MCIL&MCBH 8 Pins Series | Subsea Wet-Mate 8-Pin Micro Circular Connector | SubConn & Seacon Compatible | IP69K Waterproof
MCIL&MCBH 8 Pins Series | Subsea Wet-Mate 8-Pin Micro Circular Connector | SubConn & Seacon Compatible | IP69K Waterproof
YingDiGe 8-Pin Subsea Micro Circular Connector is a compact wet-mateable underwater connector designed as a direct, 1:1 compatible replacement for the SubConn® Micro Circular series. Matching mating geometry, mounting dimensions and electrical performance support integration into existing subsea equipment without mechanical redesign.
The 8-contact configuration is rated to 300 V AC/DC RMS and 5 A per contact, providing dependable signal and power connections for ROV, offshore, oceanographic and underwater imaging systems.
Highlights at a Glance
- Drop-In SubConn® Replacement: Directly mates with SubConn-standard systems without reworking the equipment interface.
- Reliable Subsea Performance: 8-pin configuration rated 300 V and 5 A per contact.
- Built for Deep-Marine Duty: Over 500 wet-mating cycles, >200 MΩ insulation resistance and 800 bar / 11,600 psi pressure-test capability.
- Flexible Customization: PUR-overmolded cable harnesses, bulkhead threads, shell materials and pressure-test certification available.
- Complete Supporting Accessories: Matched subsea cables, locking sleeves, PTFE leads and stainless-steel or titanium options.
Available Connector Types
Bulkhead, inline, right-angle and pressure-balanced oil-filled (PBOF) blanking connectors. Bulkhead connectors are supplied with color-coded or numbered PTFE leads.
Applications
- ROV and ROTV systems
- Subsea cameras, video systems and lighting
- Offshore oil & gas, renewable energy and subsea production
- Oceanographic observation and seabed monitoring
- Defense, diving and submarine systems
8-Pin Technical Specifications
| Parameter | Specification |
|---|---|
| Configuration | 8 contacts / 8 pins |
| Rated Voltage | 300 V AC/DC RMS |
| Rated Current | 5 A per contact, 20 A maximum total; 2.0 mm contact diameter |
| Insulation Resistance | > 200 MΩ |
| Contact Resistance | < 0.01 Ω |
| Wet Mating Cycles | > 500 cycles |
| Operating Temperature, Water | -4 to 60°C (25 to 140°F) |
| Operating Temperature, Air / Storage | -40 to 60°C (-40 to 140°F) |
| Pressure Test Rating | 800 bar / 11,600 psi |
| PEEK Version Pressure Rating | 300 bar / 4,350 psi |
| Bulkhead Thread | 7/16-20 UNF-2A |
Materials
Body: Chloroprene rubber / polyether TPU. Bulkhead shell: brass, stainless steel, titanium, anodized aluminum or PEEK. Contacts: gold-plated copper. O-ring: nitrile rubber. Locking sleeve: POM, titanium or stainless steel.
Male Face View, Standard 2–8 Pin Contact Arrangement
Male face view: standard contact arrangements across the 2–8 pin Micro Circular series.
Cable and Lead Specifications
- 8-Pin Inline Cable: 3.3 ft / 1.02 m standard length; 20 AWG (0.52 mm²) synthetic-rubber jacket; nominal OD 0.374 in / 9.5 mm ±0.5 mm.
- 8-Pin Bulkhead / PBOF Leads: 1 ft / 30 cm standard length; 20 AWG (0.52 mm²) white PTFE-insulated wire.
- 8-Conductor Color Code: 1 Red, 2 Black, 3 Yellow, 4 Blue, 5 Orange, 6 Brown, 7 Purple, 8 Green.
Custom Configuration and Support
- Custom cable lengths and customer-specified cable or lead wire
- Direct PUR cable overmolding and integrated cable assemblies
- Custom shell materials and bulkhead thread sizes
- Hydrostatic pressure-test certification for the required operating depth
- Fast technical coordination and after-sales engineering support
