Hubbell HBL303INT 30A Replacement Device Interior - Black
SKU HUB-HBL303INT
Hubbell HBL303INT replacement device interior, 30 A, Black.
- Color
- Black
- Poles
- 2-Pole
- Wires
- 3-Wire Grounding
- Amperage
- 30 A
- Material
- Thermoplastic
- Mounting
- Screw Mounting
- Wire Size
- #12 AWG to #10 AWG
- Nema Rating
- L5-30P
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 HBL303INT replacement device interior, 30 A, Black
The Hubbell HBL303INT is a replacement device interior. Its published electrical configuration is 30 A, 2-Pole, 3-Wire Grounding.
Key features
- Amperage: 30 A
- Poles: 2-Pole
- Wiring: 3-Wire Grounding
- Conductor range: #12 AWG to #10 AWG
- Connectivity: Pressure Terminal Screws
- NEMA: L5-30P
Application & installation notes
It uses pressure-terminal screw connections for #12 AWG to #10 AWG conductors. Construction/material: Thermoplastic. Published environmental condition: Watertight.
Product details
- Color
- Black
- Poles
- 2-Pole
- Wires
- 3-Wire Grounding
- Amperage
- 30 A
- Material
- Thermoplastic
- Mounting
- Screw Mounting
- Wire Size
- #12 AWG to #10 AWG
- Nema Rating
- L5-30P
- 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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Have you used this product in a project? Send us photos of your install for consideration in our project gallery.
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.