IL3F 3-Pin Female Inline Underwater Connector

SubConn-Compatible 3-Pin Female Underwater Cable Connector for Deep-Sea Applications

Сайт HYSF SUBSEA IL3F 3-Pin Female Inline Underwater Connector is a high-performance watertight electrical connector designed for reliable power and signal transmission in demanding underwater environments.As part of the HYSF Standard Circular Watertight Connector Series, the IL3F features three female electrical contacts, gold-plated contact surfaces, and a durable molded connector body suitable for marine and subsea equipment.The connector provides a detachable electrical interface for remotely operated vehicles (ROVs), autonomous underwater vehicles (AUVs), underwater cameras, subsea sensors, marine instrumentation, offshore equipment, and underwater electrical cable assemblies.The IL3F is designed to mate with corresponding male Standard Circular connectors, including the IL3M male inline connector и BH3M male bulkhead connector.Its mating interface is designed for compatibility with corresponding SubConn, SEACON, and Burton Standard Circular connector configurations.This compatibility makes the IL3F a practical solution for new subsea equipment designs, replacement electrical connectors, and maintenance of existing marine systems.With a rated voltage of 550V AC/DC and a rated current of 10A, the IL3F is suitable for appropriately specified underwater electrical applications.The standard IL3F configuration includes a 1-meter cable, while customized cable lengths and assembly configurations can be manufactured for different installation requirements.

Key Features and Advantages

1. Three-Pin Female Electrical Interface

The IL3F features three female electrical contacts designed to mate with compatible three-pin male connectors.Its three-conductor configuration provides additional wiring flexibility compared with a two-pin electrical connector.Depending on the connected equipment, the three contacts may be assigned to suitable electrical functions such as:

• Positive power supply
• Negative or return conductor
• Control signal
• Sensor output
• Common reference connection
• Other application-specific electrical functions

For example, a three-wire underwater sensor may require separate conductors for supply voltage, ground, and signal output.The exact electrical assignments depend on the system design and must follow the relevant equipment wiring diagram.

2. SubConn-Compatible Standard Circular Design

The IL3F belongs to the HYSF Standard Circular underwater connector family.Its mating interface is designed to correspond with compatible SubConn, SEACON, and Burton Standard Circular connector systems.This allows the IL3F to be considered for replacement applications where an existing subsea system already uses compatible three-pin underwater electrical connectors.The exact connector series, contact arrangement, gender, and locking components should always be verified before installation.

3. High-Pressure Watertight Construction

The HYSF Standard Circular series is engineered for demanding marine environments where electrical connectors may experience prolonged immersion and significant hydrostatic pressure.The series is designed for pressure capability up to 60 MPa, corresponding to approximately 6,000 meters of seawater depth, when the complete connector assembly is appropriately configured and qualified.The connector’s molded construction helps protect its internal electrical termination from water ingress and environmental exposure.Actual operating depth depends on the specified connector, mating interface, cable construction, and installation conditions.

4. Gold-Plated Female Contacts

The IL3F uses gold-plated electrical contacts to support reliable conductivity and stable mating performance.Gold plating helps protect contact surfaces against corrosion and supports dependable electrical connections in challenging marine environments.For long-term reliability, the mating surfaces should be kept clean and protected when the connector is disconnected.

5. Durable Neoprene Connector Body

The Standard Circular series uses molded elastomeric connector construction, with neoprene used for the standard connector body.The molded design integrates the cable termination and connector interface into a watertight assembly.This construction is suitable for underwater electrical harnesses, marine instruments, and equipment requiring detachable subsea connections.

6. Wet-Mateable Connector Series

The IL3F belongs to a wet-mateable underwater connector series.The connector system is designed to support underwater mating and demating in accordance with the applicable operating procedures.However, wet-mateable does not automatically mean that the connector may be mated or disconnected while energized.Unless the specific assembly has been approved for energized mating, electrical power should be disconnected before connecting or separating the mating interfaces.

7. Standard 1-Meter Cable

The standard IL3F is supplied with a 1-meter cable.This configuration is suitable for a wide range of underwater equipment installations.The cable can be integrated into suitable ROV equipment harnesses, marine sensor assemblies, and other subsea electrical systems.

8. Customized Cable Assembly Options

HYSF SUBSEA supports customized cable configurations for different marine applications.Potential options include:

• Customized cable lengths
• Different conductor cross-sectional areas
• Alternative cable outer diameters
• Application-specific pin assignments
• Male-to-female connector cable assemblies
• Double-ended underwater cables
• Open-ended cable assemblies
• Customized subsea electrical harnesses

All custom configurations should be evaluated for electrical loading, cable flexibility, voltage drop, pressure resistance, and installation requirements.

IL3F Technical Specifications

Параметр	Технические характеристики
Brand	HYSF SUBSEA
Модель	IL3F
Серия продуктов	Standard Circular Watertight Connectors
Product Type	Female Inline Cable Connector
Количество контактов	3
Contact Gender	Female
Rated Voltage	550V AC/DC
Rated Current	10A
Contact Surface	Gold-Plated
Connector Body	Molded Neoprene
Standard Cable Length	1 Meter
Standard Wire Colors	Pin 1: Red; Pin 2: Black; Pin 3: Brown
Depth Capability	Up to 6,000 m for Qualified Assemblies
Pressure Capability	Up to 60 MPa for Qualified Assemblies
Mating Design	Wet-Mateable Series
Compatible Male Inline Connector	IL3M
Compatible Male Bulkhead Connector	BH3M
Compatible Protective Dummy Plug	DC3M
Brand Compatibility	Corresponding SubConn, SEACON, and Burton Standard Circular Interfaces
Customization	Available
Типовые применения	ROVs, AUVs, Sensors, Cameras, Offshore Equipment, Marine Instruments

Technical Note: The 7/16-20 UNF-2A mounting thread specified for the Standard 2–5 Pin connector family refers to the corresponding bulkhead installation interface. The IL3F is an inline cable connector and does not require a panel mounting hole.

IL3F Standard Wiring Configuration

The HYSF Standard 3-Pin series uses the following default conductor colors:

Pin Number	Wire Color
Pin 1	Red
Pin 2	Black
Pin 3	Brown

This standard color arrangement makes the individual conductors easier to identify during installation, electrical testing, and equipment maintenance.For example, in a suitable three-wire sensor system, the conductors could be assigned to:

• Positive supply voltage
• Ground or return connection
• Sensor output signal

These are example functions only.The color arrangement does not establish a mandatory electrical pinout.The actual wiring assignment must follow the electrical design of the connected device.For customized cable assemblies, alternative wire colors or pin assignments may be specified.

Compatible Connectors and Accessories

Correct mating compatibility is essential for maintaining reliable electrical connections and watertight performance.

IL3M – 3-Pin Male Inline Underwater Connector

Сайт IL3M is the corresponding male inline connector in the HYSF Standard Circular series.An IL3F and IL3M combination provides a detachable cable-to-cable electrical connection.This arrangement is useful for modular marine equipment, replaceable subsea sensor cables, underwater instrumentation, and other applications requiring a serviceable cable connection.

BH3M – 3-Pin Male Bulkhead Underwater Connector

Сайт BH3M is the corresponding male bulkhead connector.It can be installed in a properly designed underwater equipment housing or pressure enclosure.The IL3F mates with the external interface of the BH3M, providing a detachable electrical connection between the underwater cable and the equipment’s internal wiring.This arrangement is commonly suitable for ROV electronics housings, underwater cameras, subsea monitoring instruments, and marine junction boxes.

DC3M – 3-Pin Male Dummy Plug

Сайт DC3M is the corresponding male protective dummy plug for the IL3F female mating interface.When the IL3F is disconnected, the DC3M can help protect its contact cavities from contamination and accidental mechanical damage.The DC3M is a protective accessory and does not provide electrical power or signal transmission.

Typical Underwater Applications

Remotely Operated Vehicles

ROVs frequently require detachable electrical connections between onboard systems and external equipment.The IL3F can be used in suitable three-conductor circuits for underwater sensors, auxiliary devices, and control equipment.Its standardized mating interface supports equipment servicing and replacement.

Autonomous Underwater Vehicles

AUV platforms often use modular electrical connections to support different payloads and instruments.The IL3F provides a three-pin female cable interface for compatible underwater equipment.Its detachable construction helps simplify maintenance and equipment integration.

Underwater Sensors

Many underwater sensors require three electrical conductors.For example, a sensor may use separate connections for power supply, ground, and analog output.The IL3F can be incorporated into suitable sensor cable assemblies where the electrical requirements are within the connector’s rated limits.

Underwater Cameras

Underwater camera equipment may require power or control connections through a watertight electrical interface.The IL3F can be used for compatible three-wire electrical circuits in camera systems and related marine imaging equipment.A corresponding BH3M bulkhead connector can provide the panel-mounted interface on the camera housing.

Marine Lighting Equipment

Marine lighting systems may require detachable electrical connections for power and control functions.The IL3F can support suitable three-conductor circuits when the operating voltage, current, and wiring requirements are compatible.

Oceanographic Instrumentation

Oceanographic research systems often use underwater sensors and monitoring devices that must operate for extended periods.The IL3F provides a standardized cable connection option for appropriate marine instrumentation.

Offshore Electrical Equipment

Offshore equipment may experience prolonged exposure to seawater, vibration, and demanding handling conditions.The IL3F can be incorporated into suitable subsea cable assemblies for offshore monitoring, equipment servicing, and electrical interconnection.

Why Choose the HYSF IL3F Connector?

Standardized Compatibility

The IL3F is designed for corresponding Standard Circular connector interfaces, supporting integration with compatible existing subsea systems.

Flexible Three-Conductor Design

Three electrical contacts provide wiring flexibility for suitable power, signal, and control applications.

Deepwater Engineering

The Standard Circular series is developed for high-pressure underwater environments, with deployment capability dependent on the complete specified assembly.

Custom Cable Options

Different cable lengths and configurations allow the connector to be adapted to project-specific installation requirements.

Convenient Maintenance

A detachable connector interface allows underwater equipment and cable assemblies to be serviced or replaced without permanently joining the electrical wiring.

Installation and Maintenance Recommendations

Correct handling and installation are essential for maintaining connector performance.Before mating the IL3F:

1. Confirm that the mating connector is a compatible three-pin male Standard Circular model.
2. Inspect the female contact cavities for dirt, sand, or foreign material.
3. Check the connector body for cracks, cuts, or visible damage.
4. Verify that the electrical system is switched off.
5. Align the connector interfaces according to their mating orientation.
6. Insert the mating connector carefully without excessive force.
7. Secure the connection using the appropriate locking arrangement.
8. Verify the electrical wiring before energizing the system.

Do not attempt to mate incompatible connector models.Avoid twisting or pulling directly on the cable jacket during disconnection.After use, clean exposed connector surfaces according to the manufacturer’s maintenance recommendations.When the IL3F is disconnected, use a compatible DC3M protective dummy plug to help protect the female mating interface.Before deepwater deployment, verify that the complete connector, cable, bulkhead, and sealing arrangement are appropriate for the required operating pressure.

Frequently Asked Questions

What is the IL3F underwater connector?

The IL3F is a three-pin female inline underwater electrical connector belonging to the HYSF Standard Circular series.It is designed to provide a detachable electrical interface for suitable underwater power and signal applications.

What does IL3F mean?

“IL” identifies the inline cable connector configuration, “3” indicates three electrical contacts, and “F” identifies the female contact gender.

Is IL3F compatible with SubConn connectors?

Yes. The HYSF IL3F is designed for compatibility with corresponding SubConn Standard Circular connector interfaces.The exact mating model should be verified before installation.

Which connectors mate with IL3F?

The primary corresponding HYSF mating models are IL3M и BH3M.

What is the standard cable length?

The standard IL3F includes a 1-meter cable.Customized cable lengths can be manufactured for different applications.

What is the current rating of IL3F?

The catalog current rating is 10A.The complete electrical design must also consider conductor size, cable specifications, and operating conditions.

What is the rated voltage?

The listed voltage rating is 550V AC/DC, subject to the specified connector assembly and operating conditions.

Can IL3F be used at 6,000 meters underwater?

The HYSF Standard Circular series is designed for high-pressure subsea applications up to 6,000 meters (60 MPa).The specific connector and cable assembly must be appropriately configured and qualified for the intended depth.

Can IL3F be connected underwater?

The IL3F belongs to a wet-mateable connector series.Electrical power should be disconnected before mating or demating unless the assembly has been specifically approved for energized operation.

What are the standard wire colors?

The standard wiring colors are:

• Pin 1: Red
• Pin 2: Black
• Pin 3: Brown

Which dummy plug protects IL3F?

The corresponding protective accessory is the DC3M 3-Pin Male Dummy Plug.

Is IL3F the same as MCIL3F?

No.IL3F belongs to the Standard Circular series, while MCIL3F belongs to the Micro Circular series.These connector families have different mating interfaces and should not be considered interchangeable.

Заключение

Сайт HYSF SUBSEA IL3F 3-Pin Female Inline Underwater Connector provides a dependable three-conductor electrical connection for demanding marine and subsea environments.Featuring a standardized SubConn-compatible mating interface, gold-plated female contacts, molded watertight construction, and a standard 1-meter cable, the IL3F is suitable for a wide range of underwater equipment applications.Its compatibility with IL3M male inline connectors, BH3M male bulkhead connectors, and DC3M protective dummy plugs makes it a practical choice for ROVs, AUVs, marine sensors, underwater cameras, offshore equipment, and oceanographic instrumentation.