Westinghouse | EHB3100LK | Circuit Breaker | 100A | 3-Pole | 480V

For industrial and commercial power systems operating at 480V three-phase, the Westinghouse EHB3100LK circuit breaker delivers dependable protection with precise 100A capacity across three poles. Built to support maintenance, retrofit, and replacement projects, this breaker helps you restore and safeguard critical electrical infrastructure without guesswork.

What makes the Westinghouse EHB3100LK stand out

• Exact specs for reliable replacement: 100A, 3-Pole, 480V exactly matching the requirements of many legacy panels and distribution setups.
• Designed for retrofit and maintenance: Ideal when upgrading or replacing aging protection devices in existing systems to minimize downtime.
• Part-number precision: The EHB3100LK designation is the definitive reference for compatibility, helps you order the right part the first time.

Ideal use cases

• Replacing a worn or failed circuit breaker in a 480V, 3-phase distribution panel.
• Retrofit projects where exact amperage, pole configuration, and voltage rating are critical.
• Maintenance cycles in industrial facilities, manufacturing lines, and data centers that rely on stable 3-phase power protection.

Fit, compatibility, and installation tips

• Before ordering, confirm that your system’s amperage, number of poles, and voltage align with 100A, 3-Pole, and 480V specifications.
• Use part number EHB3100LK as the primary reference to ensure match with your panel and bus arrangement.
• Check panel compatibility and mounting geometry to ensure a seamless fit during replacement or retrofitting.
• Consider your protection strategy: pair this breaker with your existing overcurrent and short-circuit protection plan to maintain system reliability.

Technical snapshot

Amperage: 100A • Poles: 3-Pole • Voltage: 480V • Model: EHB3100LK • Brand: Westinghouse

Whether you’re refreshing an aging panel, performing a scheduled retrofit, or replacing a failed component, the Westinghouse EHB3100LK circuit breaker offers precise compatibility with your 480V, three-phase distribution needs. Rely on its trusted design to protect circuits, minimize downtime, and keep critical loads safeguarded.