Interface
Pin count, contact layout, mounting drawing and cable construction.
← All connector familiesDEPTHLINK / SUBSEA CONNECTIVITY
Circular connectors.
A starting point for general subsea equipment connections.
Contact us ↗Technical overview ↓
DEFINE YOUR CONFIGURATION
Build the specification around your equipment.
Contact arrangement, connector envelope and equipment mounting.
Assembly
Cable length, end termination, materials and installation conditions.
Project
Required quantity, delivery date, inspection and documentation.
Final specifications, availability and any compatibility with an existing connector are confirmed during quotation.
SERIES OVERVIEW & CAPABILITIES
Understand the configuration.
Signal and power in a conventional circular interface, with standard, right-angle and Splitconn configurations.
SubConn technical reference
The figures below describe the referenced SubConn configurations, not verified DepthLink alternatives. Final supplied specifications and mating compatibility are confirmed with your quotation. Qualified pressure-test values are shown as published and are not automatically working-depth ratings.
Technical information reviewed 19 September 2026Contacts1–25, by configuration
Voltage600 V DC/AC rms
CurrentUp to 10 A/contact; connector totals apply
MatingMore than 500 wet matings
Typical applications
- Instrumentation and control
- ROV equipment
- Underwater cameras and lighting
Selection notes
The 25-contact version uses three 10 A power contacts and twenty-two 5 A signal contacts; its combined limit is 60 A.
Specifications by configuration
Expand a group for electrical and environmental limits, construction, wiring. Open the product specification to build your requirements.
Circular - Mini 1 contactTechnical details +
Electrical & environmental
| Voltage rating | 600 V DC/AC rms |
|---|---|
| Current rating | 10 A |
| Insulation resistance | > 200 MΩ |
| Contact resistance | < 0.01 Ω |
| Wet matings | > 500 |
| Temperature rating (water) | - 4 to 60˚C, 25 to 140˚F |
| Temperature rating (air) | - 40 to 60˚C, - 40 to 140˚F |
| Storage temperature rating | - 40 to 60˚C, - 40 to 140˚F |
| Qualified pressure tested | 1,400 bar, 20,300 psi (mated), 800 bar, 11,600 psi (open face) |
Materials, cables & terminations
| Connector body | Chloroprene rubber |
|---|---|
| Contacts | Gold plated brass UNS - C36000 |
| Locking sleeves | POM |
| Inline cable (2 ft, 60 cm) | 18 AWG, 0.82 mm2 synthetic rubber |
Wiring reference
Confirm the exact part’s drawing and contact numbering before wiring.
Inline cable colour code
- 1: Black
Circular - 2, 3, 4 and 5 contactsTechnical details +
Electrical & environmental
| Voltage rating | 600 V DC/AC rms |
|---|---|
| 2 contacts current rating | 10 A per contact (max 20 A per connector) |
| 3, 4 and 5 contacts current rating | 10 A per contact (max 30 A per connector) |
| Insulation resistance | > 200 MΩ |
| Contact resistance | < 0.01 Ω |
| Wet matings | > 500 |
| Temperature rating (water) | - 4 to 60˚C, 25 to 140˚F |
| Temperature rating (air) | - 40 to 60˚C, - 40 to 140˚F |
| Storage temperature rating | - 40 to 60˚C, - 40 to 140˚F |
| Qualified pressure tested | 1,400 bar, 20,300 psi (mated), 800 bar, 11,600 psi (open face) |
| Depth rating PEEK | 300 bar, 4,350 psi |
Materials, cables & terminations
| Connector body | Chloroprene rubber |
|---|---|
| Bulkhead body | Brass, stainless steel, titanium, anodised aluminium or PEEK |
| Contacts | Gold plated brass UNS - C36000 |
| Location pin | Stainless steel AISI 303 |
| O-rings | Nitrile |
| Locking sleeves | POM or stainless steel |
| Snap rings | Stainless steel AISI 302 |
| 2, 3 and 4 conductor inline cable (2 ft, 60 cm or 16 ft, 5 m) | 16 AWG, 1.31 mm2 synthetic rubber |
| 5 conductor inline cable (2 ft, 60 cm or 16 ft, 5 m) | 18 AWG, 0.82 mm2 synthetic rubber |
| Bulkhead and PBOF leads (1 ft, 30 cm) | 18 AWG, 0.82 mm2 coloured PTFE |
| OM leads (3", 7 cm) | 18 AWG, 0.82 mm2 coloured PTFE |
Wiring reference
Confirm the exact part’s drawing and contact numbering before wiring.
Inline cable colour code
- 1: Black
- 2: White
- 3: Red
- 4: Green
- 5: Orange
(3 conductor cable colour code: 1 black, 2 white, 3 green)
Circular Splitconn - 2 contactsTechnical details +
Electrical & environmental
| Voltage rating | 600 V DC/AC rms |
|---|---|
| 2 contacts current rating | 10 A per contact (max 20 A per connector) |
| Insulation resistance | > 200 MΩ |
| Contact resistance | < 0.01 Ω |
| Wet matings | > 500 |
| Temperature rating (water) | - 4 to 60˚C, 25 to 140˚F |
| Temperature rating (air) | - 40 to 60˚C, - 40 to 140˚F |
| Storage temperature rating | - 40 to 60˚C, - 40 to 140˚F |
| Qualified pressure tested | 1,400 bar, 20,300 psi (mated), 800 bar, 11,600 psi (open face) |
Materials, cables & terminations
| Connector body | Chloroprene rubber |
|---|---|
| Contacts | Gold plated brass UNS - C36000 |
| Location pin | Stainless steel AISI 303 |
| Locking sleeves | POM |
| Snap rings | Stainless steel AISI 302 |
| 2 conductor inline cable (2 ft, 60 cm) | 18 AWG, 0.82 mm2 synthetic rubber |
Wiring reference
Confirm the exact part’s drawing and contact numbering before wiring.
Inline cable colour code
- 1: Black
- 2: White
Circular - 6, 8 and 10 contactsTechnical details +
Electrical & environmental
| Voltage rating | 600 V DC/AC rms |
|---|---|
| Current rating | 10 A per contact (max 50 A per connector) |
| Insulation resistance | > 200 MΩ |
| Contact resistance | < 0.01 Ω |
| Wet matings | > 500 |
| Temperature rating (water) | - 4 to 60˚C, 25 to 140˚F |
| Temperature rating (air) | - 40 to 60˚C, - 40 to 140˚F |
| Storage temperature rating | - 40 to 60˚C, - 40 to 140˚F |
| Qualified pressure tested | 1,400 bar, 20,300 psi (mated), 800 bar, 11,600 psi (open face) |
| Depth rating PEEK | 300 bar, 4,350 psi |
Materials, cables & terminations
| Connector body | Chloroprene rubber |
|---|---|
| Bulkhead body | Brass, stainless steel, titanium, anodised aluminium or PEEK |
| Contacts | Gold plated brass UNS - C36000 |
| Location pin | Stainless steel AISI 303 |
| O-rings | Nitrile |
| Locking sleeves | POM or stainless steel |
| Snap rings | Stainless steel AISI 302 |
| 6 and 8 conductor inline cable (2 ft, 60 cm or 16 ft, 5 m) | 16 AWG, 1.31 mm2 synthetic rubber |
| 10 conductor inline cable (2 ft, 60 cm or 16 ft, 5 m) | 18 AWG, 0.82 mm2 synthetic rubber |
| Bulkhead and PBOF leads (1 ft, 30 cm) | 18 AWG, 0.82 mm2 coloured PTFE |
| OM leads (3", 7 cm) | 18 AWG, 0.82 mm2 coloured PTFE |
Wiring reference
Confirm the exact part’s drawing and contact numbering before wiring.
Inline cable colour code
- 1: Black
- 2: White
- 3: Red
- 4: Green
- 5: Orange
- 6: Blue
- 7: White/black
- 8: Red/black
- 9: Green/black
- 10: Orange/black
Circular Right Angle - 6, 8 and 10 contactsTechnical details +
Electrical & environmental
| Voltage rating | 600 V DC/AC rms |
|---|---|
| Current rating | 10 A per contact (max 50 A per connector) |
| Insulation resistance | > 200 MΩ |
| Contact resistance | < 0.01 Ω |
| Wet matings | > 500 |
| Temperature rating (water) | - 4 to 60˚C, 25 to 140˚F |
| Temperature rating (air) | - 40 to 60˚C, - 40 to 140˚F |
| Storage temperature rating | - 40 to 60˚C, - 40 to 140˚F |
| Qualified pressure tested | 1,400 bar, 20,300 psi (mated), 800 bar, 11,600 psi (open face) |
Materials, cables & terminations
| Connector body | Chloroprene rubber |
|---|---|
| Contacts | Brass UNS - C36000 |
| Location pin | AISI 303 |
| Locking sleeves | POM or stainless steel |
| Snap rings | AISI 302 |
| 6 and 8 conductor inline cable (2 ft, 60 cm) | 16 AWG, 1.31 mm2 synthetic rubber |
| 10 conductor inline cable (2 ft, 60 cm) | 18 AWG, 0.82 mm2 synthetic rubber |
Wiring reference
Confirm the exact part’s drawing and contact numbering before wiring.
Inline cable colour code
- 1: Black
- 2: White
- 3: Red
- 4: Green
- 5: Orange
- 6: Blue
- 7: White/black
- 8: Red/black
- 9: Green/black
- 10: Orange/black
Circular - 12, 16 and 25 contactsTechnical details +
Electrical & environmental
| Voltage rating | 600 V DC/AC rms |
|---|---|
| 12 and 16 contacts current rating | 10 A per contact (max 60 A per connector) |
| 25 contacts current rating | 3 power contacts 10 A per contact, 22 signal contacts 5 A per contact (max 60 A per connector) |
| Insulation resistance | > 200 MΩ |
| Contact resistance | < 0.01 Ω |
| Wet matings | > 500 |
| Temperature rating (water) | - 4 to 60˚C, 25 to 140˚F |
| Temperature rating (air) | - 40 to 60˚C, - 40 to 140˚F |
| Storage temperature rating | - 40 to 60˚C, - 40 to 140˚F |
| Qualified pressure tested | 1,400 bar, 20,300 psi (mated), 800 bar, 11,600 psi (open face) |
| Depth rating PEEK | 300 bar, 4,350 psi |
Materials, cables & terminations
| Connector body | Chloroprene rubber |
|---|---|
| Bulkhead body | Brass, stainless steel, titanium, anodised aluminium or PEEK |
| 12 and 16 contacts | Gold plated brass UNS - C36000 |
| 25 contacts | Contact 2, 4 and 6: gold plated brass UNS - C36000, Contact 1, 3, 5, 7 - 25: gold plated beryllium copper |
| O-rings | Nitrile |
| Locking sleeves | POM or stainless steel |
| Snap rings | Stainless steel AISI 302 |
| 12 and 16 conductor inline cable (2 ft, 60 cm or 16 ft, 5 m) | 18 AWG, 0.82 mm2 synthetic rubber |
| 25 conductor inline cable (2 ft, 60 cm) | 3 x 18 AWG, 0.82 mm2, 22 x 20 AWG, 0.52 mm2 polyurethane |
| 12 and 16 contact bulkhead and PBOF leads (1 ft, 30 cm) | 18 AWG, 0.82 mm2 coloured PTFE |
| 25 contact bulkhead and PBOF leads (1 ft, 30 cm) | 3 x 18 AWG, 0.82 mm2, 22 x 22 AWG, 0.33 mm2 white tagged PTFE |
| 12 and 16 contact OM leads (3", 7 cm) | 18 AWG, 0.82 mm2 coloured PTFE |
Wiring reference
Confirm the exact part’s drawing and contact numbering before wiring.
Inline cable colour code for 12 and 16 conductor
- 1: Black
- 2: White
- 3: Red
- 4 Green
- 5: Orange
- 6: Blue
- 7: White/black
- 8: Red/black
- 9: Green/black
- 10: Orange/black
- 11: Blue/black
- 12: Black/white
- 13: Red/white
- 14: Green/white
- 15: Blue/white
- 16: Black/red
Inline cable colour code for 25 conductor
- 1: Orange
- 2: Black-18 AWG
- 3: Grey
- 4: Red-18 AWG
- 5: Green
- 6: Brown-18 AWG
- 7: Yellow
- 8: White/black
- 9: White
- 10: Purple
- 11: Blue
- 12: White/yellow
- 13: White/green
- 14: White/blue
- 15: White/purple
- 16: White/grey
- 17: White/brown/black
- 18: White/red/black
- 19: White/orange/black
- 20: White/yellow/black
- 21: White/green/black
- 22: White/blue/black
- 23: White/brown
- 24: White/red
- 25: White/orange
Images based on SubConn reference photographs from MacArtney. Illustrative references; connector details, supplied appearance and compatibility are confirmed with your quotation.
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