SKU:
The HYSF SF40M-4S4T-TS is a high-density hybrid photoelectric threaded bulkhead watertight connector combining 4 optical fibers and 4 electrical contacts for multi-channel simultaneous data and power in space-limited deep-sea systems. Essential for large ROV umbilicals, AUV comprehensive sensor payloads, underwater high-resolution imaging with power, marine data hubs, and offshore monitoring requiring threaded hybrid connections. Engineered with marine-grade construction, precision optical components, gold-plated electrical pins, and robust threading, it maintains IP68 integrity at 6000-meter depths (60 MPa). Superior signal quality and corrosion protection establish it as the standard for 4 fiber 4 power threaded underwater connectors and deep-ocean hybrid photoelectric bulkheads from HYSF.
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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.

Chief Technical Officer
jason@hysfsubsea.com
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.
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.

CEO



