Westinghouse | EB3100LK | Circuit Breaker | 100A | 3-Pole | 240V

Protect your 240-volt circuits with the Westinghouse EB3100LK Circuit Breaker — a purpose-built solution for maintenance, retrofit, and replacement in compatible panels. This genuine Westinghouse part is engineered to deliver reliable, predictable trip performance when you need it most, helping to guard your electrical system from overloads and faults.

• Amperage: 100 A — capable of handling substantial branch loads while maintaining protective action.
• Poles: 3-Pole — ideal for 3‑phase or multi‑circuit configurations in compatible panels.
• Voltage: 240 V — designed for standard 240-volt residential/commercial distribution systems.
• Part number: EB3100LK — use this reference to verify exact compatibility with your panel.

Why choose the Westinghouse EB3100LK for your panel?

Unlike generic substitutes, this breaker is a genuine Westinghouse replacement designed to fit and function as intended in systems that require a 3‑pole, 240V, 100A breaker. It provides solid arc-fault protection characteristics suitable for retrofit projects, service upgrades, or replacing worn or obsolete units. With the EB3100LK, you’re opting for a component that aligns with traditional Westinghouse panel ecosystems, helping to minimize fit issues and late-night trips caused by mismatched parts.

Ideal use cases

• Retrofit projects where older breakers need upgrading to 100 A, 3-pole, 240 V specifications.
• Maintenance of compatible Westinghouse panels in commercial or larger residential setups.
• Replacement for failed or degraded breakers in 3-pole 240V circuits that require a precise spec match.

Compatibility, fit, and installation tips

Before ordering, confirm the replacement’s fit and ratings align with your panel. The EB3100LK part number is the best reference for compatibility with your chassis and bus configuration. Installation should be performed by a licensed electrician, with the system de-energized and all local codes followed. Use only in panels rated for 100 A, 3-pole, 240 V operation to ensure proper protection and reliable performance.

With the Westinghouse EB3100LK, you gain a dependable, purpose-built solution that supports safer electrical operation, smoother retrofits, and durable protection for demanding 3‑pole 240V circuits. Add it to your panel today and safeguard your electrical system with a trusted, original Westinghouse component.