MCIL8M 8-Pin Male Inline Underwater Connector – SubConn-Compatible Micro Circular | HYSF SUBSEA

MCIL8M 8-Pin Male Inline Underwater Connector – SubConn-Compatible Micro Circular Connector

The HYSF SUBSEA MCIL8M 8-Pin Male Inline Underwater Connector is a compact, high-performance, wet-mateable electrical connector designed for reliable power and signal transmission in demanding marine and subsea environments. Featuring eight male electrical contacts within a miniature circular housing, the MCIL8M provides an efficient underwater connection solution for applications requiring multiple electrical circuits in limited installation space.Manufactured by HYSF SUBSEA, the MCIL8M is suitable for remotely operated vehicles (ROVs), autonomous underwater vehicles (AUVs), underwater cameras, subsea sensors, oceanographic instruments, marine monitoring systems, and offshore engineering equipment.The connector is designed for underwater applications up to 6,000 meters (60 MPa) when used in a correctly configured and qualified mating assembly. Its wet-mateable interface supports underwater connection and disconnection when the appropriate operating and safety procedures are followed.The MCIL8M is designed to mate with corresponding 8-pin female Micro Circular underwater connectors, including the MCBH8F female bulkhead connector and MCIL8F female inline connector.The connector is also designed for mating compatibility with corresponding MacArtney SubConn and SEACON Micro Circular interfaces, making it a practical alternative for underwater equipment manufacturers and subsea system integrators.

Key Features and Benefits

1. Compact 8-Pin Micro Circular Design

The MCIL8M features eight male electrical contacts arranged within a compact Micro Circular housing.This configuration provides higher contact density than the 2-pin, 3-pin, 4-pin, 5-pin, and 6-pin variants in the same Micro Circular series.Its compact structure is especially beneficial for underwater equipment where space and weight are important considerations.The eight-contact arrangement enables multiple suitable electrical circuits to be combined into a single underwater connection, reducing the need for additional connectors.Typical applications include ROV sensor systems, AUV instrumentation, underwater cameras, marine monitoring equipment, and subsea control modules.

2. SubConn-Compatible Underwater Connector

The HYSF SUBSEA MCIL8M is designed for mating compatibility with corresponding SubConn Micro Circular 8-pin female connector interfaces.This compatibility allows customers to consider HYSF products for replacement applications, equipment maintenance, and new underwater system designs.The connector is also designed for use with corresponding SEACON-style Micro Circular interfaces, subject to verification of the exact mating configuration.HYSF SUBSEA manufactures compatible underwater connectors independently. The MCIL8M is not an original MacArtney SubConn or SEACON-branded product.

3. Wet-Mateable Underwater Connection

The MCIL8M belongs to the HYSF SUBSEA wet-mateable Micro Circular connector series.Wet-mateable connectors are designed to support mating and unmating in underwater environments when operated according to the specified procedures.This capability is particularly useful for modular underwater equipment, subsea sensor replacement, ROV maintenance, and marine instrumentation systems.Electrical circuits should be de-energized before mating or unmating unless a specific live-mating procedure and rating have been approved.

4. Deepwater Pressure Resistance

The HYSF SUBSEA Micro Circular connector series is designed for underwater applications up to 6,000 meters, corresponding to approximately 60 MPa of hydrostatic pressure.When paired with a compatible female connector and correctly secured, the MCIL8M provides a suitable electrical interface for deepwater applications.The pressure capability of the complete assembly depends on the connector configuration, cable termination, mating interface, and installation conditions.

5. Durable Marine-Resistant Construction

The MCIL8M features a protective molded connector body designed for marine environments.Its molded construction helps protect the cable termination area and provides mechanical support between the connector and cable.Gold-plated male electrical contacts support stable electrical performance and help resist contact-surface corrosion during normal service.The compact construction is suitable for equipment that undergoes repeated handling during deployment, inspection, maintenance, and recovery.

6. Eight Electrical Contacts for Power and Signals

The MCIL8M provides eight electrical contacts for applications requiring multiple low-power or signal circuits.The standard HYSF SUBSEA Micro Circular 8-pin series has a nominal current rating of 5 A per contact, subject to the selected cable and operating conditions.The eight contacts may be assigned to suitable sensor power, control signals, instrumentation circuits, or communication interfaces.Wiring assignments should always be verified against the approved pinout drawing before production.

技術仕様

パラメータ	仕様
Manufacturer	HYSF SUBSEA
Model Number	MCIL8M
Product Type	Underwater Inline Cable Connector
Connector Series	Micro Circular
コンタクト数	8-Pin
Contact Gender	Male
Compatible Connector Gender	Female
Compatible HYSF Models	MCBH8F, MCIL8F
Protective Dummy Connector	MCDC8F
SubConn Compatibility	Micro Circular 8-Pin Female Interface
Mating Type	Wet-Mateable
Standard Cable Length	1 Meter
Custom Cable Length	Available Upon Request
Contact Material	Gold-Plated Metal Contacts
Rated Current	5 A per Contact, Standard Series
Operating Depth	Up to 6,000 Meters
Pressure Rating	Up to 60 MPa
Waterproof Design	IP68, When Correctly Mated
Primary Function	Underwater Power and Signal Transmission
Typical Applications	ROV, AUV, Sensors, Cameras, Marine Instrumentation

Technical Note: Electrical ratings, cable specifications, wiring arrangements, and pressure performance should be verified against the approved product configuration and technical drawing before ordering.

Compatible Underwater Connectors

The MCIL8M is designed for use with corresponding 8-pin female Micro Circular underwater connectors.

MCBH8F – 8-Pin Female Bulkhead Connector

The HYSF MCBH8F is a female bulkhead-mounted underwater connector commonly installed on pressure housings, subsea junction boxes, underwater camera systems, and marine electronic enclosures.When paired with the MCIL8M male inline connector, it provides a detachable electrical interface between an external underwater cable assembly and equipment-mounted electronics.Typical applications include:

• ROV electrical systems
• Underwater camera housings
• AUV sensor modules
• Subsea junction boxes
• Marine monitoring equipment
• Oceanographic instruments

MCIL8F – 8-Pin Female Inline Connector

The HYSF MCIL8F is a female inline underwater cable connector designed to mate with the MCIL8M.Together, these connectors can form detachable underwater cable-to-cable assemblies.This configuration is suitable for subsea cable extensions, modular underwater equipment, instrumentation connections, and applications requiring removable cable sections.

MCDC8F – Female Protective Dummy Plug

The HYSF MCDC8F is a female dummy connector designed to protect compatible 8-pin male Micro Circular mating interfaces.When the MCIL8M is disconnected from its working female connector, the MCDC8F can help protect its exposed male contacts against contamination and mechanical damage.This is particularly useful during transportation, storage, equipment maintenance, and deployment preparation.

Typical Applications of the MCIL8M Underwater Connector

1. Remotely Operated Vehicles (ROVs)

ROVs require reliable underwater electrical connections for cameras, sensors, navigation equipment, lighting, control circuits, and auxiliary systems.The MCIL8M provides eight contacts within a compact connector, allowing multiple suitable electrical functions to share one underwater interface.Its miniature construction makes it especially useful for observation-class ROVs and compact underwater robotic platforms.

2. Autonomous Underwater Vehicles (AUVs)

AUVs frequently incorporate environmental sensors, navigation instruments, monitoring electronics, and communication equipment within limited installation space.The MCIL8M provides a compact underwater cable interface suitable for compatible electrical modules.Its eight-contact configuration can reduce the number of separate connectors required for suitable multi-circuit applications.

3. Underwater Cameras and Imaging Systems

Underwater imaging equipment often requires connections for electrical power, control signals, and auxiliary functions.The MCIL8M can be incorporated into suitable cable assemblies connecting underwater cameras and observation systems to their control electronics.The electrical configuration must be selected according to the voltage, current, and signal requirements of the connected equipment.

4. Oceanographic Research Equipment

Oceanographic instruments operate in demanding marine environments where dependable electrical connections are important.The MCIL8M is suitable for applications involving environmental monitoring sensors, underwater data loggers, marine research platforms, and oceanographic instruments.Its compact design is particularly beneficial for equipment where installation space is restricted.

5. Subsea Junction Boxes and Instrumentation

Subsea junction boxes distribute electrical power and signals between underwater devices.The MCIL8M can provide a detachable connection to compatible female interfaces, supporting modular underwater system designs.This can simplify cable replacement and maintenance when equipment modules require servicing.

Underwater Communication and Signal Applications

The MCIL8M provides eight electrical contacts that may be used for suitable communication and control circuits.Depending on the cable configuration, applications may include:

• Low-voltage sensor signals
• Digital control circuits
• Serial communication interfaces
• Instrumentation connections
• Suitable Ethernet communication systems
• Combined low-power and signal circuits

However, communication performance depends on more than connector contact count.For example, 100BASE-TX Ethernet requires two properly arranged twisted pairs, while 1000BASE-T requires four suitable twisted pairs and a qualified transmission path.Customers requiring Ethernet communication should specify the desired data rate, cable construction, shielding, pair assignments, and cable length.The standard MCIL8M should not be assumed to provide a particular Ethernet data rate without verification of the complete cable assembly and system requirements.

Cable Length and Customization Options

The standard HYSF SUBSEA MCIL8M inline underwater connector is normally supplied with a 1-meter cable.Other cable lengths may be specified according to customer requirements.Common configurations include:

• MCIL8M with 1-meter cable
• MCIL8M with 2-meter cable
• MCIL8M with 3-meter cable
• MCIL8M with 5-meter cable
• MCIL8M with 10-meter cable
• Customized underwater cable assemblies

HYSF SUBSEA can review project-specific requirements for:

• Cable outer diameter
• Conductor cross-sectional area
• Cable jacket material
• Cable flexibility
• Shielding arrangements
• Wiring assignments and pin configuration
• Connector-to-connector cable assemblies
• Custom cable lengths for OEM applications

For example, the MCIL8M can be incorporated into a customized underwater cable assembly with an MCIL8F female connector at the opposite end.Cable specifications should be selected according to the electrical load, signal requirements, operating pressure, and installation conditions.

Installation and Mating Recommendations

Proper installation is essential for reliable underwater connector performance.Step 1: Confirm Connector CompatibilityVerify that the mating connector is a compatible 8-pin female Micro Circular connector.Step 2: Inspect the Connector InterfaceCheck the male electrical contacts, molded body, and mating surfaces for visible damage or contamination.Step 3: Verify the Wiring ConfigurationConfirm the pin numbering, conductor assignments, and electrical requirements using the approved wiring diagram.Step 4: Follow Approved Mating ProceduresAlign the connector correctly and follow the applicable cleaning, lubrication, and mating instructions.Do not force the connector into position.Step 5: Secure the ConnectionUse the appropriate Micro Circular locking sleeve or specified retention accessory.Secure mechanical retention is important for underwater applications involving vibration, movement, and handling loads.Step 6: Protect Disconnected ConnectorsWhen the MCIL8M is not connected to its mating female connector, a compatible protective dummy plug such as the MCDC8F should be used where required.

Why Choose HYSF SUBSEA?

HYSF SUBSEA specializes in manufacturing underwater electrical connectors, subsea cable assemblies, bulkhead connectors, and customized marine interconnection solutions.Our Micro Circular underwater connector series supports applications requiring compact dimensions, reliable electrical connections, and high-pressure resistance.Our capabilities include:

• SubConn-compatible Micro Circular connectors
• Male and female underwater inline connectors
• Underwater bulkhead connectors
• Custom cable lengths and wiring configurations
• Waterproof cable assemblies for ROV and AUV systems
• Connector locking sleeves and protective dummy plugs
• OEM and ODM underwater connector manufacturing
• Hydrostatic pressure testing and quality inspection
• Technical assistance with underwater connector selection

HYSF SUBSEA supports underwater equipment manufacturers, marine engineering companies, ROV developers, AUV manufacturers, and oceanographic research organizations.

Frequently Asked Questions (FAQ)

Q1: What is the MCIL8M underwater connector?

The MCIL8M is an 8-pin male inline underwater electrical connector from the HYSF SUBSEA Micro Circular series.It is designed for detachable underwater power and signal connections in marine and subsea applications.

Q2: Is the MCIL8M compatible with SubConn connectors?

Yes. The HYSF SUBSEA MCIL8M is designed for compatibility with corresponding SubConn Micro Circular 8-pin female connector interfaces.Customers should verify the exact mating configuration before installation.

Q3: Which connectors can mate with MCIL8M?

The MCIL8M is designed to mate with compatible 8-pin female Micro Circular connectors, including the HYSF MCBH8F female bulkhead connector and MCIL8F female inline connector.

Q4: Is the MCIL8M wet-mateable?

Yes. The MCIL8M belongs to the HYSF SUBSEA wet-mateable Micro Circular connector series.Underwater mating and unmating should follow the specified operating procedures and electrical safety requirements.

Q5: What is the standard cable length?

The standard MCIL8M inline connector is normally supplied with a 1-meter cable.Other cable lengths may be specified according to project requ