Hubbell M4100B12R 100A 125/250V Shore Power Inlet

The Hubbell M4100B12R is a marine-grade shore power inlet designed for reliable 100-amp, 125/250-volt ship-to-shore electrical connections. This 3-pole, 4-wire grounding inlet is built to withstand harsh marine environments while providing safe and dependable power transfer to boats and yachts.

Key Features:

• Durable gray nylon housing provides superior impact resistance and corrosion protection
• Gasketed, spring-loaded cover closes automatically when not in use for weatherproof protection
• IP67-rated watertight seal when securely fastened (withstands temporary immersion)
• Nickel-plated solid brass pins ensure reliable electrical contact in corrosive marine environments
• High-impact thermoset contact carrier resists arcing and high temperatures
• Clearly marked terminals with large identification markings for easy wiring
• Special keying system ensures proper alignment of mating devices
• Raised collar surrounds each phase pin for added protection
• Withstands 3000V AC dielectric voltage for enhanced safety

Installation Specifications:

• Mounting holes: 4.88 inches on centers
• Rear portion diameter: 3.94 inches
• Includes mounting screws and gasket for complete installation

Commonly mounted in cabin sides or cockpit coamings, this UL-listed and ABYC-compliant inlet is part of Hubbell's industry-leading 100-amp marine power system. The rotating, locking cover design provides a weatherproof seal that becomes watertight with a simple turn and lock motion.