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SKU: 

HYSF-MCIL-4F

HYSF MCIL4F Miniature Circular 4-Pin Female Inline Underwater Connector

The HYSF MCIL4F is a miniature 4-core female inline watertight connector designed for high-performance underwater applications. Optimized for robust multi-signal and power transmission in compact setups including micro-ROVs, AUV sensor modules, underwater cameras, and marine scientific instruments where full waterproof integrity is critical. Precision-engineered with premium marine-grade materials, gold-plated contacts, and durable neoprene body, it ensures IP68 waterproofing and withstands 60 MPa pressure (6000 m depth). Superior corrosion resistance and low contact resistance establish it as the industry standard for deep-sea and offshore subsea connectors.

(2 customer reviews)

Additional information

Series

Miniature Series

  • Cable Length (Standard): 1.0m (Inline) / 0.3m (Bulkhead)

  • Customization: Cable length, mounting threads, and electrical ratings available upon request.

  • ✅ ROVs & AUVs: Thruster connections and tether management.

  • ✅ Underwater Cameras: Video signal transmission.

  • ✅ Sensors & Instrumentation: CTD, Sonar, and Hydrophones.

  • ✅ Diving Equipment: Diver communication systems.

  • ✅ Offshore Energy: Oil & Gas subsea control modules.

Contact

Jason Liu

Chief Technical Officer

HYSF Subsea

Manufacturing Showcase & Details

Explore high-resolution photos of actual production units. These images highlight our precision machining, quality overmolding, and attention to detail in every connector we ship.

Request a Quote or Custom Solution

Looking for bulk pricing or specific cable lengths (e.g., 0.3m, 1m, or custom)? Fill out the form below, and our sales team will send you a formal quotation within 12 hours.

John Zhang

CEO

Jason Liu
Kevin Wang
Cindy Chen
Lily Li
Contact Form Demo
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