Hubbell HBL31CM28 Marine Power Adapter - 5-15P To L5-30R
SKU HUB-HBL31CM28
Hubbell HBL31CM28 marine power adapter, 15 A, 125 VAC.
- Amperage
- 15 A
- Voltage
- 125 VAC
- Ingress protection
- IP20
- Poles
- 2-Pole
- Color
- White
- Phase
- Single Phase
- Wires
- 3-Wire Grounding
- Ip Class
- IP20
Stocked items typically ship the next business day from our US warehouse. 30-day returns on unused stocked items. Exclusions apply. Return policy · Shipping policy
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About this product
Hubbell HBL31CM28 marine power adapter, 15 A, 125 VAC
The Hubbell HBL31CM28 is a marine power adapter for straight blade male to locking female. Its published electrical configuration is 15 A, 125 VAC, 2-Pole, 3-Wire Grounding.
Key features
- Amperage: 15 A
- Voltage: 125 VAC
- Poles: 2-Pole
- Wiring: 3-Wire Grounding
- Connectivity: Plug-In
- NEMA: 5-15P To L5-30R
Application & installation notes
The adapter configuration is female end: 30A 125V, 2P3W Twist-Lock®; male end: 15A 125V, 2P3W Straight Blade.
Hubbell describes it as one piece, 2 Pole, 3 Wire Grounding.
Product details
- Amperage
- 15 A
- Voltage
- 125 VAC
- Ingress protection
- IP20
- Poles
- 2-Pole
- Color
- White
- Phase
- Single Phase
- Wires
- 3-Wire Grounding
- Ip Class
- IP20
- Material
- Thermoplastic
- Mounting
- Plug-In
- Nema Rating
- 5-15P To L5-30R
- Connectivity
- Plug-In
Shipping & returns
- Stocked items typically ship the next business day from our US warehouse.
- 30-day returns on unused stocked items. Exclusions apply. See policy
- Custom and quoted items are non-returnable once production begins.
Warranty
Backed by the original manufacturer’s warranty plus our workmanship guarantee on assembled harnesses. Contact us with your invoice and we’ll coordinate any covered repair or replacement.
Read the full warranty termsTechnical support
Need help choosing the right part?
Our marine electrical team can review your setup and recommend compatible products. Send a photo, a sketch, or your circuit list and we'll come back with a parts list that fits the boat.
Certifications & training
- ABYC-aware build practices
- OEM-grade marine wire & terminals
Additional capabilities are based on hands-on experience building marine wiring systems rather than third-party certification.
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Why buy from Common Ground Marine
- 20+ years building marine wiring harnesses, panels, and shore-power systems.
- Engineers — not a phone tree — review every custom build before parts are cut.
- OEM-grade components: tinned copper, sealed connectors, marine-rated jackets.