Hubbell HBL503SS 50A 125 VAC Marine Shore Power Inlet - Stainless
SKU HUB-HBL503SS
Hubbell HBL503SS marine shore power inlet, 50 A, 125 VAC.
- Amperage
- 50 A
- Voltage
- 125 VAC
- Ingress protection
- IP56
- Poles
- 2-Pole
- Color
- Stainless
- Phase
- Single Phase
- Wires
- 3-Wire Grounding
- Ip Class
- IP56
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 HBL503SS marine shore power inlet, 50 A, 125 VAC
The Hubbell HBL503SS is a marine shore power inlet. Its published electrical configuration is 50 A, 125 VAC, 2-Pole, 3-Wire Grounding.
Key features
- Amperage: 50 A
- Voltage: 125 VAC
- Poles: 2-Pole
- Wiring: 3-Wire Grounding
- Conductor range: #6 AWG
- Connectivity: Pressure Terminal Screws
Application & installation notes
It uses pressure-terminal screw connections for #6 AWG conductors. Construction/material: Thermoplastic. Hubbell lists IP56 ingress suitability.
Product details
- Amperage
- 50 A
- Voltage
- 125 VAC
- Ingress protection
- IP56
- Poles
- 2-Pole
- Color
- Stainless
- Phase
- Single Phase
- Wires
- 3-Wire Grounding
- Ip Class
- IP56
- Material
- Thermoplastic
- Mounting
- Screw Mounting
- Wire Size
- #6 AWG
- Nema Rating
- Non-NEMA
- Connectivity
- Pressure Terminal Screws
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.