately rated underwater pressure sensors, temperature instruments, monitoring devices, and scientific equipment.The wiring arrangement must match the specific electrical requirements of the connected device.

Oceanographic Research Equipment

Marine research instruments may operate under demanding seawater and pressure conditions.The IL5M provides a practical underwater cable connector option for scientific instruments, environmental monitoring systems, and research platforms.

Underwater Cameras and Lighting

The IL5M can be integrated into suitable underwater imaging and lighting equipment requiring up to five electrical circuits.Power and signal assignments should be designed according to the connected equipment’s operating requirements.

Offshore Monitoring and Inspection

Offshore equipment often requires reliable, detachable electrical connections.The IL5M can support compatible monitoring, inspection, and control systems where a Standard Circular five-contact interface is required.

Installation and Handling Recommendations

Proper connector handling is essential for reliable underwater operation.

Confirm Connector Compatibility

Verify that the mating receptacle uses the corresponding Standard Circular five-contact female interface.Contact count alone does not establish mechanical compatibility.

Inspect Mating Surfaces

Check the connector for damaged contacts, contamination, scratches, or worn sealing surfaces.Clean the interface using the recommended maintenance procedure.

Avoid Live Mating

Electrical power should be isolated before connecting or disconnecting the IL5M.Wet-mateable capability does not automatically permit mating under electrical load.

Protect the Cable Transition

Avoid excessive bending, pulling, or twisting near the molded cable entry.Provide appropriate cable support when the assembly is exposed to repeated motion or mechanical loading.

Verify Pin Assignments

Check electrical continuity and the approved wiring arrangement before energizing the system.Incorrect electrical assignments can damage connected equipment even when the connector interfaces are mechanically compatible.

Confirm Pressure Requirements

The complete connector and cable assembly should be tested or qualified according to the intended underwater operating conditions.

Quality Control and Testing

HYSF SUBSEA manufactures underwater electrical connectors with attention to sealing performance, electrical reliability, and mechanical durability.Depending on the product and project requirements, quality control can include:

• Electrical continuity testing
• Insulation resistance testing
• Dielectric withstand testing
• Hydrostatic pressure testing
• Cable termination inspection
• Contact identification verification
• Visual inspection of sealing surfaces

Additional testing documentation can be arranged according to agreed project specifications.

Frequently Asked Questions

Q1: What does IL5M mean?

IL5M identifies a 5-pin male inline underwater connector in the HYSF Standard Circular series.IL indicates the inline cable configuration, 5 represents the number of contacts, and M indicates male contacts.

Q2: Which connector mates with IL5M?

The primary mating bulkhead connector is BH5F, a five-contact female bulkhead receptacle.

Q3: Is IL5M compatible with SubConn?

The IL5M is designed to be compatible with corresponding SubConn Standard Circular 5-pin connector interfaces.For replacement applications, the exact original connector series and model should be verified.

Q4: What is the rated current of IL5M?

The standard catalog current rating is 10A.The permissible operating current also depends on the conductor size, cable construction, and operating conditions.

Q5: What is the voltage rating?

The standard catalog voltage rating is 550V AC/DC.

Q6: What is the standard cable length?

The IL5M is normally supplied with approximately 1 meter of underwater cable.Other cable lengths can be specified for custom assemblies.

Q7: Can IL5M operate at 6,000 meters?

The HYSF Standard Circular connector family is designed for operating depths of up to 6,000 meters.The complete connector and cable assembly must be properly configured, mated, and qualified for the intended operating pressure.

Q8: Is IL5M wet-mateable?

Yes.The IL5M belongs to the wet-mateable Standard Circular connector family.It should be mated and unmated according to the applicable operating instructions, with electrical power isolated unless otherwise specifically qualified.

Q9: Is IL5M the same as MCIL5M?

No.IL5M belongs to the Standard Circular family, while MCIL5M belongs to the Micro Circular family.Their mating interfaces are different.

Q10: Which dummy plug protects BH5F?

The corresponding protective dummy plug is DC5M.It protects the BH5F female connector interface when the IL5M electrical cable is disconnected.

Q11: Can the cable length be customized?

Yes.HYSF SUBSEA can supply customized cable lengths and appropriate termination configurations according to project requirements.

Q12: Can IL5M transmit power and signals simultaneously?

The five contacts can be assigned to suitable power and signal circuits within the connector and cable’s electrical ratings.The wiring arrangement, signal integrity, and any interference requirements should be evaluated for the intended application.

Dependable Five-Contact Connectivity for Subsea Systems

The HYSF SUBSEA IL5M 5-Pin Male Inline Underwater Connector provides a reliable solution for underwater power and signal transmission.Its SubConn-compatible Standard Circular interface, five gold-plated male electrical contacts, standard 1-meter underwater cable, and 550V/10A electrical rating make it suitable for a wide range of subsea applications.When paired with the BH5F Female Bulkhead Connector, the IL5M creates a practical electrical connection for ROVs, AUVs, underwater sensors, oceanographic instruments, and offshore monitoring systems.With its durable molded construction and customizable cable options, the IL5M is a versatile component for professional underwater electrical installations.