HYSF Underwater ConnectorsHYSF Underwater Connectors

Successfully Customized Productscustomized products

Discover HYSF's Successfully Customized Products: tailored underwater electrical connectors engineered for unique client needs. From deep-sea missions to offshore rigs, these proven designs deliver reliability, precision, and performance in extreme environments.

HYSF MCBH4M-2xM Split Dual-Head 4-Pin Underwater Connector (Subconn® Compatible)

HYSF MCBH4M-2xM is a custom 4-pin Subconn®-compatible connector split into two male heads from one bulkhead. IP68-rated, 10,000 PSI tested for ROV sensor branching, subsea junction boxes, and compact multi-device integration.

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HYSF LPMBH/IL12-16M/F Right-Angle Inline 12-16 Pin Underwater Connector with Molded Cable

HYSF LPMBH/IL12-16M/F is a right-angle inline underwater connector with 12–16 pins and overmolded cable. IP68-rated, 10,000 PSI tested, ideal for LPM panels, ROVs, AUVs, and compact subsea electronics.

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HYSF MGBH6M/F 6-Pin High-Current Underwater Connector (Custom 40A per Pin)

HYSF MGBH6M/F is a custom 6-pin underwater connector rated at 40A per pin for high-power applications. IP68-rated, 10,000 PSI tested, ideal for ROV thrusters, subsea power distribution, and heavy-duty marine systems.

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HYSF LPMBH/IL8M/F Custom Flat Bulkhead Right-Angle 8-Pin Underwater Penetrator

HYSF LPMBH/IL8M/F is a custom flat-panel bulkhead right-angle 8-pin underwater penetrator with pre-terminated flying leads and overmolded cable. IP68-rated, 10,000 PSI tested for LPM housings, ROV panels, and compact subsea systems.

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HYSF MCIL/MCIL8M Custom Coiled Water-Tight Cable Assembly (8-Pin, Stretchable)

HYSF MCIL8M-Coiled is a custom 8-pin Subconn®-compatible coiled underwater cable assembly. IP68-rated, 10,000 PSI tested, stretchable design ideal for ROV tethers, dynamic sensor links, and compact subsea deployments.

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HYSF MCBH Hybrid Multi-Fiber Photoelectric Underwater Connector for Cameras and Lights

HYSF MCBH Hybrid Multi-Fiber is a custom photoelectric watertight connector with multiple electrical pins and high-density fiber optic channels. IP68-rated, 10,000 PSI tested, ideal for underwater cameras, LED lights, ROV imaging systems, and high-bandwidth subsea video transmission.

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HYSF MCBH61M/F High-Density 61-Pin Metal Underwater Connector (70 MPa Pressure Rated)

HYSF MCBH61M/F is a custom 61-pin high-density metal underwater connector rated to 70 MPa (10,152 PSI). IP68-rated, ideal for multi-signal subsea arrays, ROV control systems, and deepwater sensor networks with red flying leads.

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HYSF UW-CAM-5MP-40MPA Underwater Camera with 8 LED Lights (316L SS Housing)

HYSF UW-CAM-5MP is a custom 5MP network HD underwater camera rated to 40 MPa (5,800 PSI). 316L stainless steel housing, 8 integrated LED lights, IP68-rated for ROV inspections, subsea monitoring, and deepwater video systems up to 4000m.

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HYSF Mini-SEAL-3P Custom Small Sealed Underwater Housing with 3-Pin Connector

HYSF Mini-SEAL-3P is a compact sealed aluminum housing with integrated 3-pin watertight connector. Rated to 40 MPa (5,800 PSI), ideal for ROV electronics, AUV sensor modules, and miniature subsea instruments up to 4000m.

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HYSF MGBH Custom Metal-Housed High-Voltage Underwater Connector (2/4/6-Pin, 5000V Rated)

HYSF MGBH HV-Custom is a proprietary metal-housed high-voltage underwater connector series (2/4/6 pins) rated to 5000V with flexible current combinations. IP68-rated, 10,000 PSI tested, ideal for high-power subsea applications like ROV thrusters, underwater welding, and custom power distribution.

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HYSF HV-SENSOR-Custom High-Pressure Underwater Sensor Penetrators (5000V/40MPa, 1–2 Pin)

HYSF HV-SENSOR-Custom is a private series of 1-pin or 2-pin high-voltage (5000V) sensor penetrators rated to 40 MPa (5800 PSI). Metal+polymer hybrid, red overmolded leads, supplied in protective aluminum cases for deepsea pressure/temperature probes, CTDs, and ROV instrumentation.

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HYSF LPMBH/IL4M/F Micro Flange-Mount 4-Pin Underwater Connector with Triple O-Ring Seal

HYSF LPMBH/IL4M/F Micro is an ultra-compact flange-mount 4-pin underwater connector featuring three independent O-ring seals. IP68-rated, 10,000 PSI tested, ideal for miniature ROVs, AUV sensor nodes, and space-critical subsea electronics up to 6000m.

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HYSF MCBH4-61M/F High-Pressure Metal-Housed 4-61 Pin Underwater Connector (60 MPa, Triple Seal)

HYSF MCBH4-61M/F is a custom metal-housed underwater connector series with 4–61 pins, single-pin current 5–60A, rated to 60 MPa (8702 PSI). Triple O-ring seals enhance waterproofing; ideal for deepsea ROVs, AUVs, and high-power subsea systems up to 6000m.

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HYSF MCBH/IL4M/F Metal-Housed High-Pressure Underwater Connector with Overmolded Cable

HYSF MCBH/IL4M/F is a custom 4-pin metal-housed underwater connector with overmolded polyurethane cable. Rated to 60 MPa (8702 PSI), IP68 waterproof, ideal for ROV thrusters, AUV power links, and deepsea instrumentation up to 6000m.

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HYSF UW-LIGHT-LED-316L Custom Underwater LED Light (316L SS Housing, Waterproof Penetrator)

HYSF UW-LIGHT-LED is a cost-effective custom underwater LED light with 316L stainless steel housing and imported LED chips. Includes integrated waterproof penetrator connector, IP68-rated to 60 MPa (8702 PSI), ideal for ROV illumination, subsea inspections, and deepwater operations up to 6000m.

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HYSF UW-LIGHT-3000LM Custom Underwater Fill Light (3000 Lumens, 300m Depth Rated)

HYSF UW-LIGHT-3000LM is a custom high-brightness underwater fill light delivering 3000 lumens. Waterproof to 300m (30 Bar / 435 PSI), with anodized aluminum housing and integrated MCBH connector, ideal for ROV cameras, subsea inspections, and low-light deepwater operations.

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HYSF SQ-SEAL-6P Custom Square Watertight Enclosure with 6 Penetrators & Micro Waterproof Plugs

HYSF SQ-SEAL-6P is a custom square aluminum watertight enclosure with 6 integrated penetrators and micro waterproof plugs. Rated to 60 MPa (8702 PSI), IP68 sealed, ideal for ROV electronics, AUV sensor housings, and deepsea control modules up to 6000m.

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HYSF TI-PENETRATOR Custom Titanium Alloy Waterproof Bulkhead Penetrator (2–4 Pin, 60 MPa)

HYSF TI-PENETRATOR is a custom titanium alloy waterproof bulkhead penetrator with 2–4 pins, rated to 60 MPa (8702 PSI). Ultra-light, corrosion-proof, ideal for deepsea ROVs, AUVs, and titanium pressure housings up to 6000m.

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HYSF BRANCH-WCABLE Custom Branched Watertight Cable Assembly (Tree-Network Structure)

HYSF BRANCH-WCABLE is a fully custom branched watertight cable harness with tree-network topology. Uses MCBH-compatible waterproof connectors, supports 1-to-N splitting, rated to 60 MPa (8702 PSI), ideal for ROV multi-sensor arrays, AUV distributed systems, and subsea junction networks up to 6000m.

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HYSF MICRO-3P-70MPa Mini 3-Pin Waterproof Connector (70 MPa, Neoprene Plug)

HYSF MICRO-3P-70MPa is a custom ultra-mini 3-pin waterproof connector rated to 70 MPa (10,152 PSI). Neoprene (CR) molded plug, 316L SS bulkhead, ideal for compact ROV sensors, AUV instruments, and deepsea micro-modules up to 7000m.

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HYSF MCBH-HYBRID-4/2 Photoelectric Waterproof Connector (4 Electrical + 2 Fiber Optic Pins)

HYSF MCBH-HYBRID-4/2 is a custom hybrid photoelectric waterproof connector with 4 electrical pins and 2 multimode fiber channels. IP68-rated, 60 MPa tested, ideal for subsea cameras, fiber optic sensors, ROV video feeds, and deepwater data transmission up to 6000m.

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HYSF CR-PENETRATOR Series Custom Neoprene Bulkhead Penetrators (Multi-Model, 70 MPa)

HYSF CR-PENETRATOR Series is a custom range of neoprene bulkhead penetrators in various models (2–12 pins). Chloroprene rubber (CR) construction for corrosion resistance, rated to 70 MPa (10,152 PSI), ideal for ROV housings, AUV sensors, and deepsea custom structures up to 7000m.

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HYSF COIL-WP Custom Coiled Waterproof Plug Assembly (Brass Pins, PU Spiral Cable)

HYSF COIL-WP is a fully custom coiled waterproof plug assembly with brass contact pins and high-elastic PU spiral cable. IP68-rated, 30 MPa tested, ideal for ROV manipulators, diver tools, and retractable subsea umbilicals with 3–5x extension.

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HYSF ILB5M/F Custom 5-Pin Inline Underwater Connector (30A per Pin, High-Current)

HYSF ILB5M/F is a custom inline 5-pin waterproof connector rated at 30A per pin for high-power applications. IP68-rated, 60 MPa tested, ideal for ROV thrusters, subsea power distribution, and heavy-duty AUV systems up to 6000m.

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HYSF SS-LOCKCAP Custom Stainless Steel Locking Cap (MCBH/MCIL Series, IP68)

HYSF SS-LOCKCAP is a custom 316L stainless steel locking cap with threaded coupling and O-ring seal. Fits MCBH/MCIL connectors, IP68-rated, prevents accidental unmating in ROV/AUV high-vibration environments up to 6000m.

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HYSF MICRO-WP-2-28 Custom Ultra-Mini Waterproof Connector (2–28 Pins, 60 MPa)

HYSF MICRO-WP-2-28 is a custom ultra-mini waterproof connector series supporting 2–28 pins in Ø15 mm housing. IP68-rated, 60 MPa tested, ideal for micro-ROVs, AUV sensors, and compact deepsea electronics up to 6000m.

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HYSF BRANCH-1TO14 Custom 1-to-14 Split Watertight Cable Harness (Main Cable to 14 Micro 3-Pin Female)

HYSF BRANCH-1TO14 is a custom 1-to-14 branched watertight cable assembly for international clients. Single main cable splits to 14 micro 3-pin female connectors, IP68-rated, 60 MPa tested, ideal for ROV multi-tool arrays, AUV sensor clusters, and deepsea parallel distribution up to 6000m.

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HYSF RMG4M/F 4-Pin Underwater Engineering Cable Plug (RMG Series, High-Current)

HYSF RMG4M/F is a custom 4-pin underwater engineering cable plug from the RMG series. IP68-rated, 60 MPa tested, with robust overmolding for harsh marine environments, ideal for subsea power/signal transmission in ROVs, AUVs, and offshore engineering up to 6000m.

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HYSF MCPBOF2-8M/F Oil-Filled Waterproof Connector (8-Pin Deep Water Cable Plug)

HYSF MCPBOF2-8M/F is a custom oil-filled waterproof connector with 8 pins for deep water applications. Syntactic foam-compatible, IP68-rated, 100 MPa tested, ideal for ultra-deep ROVs, AUVs, and high-pressure subsea cables up to 10,000m.

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HYSF HCP-1P-150A Single-Pin High-Current Underwater Connector (150A Rating)

HYSF HCP-1P-150A is a custom single-pin high-current waterproof connector rated for 150A continuous. IP68-rated, 60 MPa tested, with robust PU overmolding, ideal for subsea welding, ROV thrusters, and heavy-power AUV applications up to 6000m.

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HYSF HP-PENETRATOR-120MPa Custom High-Pressure Bulkhead Penetrator (150°C Rated)

HYSF HP-PENETRATOR-120MPa is a custom high-pressure bulkhead penetrator rated to 120 MPa (17,405 PSI) and 150°C temperature. Titanium construction with ceramic insulation, IP68 sealed, ideal for hadal zone ROVs, geothermal subsea probes, and extreme-depth instruments up to 12,000m.

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HYSF BRANCH-1TO3 Custom 1-to-3 Split Watertight Cable Assembly (PU Y-Split)

HYSF BRANCH-1TO3 is a custom 1-to-3 branched watertight cable assembly with PU Y-split overmold. IP68-rated, 60 MPa tested, ideal for ROV sensor distribution, AUV multi-instrument feeds, and subsea junction splitting up to 6000m.

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