Circular Series

Underwater connectors for power and signal, with inline and bulkhead configurations. Cable assemblies can be tailored to your installation.

Connector specifications

Rated voltage: 600 V DC/AC
Insulation resistance: > 200 MΩ
Contact resistance: < 0.01 Ω

Materials & operating conditions

Materials & mechanical

Connector body: Chloroprene rubber
Bulkhead body options: Brass C36000 / 316L stainless steel / TC4 titanium / anodised aluminium 7075
O-ring: Nitrile rubber
Locking sleeve: POM or stainless steel
Mating cycles: ≥ 500

Environment

Catalogue pressure level: 140 MPa
Operating temperature · water: −4 to +60 °C
Operating temperature · air: −40 to +60 °C
Storage temperature: −40 to +60 °C

Products

2 / 3 / 4 / 5 contacts

Catalogue · PDF, English

FemaleRT-IL2F

MaleRT-IL2M

2-contact inline connector

FemaleRT-BH2F

MaleRT-BH2M

2-contact bulkhead connector

FemaleRT-OM2F

MaleRT-OM2M

OM connectors

Accessories

ART-OMBA

BRT-OMBB

OMBA / OMBB

FemaleRT-DC2F

MaleRT-DC2M

DC2 dummy connectors

FemaleRT-DLSA-F

MaleRT-DLSA-M

DLSA locking sleeves

Dimensions, wiring & cable data · 2 / 3 / 4 / 5

Inline cable: 60 cm. Bulkhead leads: 30 cm, white PTFE. Electrical values apply to connectors, not accessories.

Scroll sideways to view all cable specifications.

Contacts	Current / contact	Inline waterproof cable	Bulkhead leads	Cable OD	Outer sheath
2	10 A	16 AWG · 1.31 mm² · 60 cm	18 AWG · 0.82 mm² · white PTFE · 30 cm	9.3 mm	Chloroprene rubber outer sheath
3	10 A	16 AWG · 1.31 mm² · 60 cm	18 AWG · 0.82 mm² · white PTFE · 30 cm	9.8 mm	Chloroprene rubber outer sheath
4	10 A	16 AWG · 1.31 mm² · 60 cm	18 AWG · 0.82 mm² · white PTFE · 30 cm	10.4 mm	Chloroprene rubber outer sheath
5	10 A	18 AWG · 0.82 mm² · 60 cm	18 AWG · 0.82 mm² · white PTFE · 30 cm	11.8 mm	Chloroprene rubber outer sheath

Wire colours by contact count

2 contacts: 1: Black · 2: White
3 contacts: 1: Black · 2: White · 3: Red
4 contacts: 1: Black · 2: White · 3: Red · 4: Green
5 contacts: 1: Black · 2: White · 3: Red · 4: Green · 5: Orange

Original specifications and drawings — 2 / 3 / 4 / 5 contacts · 20 — Catalogue page 20 English

Original specifications and drawings — 2 / 3 / 4 / 5 contacts · 21 — Catalogue page 21 English

Original specifications and drawings — 2 / 3 / 4 / 5 contacts · 22 — Catalogue page 22 English

Open catalogue · 2 / 3 / 4 / 5 contacts Wiring & cable colour codes · PDF, English

6 / 8 / 10 contacts

Catalogue · PDF, English

FemaleRT-IL6F

MaleRT-IL6M

6-contact inline connector

FemaleRT-BH6F

MaleRT-BH6M

6-contact bulkhead connector

FemaleRT-PBOF10F

MaleRT-PBOF10M

PBOF connectors

Accessories

FemaleRT-DC10F

MaleRT-DC10M

DC10 dummy connectors

FemaleRT-DLSB-F

MaleRT-DLSB-M

DLSB locking sleeves

Dimensions, wiring & cable data · 6 / 8 / 10

Inline cable: 60 cm. Bulkhead leads: 30 cm, white PTFE. Electrical values apply to connectors, not accessories.

Scroll sideways to view all cable specifications.

Contacts	Current / contact	Inline waterproof cable	Bulkhead leads	Cable OD	Outer sheath
6	10 A	16 AWG · 1.31 mm² · 60 cm	18 AWG · 0.82 mm² · white PTFE · 30 cm	13.2 mm	Chloroprene rubber outer sheath
8	10 A	16 AWG · 1.31 mm² · 60 cm	18 AWG · 0.82 mm² · white PTFE · 30 cm	14.1 mm	Chloroprene rubber outer sheath
10	10 A	18 AWG · 0.82 mm² · 60 cm	18 AWG · 0.82 mm² · white PTFE · 30 cm	15.4 mm	Chloroprene rubber outer sheath

Wire colours by contact count

6 contacts: 1: Black · 2: White · 3: Red · 4: Green · 5: Orange · 6: Blue
8 contacts: 1: Black · 2: White · 3: Red · 4: Green · 5: Orange · 6: Blue · 7: White-Black · 8: Red-Black
10 contacts: 1: Black · 2: White · 3: Red · 4: Green · 5: Orange · 6: Blue · 7: White-Black · 8: Red-Black · 9: Green-Black · 10: Orange-Black

Original specifications and drawings — 6 / 8 / 10 contacts · 23 — Catalogue page 23 English

Original specifications and drawings — 6 / 8 / 10 contacts · 24 — Catalogue page 24 English

Open catalogue · 6 / 8 / 10 contacts Wiring & cable colour codes · PDF, English

12 / 16 / 25 contacts

Catalogue · PDF, English

FemaleRT-IL12F

MaleRT-IL12M

12-contact inline connector

FemaleRT-BH12F

MaleRT-BH12M

12-contact bulkhead connector

Accessories

FemaleRT-DC25F

MaleRT-DC25M

DC25 dummy connectors

FemaleRT-DLSC-F

MaleRT-DLSC-M

DLSC locking sleeves

Dimensions, wiring & cable data · 12 / 16 / 25

Inline cable: 60 cm. Bulkhead leads: 30 cm, white PTFE. Electrical values apply to connectors, not accessories.

Scroll sideways to view all cable specifications.

Contacts	Current / contact	Inline waterproof cable	Bulkhead leads	Cable OD	Outer sheath
12	10 A	18 AWG · 0.82 mm² · 60 cm	18 AWG · 0.82 mm² · white PTFE · 30 cm	15.4 mm	Chloroprene rubber outer sheath
16	10 A	18 AWG · 0.82 mm² · 60 cm	18 AWG · 0.82 mm² · white PTFE · 30 cm	17.9 mm	Chloroprene rubber outer sheath
25	3 power: 10 A / core; 22 signal: 5 A / core	3 power: 18 AWG · 0.82 mm²; 22 signal: 22 AWG · 0.32 mm² · 60 cm	3 power: 18 AWG · 0.82 mm² · white PTFE; 22 signal: 22 AWG · 0.32 mm² · white PTFE · 30 cm	13.5 mm	Confirm jacket construction

Wire colours by contact count

12 contacts: 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
16 contacts: 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
25 contacts: Confirm the 25-contact wiring schedule for your assembly.

Original specifications and drawings — 12 / 16 / 25 contacts · 25 — Catalogue page 25 English

Original specifications and drawings — 12 / 16 / 25 contacts · 26 — Catalogue page 26 English

Original specifications and drawings — 12 / 16 / 25 contacts · 27 — Catalogue page 27 English

Open catalogue · 12 / 16 / 25 contacts Wiring & cable colour codes · PDF, English

Custom cable assemblies

Share your cable type, length, installation interface and operating requirements with our team.