MCIL4M is a miniature 4-pin male inline underwater connector from
HYSF SUBSEA, designed for power and signal connections in compact subsea equipment. Its four-contact male interface supports detachable cable assemblies for ROVs, AUVs, underwater sensors, marine robotics, and oceanographic instruments.This 4-core male underwater cable connector combines a neoprene body with gold-plated copper contacts. Its inline configuration allows the cable connection to be positioned along a harness or at an equipment interface. With a compatible female connector, MCIL4M can be integrated into cable-to-cable or cable-to-bulkhead assemblies.MCIL4M has a published electrical rating of 550 V at 10 A and a pressure rating of 60 MPa, corresponding to the manufacturer’s listed working depth of 6000 m. The miniature four-contact format is suitable for projects that require a removable subsea electrical connection within a limited installation space.
MCIL4M Male Inline Connector Features
- Miniature circular connector with four male contacts
- Inline cable design for subsea power and signal connections
- Neoprene body and gold-plated copper contacts
- Wet-mating capability with more than 500 specified mating cycles
- Polyurethane or neoprene cable jacket options
- Custom cable lengths available for equipment integration
MCIL4M Technical Specifications
| Model | MCIL4M |
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| Brand | HYSF SUBSEA |
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| Product Type | Miniature male inline underwater cable connector |
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| Contact Count | 4 pins / 4 cores |
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| Connector Gender | Male |
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| Serie | Miniature Circular Series |
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| Elektrisk klassifisering | 550 V @ 10 A |
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| Insulation Resistance | > 200 MΩ |
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| Contact Resistance | < 0.01 Ω |
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| Wet Mate / Unmate Durability | > 500 cycles |
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| Operating Temperature | -60°C to +80°C |
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| Published Working Depth | 6000 m |
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| Pressure Rating | 60 MPa |
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| Connector Body | Neoprene |
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| Contact Material | Gold-plated copper |
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| Cable Jacket Options | Polyurethane or neoprene |
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| Cable Core Identification | Contact 1: Red; Contact 2: Black; Contact 3: Brown; Contact 4: Blue |
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| Cable Length | Custom lengths available on request |
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Applications for the MCIL4M Underwater Cable Connector
MCIL4M can be used in ROV electrical harnesses, AUV sensor assemblies, underwater monitoring systems, and marine scientific equipment. The detachable interface allows connected components to be separated for equipment assembly and servicing. Cable routing, electrical loads, and contact assignments should be defined when selecting the complete connector assembly.
Related Products and Mating Options
Related HYSF SUBSEA female connector models for MCIL4M assembly planning include:
- MCIL4F: Miniature 4-pin female inline underwater cable connector for cable-to-cable arrangements.
- MCBH4F: Miniature 4-pin female bulkhead underwater connector for cable-to-housing arrangements.
Confirm the mating interface, contact assignment, and installation configuration before ordering.
MCIL4M Customization and Ordering Information
For an MCIL4M quotation, provide the required cable length, preferred cable jacket material, mating connector model, termination details, and quantity. Include the operating depth, voltage, current, and signal requirements so the proposed assembly can be reviewed for your equipment. A wiring diagram or cable assembly drawing can help define the required contact assignments.
MCIL4M FAQ
Is MCIL4M a male or female connector?
MCIL4M is a male inline underwater cable connector with four contacts.
Can MCIL4M connect a cable to an underwater housing?
Yes, when used with a compatible female bulkhead connector. Confirm the mating model and housing interface as part of the assembly specification.
Can MCIL4M be supplied with a custom cable length?
Yes. HYSF SUBSEA offers custom cable lengths. Specify the jacket material, termination requirements, and intended operating conditions when requesting a quotation.
