Published on:2026-05-24 Click:36
Shanghai Kabel Intelligence Technology Co., Ltd Circular Series 4-pin inline and bulkhead male/female underwater connectors. IP68, 7000m, 25A per contact. SubConn Circular 4-contact compatible.
The 4-contact Circular Series from Shanghai Kabel Intelligence Technology Co., Ltd combines the high 25 A per contact current capacity of the low-count Circular platform with a fourth contact that can carry an additional power rail, a safety earth, or a low-bandwidth signal. COBH4 bulkhead and COIL4 in-line connectors are IP68 sealed, rated to 7,000 m depth, and directly replace SubConn Circular 4-contact connectors without panel modification.
| Parameter | Value |
|---|---|
| Contact count | 4 |
| Available models | COBH4M, COBH4F, COIL4M, COIL4F |
| Depth rating | 7,000 m |
| IP rating | IP68 |
| Voltage | 600 V AC/DC |
| Current per contact | 25 A |
| Shell | Anodized aluminium / Titanium option |
| Insulator | PEEK |
| Sealing | Dual O-ring per contact + face seal |
| Compatibility | SubConn Circular 4-contact COBH/COIL |
Email: sales@rovcable.com | www.rovconnector.com
Yes. A locking coupling ring (anti-vibration) is available as a standard option for all Circular Series connectors. Specify at ordering if required for high-vibration ROV chassis environments.
Standard COIL4 cable entry accommodates cable ODs from 8 to 18 mm depending on the collet set ordered. Custom collet sets for other ODs available on request.
