IL2M 2-Pin Male Inline Underwater Connector

Reliable SubConn-Compatible Electrical Connection for Deep-Sea Applications

Les HYSF SUBSEA IL2M 2-Pin Male Inline Underwater Connector is a high-performance subsea electrical connector designed to provide reliable power and signal connections in demanding underwater environments. As part of the HYSF Standard Circular Connector Series, the IL2M combines a robust two-contact interface, watertight construction, and flexible cable integration for marine engineering, underwater robotics, offshore equipment, and oceanographic instrumentation.Featuring two male electrical contacts, the IL2M is designed to mate with compatible female connectors, including the HYSF IL2F female inline connector and BH2F female bulkhead connector.Its standard configuration includes a 1-meter cable, allowing convenient integration into subsea electrical assemblies. Customized cable lengths and configurations can also be manufactured to meet different installation requirements.The IL2M is designed to be compatible with corresponding SubConn, SEACON, and Burton Standard Circular connector interfaces, providing a practical alternative for new underwater systems and replacement connector applications.With a catalog current rating of 10A and a product-listed voltage rating of 550V AC/DC, the IL2M supports a wide range of suitable low- and moderate-power electrical applications, subject to cable selection and complete system design.

Key Features and Advantages

1. Two-Pin Male Electrical Interface

The IL2M features a two-contact male connector interface suitable for transmitting electrical power or simple signals between underwater devices.Its two-conductor arrangement is particularly useful for applications requiring a positive and negative power connection, basic sensor wiring, or other two-wire circuits.

2. SubConn-Compatible Standard Circular Design

The HYSF IL2M follows the mating interface of the corresponding Standard Circular connector family.It is designed for interchangeability with compatible SubConn, SEACON, and Burton connector models, helping equipment manufacturers maintain existing subsea equipment without redesigning every electrical interface.Compatibility should always be verified against the mating connector’s exact model, contact arrangement, locking hardware, and configuration before deployment.

3. Deep-Sea Watertight Performance

The HYSF Standard Watertight Connector Series is engineered for high-pressure underwater applications.The series supports operating depths of up to 6,000 meters (60 MPa) in appropriately configured and qualified assemblies.The connector’s molded construction helps protect the electrical termination from moisture and mechanical stress.Actual operational depth depends on the specified connector assembly, cable construction, mating configuration, and installation conditions.

4. Gold-Plated Electrical Contacts

The IL2M uses gold-plated electrical contacts to support dependable conductivity and corrosion-resistant contact surfaces.Gold plating helps maintain stable electrical connections in challenging marine environments, where contact integrity is essential for continuous equipment operation.The mating interface should be kept clean and protected whenever disconnected.

5. Molded Cable Construction

The connector is manufactured using a molded elastomeric design intended for underwater electrical applications.Its integrated cable termination provides a compact connection between the connector body and attached cable.This construction is suitable for permanently installed cables, subsea equipment harnesses, and field-replaceable cable assemblies.

6. Wet-Mateable Connector System

The Standard Circular series is designed for underwater mating and demating in accordance with the manufacturer’s operating procedures.However, wet-mateable does not mean that the connector should be connected or disconnected while electrical power is applied.Unless a specific energized-mating capability has been approved, disconnect electrical power before mating or demating the connector.

7. Flexible Cable Customization

The standard IL2M includes a 1-meter cable.Other configurations may be available, including:

• Customized cable lengths
• Alternative cable conductor sizes
• Different cable outer diameters
• Application-specific wiring assignments
• Male-to-female cable assemblies
• Cable assemblies with open-ended wires
• Customized subsea electrical harnesses

Final cable selection should consider conductor current capacity, voltage drop, bending requirements, operating pressure, and installation conditions.

IL2M Technical Specifications

Paramètres	Specification
Brand	HYSF SUBSEA
Model	IL2M
Série de produits	Standard Circular Watertight Connectors
Type de connecteur	Inline Cable Connector
Gender	Male
Nombre de contacts	2 Pins
Rated Current	10A
Listed Voltage Rating	550V AC/DC
Contact Material	Gold-Plated Metal Contacts
Connector Construction	Molded Watertight Design
Standard Cable Length	1 Meter
Standard Wire Color	Pin 1: Red; Pin 2: Black
Depth Capability	Up to 6,000 m for appropriately qualified assemblies
Mating Type	Wet-Mateable Series
Compatible Female Inline Model	IL2F
Compatible Female Bulkhead Model	BH2F
Compatible Protective Dummy Plug	DC2F
Compatibility	Corresponding SubConn, SEACON, and Burton Standard Circular Interfaces
Cable Customization	Available
Applications typiques	ROVs, AUVs, Underwater Sensors, Marine Equipment, Subsea Power Connections

Technical note: Electrical ratings, sealing capability, and pressure performance must be confirmed for the complete connector and cable assembly. The 7/16-20 UNF-2A mounting thread listed for this connector family relates to the associated bulkhead installation interface, not an IL2M inline panel-mounting feature.

Standard Cable Wiring Configuration

The HYSF Standard 2-Pin series uses the following default conductor color identification:

Pin Number	Wire Color
Pin 1	Red
Pin 2	Black

This wiring arrangement simplifies the identification of two electrical circuits during equipment assembly.For example, in a suitable DC power system, the red conductor may be assigned to the positive supply and the black conductor to the return or negative supply.These functional assignments are examples only. The actual electrical polarity and pinout must follow the system wiring diagram.For customized cable assemblies, alternative wiring arrangements may be specified.

Compatible Mating Connectors and Accessories

Selecting the correct mating connector is essential for maintaining mechanical compatibility and underwater sealing.

IL2F – 2-Pin Female Inline Connector

The IL2F is the corresponding female cable connector.An IL2M and IL2F combination can be used to create a detachable underwater cable-to-cable connection.This arrangement is useful for modular subsea equipment, serviceable sensor cables, and replaceable electrical harnesses.

BH2F – 2-Pin Female Bulkhead Connector

The BH2F is a corresponding female panel-mount bulkhead connector.When the BH2F is installed in a properly designed pressure housing or underwater enclosure, the IL2M can provide the external cable connection.This combination is commonly considered for underwater instruments, electronics enclosures, marine cameras, and subsea control systems.

DC2F – 2-Pin Female Dummy Plug

The DC2F is the corresponding female protective dummy plug for the exposed male mating interface of the IL2M.A dummy plug helps protect connector contacts when the cable is disconnected and stored or deployed in an approved configuration.The DC2F is a protective accessory, not an electrical connector for transmitting power or signals.

Typical Underwater Applications

Remotely Operated Vehicles (ROVs)

ROVs frequently require detachable electrical connections between external equipment and the vehicle electrical system.The IL2M can be used in suitable two-conductor circuits associated with auxiliary equipment, low-power devices, or simple sensors.Its detachable interface supports easier equipment replacement and cable servicing.

Autonomous Underwater Vehicles (AUVs)

AUV platforms benefit from modular electrical interfaces that allow equipment to be installed, replaced, or serviced without permanently altering the vehicle wiring.The IL2M provides a two-pin cable interface for compatible onboard or externally mounted subsea devices.

Underwater Sensors

Many underwater sensors use simple two-wire electrical configurations.The IL2M can be integrated into sensor cable assemblies used for environmental monitoring, pressure measurement, temperature measurement, and other marine instrumentation.The required electrical interface must be checked for compatibility with the sensor’s power and signal characteristics.

Subsea Cameras and Marine Lighting

Underwater cameras, observation systems, and compact marine lighting equipment often require dependable electrical connections.The IL2M may be suitable for compatible two-wire power circuits within its rated electrical limits.Current consumption, supply voltage, cable losses, and connector heating must be evaluated during system design.

Oceanographic Research Equipment

Oceanographic instruments are often deployed for extended periods in challenging marine environments.A standardized connector interface helps simplify maintenance and replacement of underwater equipment.The IL2M can be used in appropriate monitoring platforms, research instruments, and other subsea electrical assemblies.

Offshore and Marine Engineering

Offshore equipment may operate under sustained water exposure, vibration, and mechanical handling.The HYSF Standard Circular series provides an established connector format for subsea cable systems and marine equipment requiring reliable detachable electrical interfaces.

Why Choose the HYSF IL2M Standard Connector?

The IL2M offers several practical advantages for subsea equipment designers and maintenance teams.Standardized compatibility: Its corresponding Standard Circular mating interface supports integration with compatible established subsea connector systems.Two-contact simplicity: The connector provides a straightforward interface for suitable two-wire electrical applications without unnecessary additional contacts.Flexible cable configurations: Standard and customized cable assemblies allow the product to be adapted to different equipment layouts.Deepwater engineering: The Standard Circular family is developed for demanding subsea operating environments, with pressure capability dependent on the specified assembly.Maintenance convenience: A detachable connector arrangement allows suitable equipment and cable assemblies to be replaced more easily than permanently joined wiring.These advantages make the IL2M useful for both new subsea equipment designs and maintenance of existing marine systems.

Installation and Maintenance Recommendations

Correct installation is important for maintaining connector performance.Before mating the IL2M:

1. Confirm that the mating connector is a compatible two-pin female Standard Circular model.
2. Inspect both mating faces for dirt, sand, damage, or foreign material.
3. Check the condition of sealing surfaces and relevant locking hardware.
4. Verify that the electrical system is switched off.
5. Align the connector interfaces according to their mechanical orientation.
6. Mate the connectors without excessive force.
7. Secure the connection using the appropriate locking arrangement.

Do not force an incompatible connector into the mating interface.Avoid pulling the cable directly to disconnect the connector, as excessive force may damage the cable termination.After use, rinse exposed connector surfaces with clean freshwater when appropriate, remove contamination, and inspect the connector before storage.When the IL2M is disconnected, a compatible DC2F protective dummy plug can help protect the male mating face.For long-term deployments, ensure that the complete connector assembly, cable, bulkhead seal, and enclosure are suitable for the intended pressure and environmental conditions.

Frequently Asked Questions

What does IL2M mean?

IL2M identifies the Standard Circular 2-pin male inline cable connector.“IL” refers to the inline connector configuration, “2” indicates two electrical contacts, and “M” identifies the male contact gender.

Is IL2M compatible with SubConn connectors?

The HYSF IL2M is designed for compatibility with corresponding SubConn Standard Circular interfaces.The exact mating model and assembly configuration should be checked before use.

Which HYSF connectors mate with IL2M?

The primary corresponding female connectors are IL2F and BH2F.Other female configurations within the same compatible Standard Circular family may also be suitable, subject to interface verification.

What is the standard cable length?

The standard IL2M cable length is 1 meter.Customized lengths can be specified for different applications.

What is the current rating of IL2M?

The HYSF Standard 2-Pin catalog lists a 10A rated current.The allowable operating current must also consider cable conductor size, installation conditions, and the complete electrical design.

Can IL2M be used underwater?

Yes. It belongs to HYSF SUBSEA’s watertight Standard Circular connector series and is designed for subsea applications.The required water-depth rating must be verified for the complete connector assembly.

Can the IL2M be connected underwater?

The Standard Circular series supports wet mating under the applicable operating procedures.Electrical power should be disconnected before mating or demating unless the specific assembly has been separately approved for energized operation.

Which dummy plug protects the IL2M?

Les DC2F female dummy plug is the corresponding protective accessory for the IL2M male interface.

Is IL2M the same as MCIL2M?

No. The IL2M belongs to the Standard Circular series, while the MCIL2M belongs to the Micro Circular series.These are different connector families and should not be treated as interchangeable.

IL2M Subsea Connector Summary

Les HYSF SUBSEA IL2M 2-Pin Male Inline Underwater Connector is designed for dependable electrical connections in subsea equipment requiring a two-pin male cable interface.Its Standard Circular configuration, SubConn-compatible mating design, gold-plated contacts, standard 1-meter cable, and flexible customization options make it suitable for a wide range of marine applications.When combined with the appropriate female connector and properly specified cable assembly, the IL2M provides a practical solution for underwater power distribution, marine instrumentation, ROV and AUV systems, and offshore electrical equipment.