Hubbell M5100P7 100A 3 Phase Y 277/480 VAC Watertight Plug - Yellow
SKU HUB-M5100P7
Hubbell M5100P7 watertight plug, 100 A, 3 Phase Y 277/480 VAC.
- Amperage
- 100 A
- Voltage
- 3 Phase Y 277/480 VAC
- Ingress protection
- IP67
- Poles
- 4-Pole
- Color
- Yellow
- Phase
- Three Phase
- Style
- Standard Service
- Wires
- 5-Wire
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 M5100P7 watertight plug, 100 A, 3 Phase Y 277/480 VAC
The Hubbell M5100P7 is a watertight plug. Its published electrical configuration is 100 A, 3 Phase Y 277/480 VAC, 4-Pole, 5-Wire.
Key features
- Amperage: 100 A
- Voltage: 3 Phase Y 277/480 VAC
- Poles: 4-Pole
- Wiring: 5-Wire
- Conductor range: #3 AWG to #1/0 AWG Copper Wire Only
- Connectivity: Pressure Terminal Screws
Application & installation notes
It uses pressure-terminal screw connections for #3 AWG to #1/0 AWG Copper Wire Only conductors. Construction/material: Composite. Hubbell lists IP67 ingress suitability.
Hubbell PD1310 specifies stranded copper conductors in the #3 to #1 AWG range for the covered 100A marine pin-and-sleeve plugs/connectors, with 75 in-lb (8.5 N·m) terminal-screw torque and 15 in-lb (1.75 N·m) cord-clamp torque. Conductors should not be tinned.
Product details
- Amperage
- 100 A
- Voltage
- 3 Phase Y 277/480 VAC
- Ingress protection
- IP67
- Poles
- 4-Pole
- Color
- Yellow
- Phase
- Three Phase
- Style
- Standard Service
- Wires
- 5-Wire
- Series
- Corrosion Resistant
- Function
- Watertight Plug
- Ip Class
- IP67
- Material
- Composite
- Mounting
- Cord Mounted
- Cord Type
- All Portable
- Wire Size
- #3 AWG to #1/0 AWG Copper Wire Only
- 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.