Frequently Asked Questions -- Underwater & Subsea Connectors

Find answers to the most common questions about RV Power Group underwater connectors, including depth ratings, SubConn compatibility, IP68 certification, custom engineering, lead times, and maintenance guidelines. For technical consultation, contact [email protected].

Depth & Pressure

Q: What depth rating do your underwater connectors support?
A: RV Power Group connectors are rated to a maximum of 7,000 meters (700 bar). Depth tiers: 300 m (commercial diving), 1,000 m (observation ROV), 3,000 m (work-class ROV / oil & gas), 6,000 m (full ocean depth research), 7,000 m (maximum, titanium shell recommended). All depth ratings are hydrostatic-tested at 1.5x working pressure.

Q: What is IP68 and do your connectors meet this standard?
A: IP68 per IEC 60529 is the highest submersion protection rating -- permanently waterproof at manufacturer-specified depth. All RV Power Group connectors are IP68 rated, verified by in-house pressure testing. IP68 test certificates are available on request.

Compatibility

Q: Are your connectors compatible with SubConn connectors?
A: Yes -- 100% intermateable. Shell OD, O-ring groove, contact layout, and coupling mechanism all match SubConn specifications. Compatible with SubConn Micro Circular, Circular Standard, Ethernet, Hybrid Opto-Electric, and 55 Series.

Q: What is the difference between wet-mate and dry-mate connectors?
A: Wet-mate connectors can be mated/unmated underwater. Dry-mate connectors must be connected in air before submersion. All RV Power Group standard connectors are wet-mate capable.

Materials & Performance

Q: What connector materials are used for saltwater environments?
A: Standard: 316L stainless steel shell, beryllium copper gold-plated contacts, NBR O-rings, polyurethane overmold. Optional: titanium, Viton O-rings (for H2S/oil environments), PEEK shell (non-magnetic).

Q: What is the operating temperature range?
A: Standard: -5 deg C to +55 deg C in seawater. Arctic variants to -40 deg C. High-temperature variants to +100 deg C available on request.

Q: What is the contact current rating?
A: Micro Circular signal: 3-5 A | Micro Circular power: 10-15 A | Circular Standard: 20-30 A | 55 Series: 50-70 A | High-Power Series: 100-150 A.

Ordering & Lead Time

Q: What is the minimum order quantity?
A: No MOQ on standard items -- order 1 unit or 1,000 units. Volume pricing from 50+ units.

Q: What is the lead time?
A: Standard items: 5-10 business days. Custom assemblies: 7-14 business days. New custom designs: 15-25 business days from approved drawings.

Q: Do you supply pre-terminated cable assemblies?
A: Yes -- full cable assemblies with any length, 100% pressure and electrical tested, with test report.

Custom Engineering

Q: Can you make custom underwater connectors?
A: Yes. Any contact count (2-55), shell material, contact type (power/signal/coax/fiber), cable config, and depth to 7,000 m. Prototype in 15-25 business days.

Q: How do I specify a connector for my project?
A: Provide: depth (m), contact count, signal types, cable OD, temperature range, intermatability requirement, quantity. Email [email protected] -- response within 24 hours.

Certifications & Maintenance

Q: What certifications do you hold?
A: ISO 9001:2015, CE, RoHS, IP68 (IEC 60529), IMCA D 023 (commercial diving). DNV GL / Bureau Veritas type approval available on request.

Q: How do I maintain underwater connectors?
A: Before dive: inspect & lube O-rings with silicone grease, check contacts, fit dummy plugs. After recovery: rinse with fresh water within 2 hours, dry, store with dummy plugs. Replace NBR O-rings every 12 months or 200 mating cycles.

Get Technical Support

Can't find your answer? Email our engineering team: [email protected]