Hubbell Marine

Hubbell M5100C7R 100A 480V Female Connector Body

SKU: 1002606 · UPC: 783585510088 · MPN: M5100C7R
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02 · Overview

Hubbell M5100C7R 100A 480V Female Connector Body — Product description

Robust Performance in Harsh Marine Environments

The Hubbell M5100C7R stands out as a premier choice for demanding marine applications, delivering reliable power connections where moisture, corrosion, and heavy use are constant challenges. This 100A 480V female connector body, part of Hubbell's renowned IEC Pin and Sleeve series, ensures secure, watertight connections that keep your electrical systems running smoothly on docks, boats, and industrial waterfront setups.

Engineered with an insulated non-metallic housing and a self-closing gasketed cover, it provides superior protection against environmental hazards, making it ideal for professionals who prioritize safety and longevity in high-stakes settings.

Key Features That Set It Apart

  • Insulated Non-Metallic Housing: Resists corrosion and impact, perfect for saltwater exposure and rough handling.
  • Self-Closing Gasketed Cover: Automatically seals to prevent water ingress, maintaining IP67-level protection even when not mated.
  • Color-Coded Yellow Housing: Quick visual identification in busy marine or industrial environments, reducing setup errors.
  • 4-Pole, 5-Wire Grounding Design: Supports three-phase wye configurations at 277/480V AC, with robust pressure screw terminals for #3 AWG to #1/0 AWG conductors.
  • Wide Temperature Range: Operates reliably from -40°C to 75°C continuous, with impact resistance down to -25°C.

Detailed Technical Specifications

Specification Details
Number of Poles 4-Pole
Temperature Rating Max Continuous: 75°C; Min Continuous: -40°C (no impact), -25°C (with impact)
Amperage & Current Rating 100A
Voltage Rating Three Phase Y 277/480V AC
Connectivity Pressure Screw Terminal
Conductor Range #3 AWG to #1/0 AWG
Wires & Conductors 5-Wire Grounding
Compatible Plug Mates with M5100B7R Male Plug

Why Marine Professionals Trust Hubbell M5100C7R

In marine settings, downtime isn't an option. This connector's marine-grade construction exceeds standard requirements, offering unmatched durability against UV exposure, chemicals, and mechanical stress. The pin and sleeve mechanism provides a positive, twist-lock connection that resists accidental disconnection, even under vibration from engines or waves.

Users report fewer failures compared to generic alternatives, thanks to Hubbell's commitment to precision manufacturing and rigorous testing. It's not just a connector—it's a safeguard for your power distribution system.

Ideal Applications

  • Marina shore power pedestals and boat inlets
  • Commercial vessels and offshore platforms
  • Industrial waterfront facilities requiring high-amperage three-phase power
  • Heavy equipment powering in wet or corrosive areas

Whether you're outfitting a yacht club or a shipyard crane, this female connector body handles the load with ease.

Installation and Maintenance Tips

Installation: Strip conductors to the recommended length, insert into pressure screw terminals, and torque to spec for a gas-tight connection. Always ensure the mating plug is clean and undamaged before connecting. Grounding is critical—verify continuity post-install.

Maintenance: Periodically inspect gaskets for wear, clean contacts with approved solvents, and test for continuity. In salty environments, rinse with fresh water after exposure to extend life.

Following these steps maximizes safety and performance, preventing common issues like overheating or arcing.

Frequently Asked Questions

What makes the Hubbell M5100C7R suitable for marine use?

Its insulated non-metallic housing, self-closing gasketed cover, and corrosion-resistant design provide IP67 protection against water, salt, and impacts, ideal for boats and docks.

What voltage and amperage does the M5100C7R support?

It handles 100A at three-phase wye 277/480V AC, with 4-pole, 5-wire grounding for reliable high-power delivery.

What wire sizes are compatible with this connector?

It accommodates #3 AWG to #1/0 AWG conductors via pressure screw terminals for secure, vibration-resistant connections.

Does it mate with other Hubbell products?

Yes, it pairs seamlessly with the M5100B7R male plug for a twist-lock, watertight fit.

What is the temperature range for operation?

Maximum continuous 75°C, minimum -40°C without impact or -25°C with impact, suiting extreme marine climates.

How do I maintain the gasketed cover?

Inspect regularly for cracks, clean with mild soap, and replace if damaged to preserve watertight integrity.

Is this connector color-coded for safety?

Yes, the yellow housing aids quick identification in low-light or multi-device setups.

Hubbell M5100C7R 5-Wire 100 Amp 480 Volt Female Connector Body

Model: M5100C7R
  • Insulated non-metallic housing
  • Self-closing gasketed cover
  • Color coded housings for easy identification

Heavy Duty Products, IEC Pin and Sleeve Devices, Marine Grade, Female, Connector Body, 100A 3-Phase Wye 277/480V AC, 4-Pole 5-Wire Grounding, Terminal Screws, Yellow

Specifications
Number Of Poles 4
Temperature Rating Maximum Continuous: 75° C; Minimum Continuous: -40° C w/o impact, -25° with impact.
Amperage Rating 100
Connectivity Pressure Screw Terminal
Current Rating 100
Voltage Rating Three Phase Y 277 VAC
Three Phase Y 480 VAC
ConductorRange #3AWG to #1/0AWG
Number Of Wires 5-Wire
Number of Conductors 5-Wire Grounding
Mates with M5100B7R



SKU: NVN-1002606
MPN: M5100C7R
UPC: 783585510088
03 · The numbers

Technical specifications

BrandHubbell Marine
ModelHubbell M5100C7R 100A 480V Female Connector Body
SKU / MFR#1002606

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04 · Before you buy

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05 · Customer voices

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