Westinghouse KB3250N Circuit Breaker, 250A, 3-Pole, 600V

Meet the Westinghouse KB3250N circuit breaker—a purpose-built solution for industrial electrical service, maintenance, and replacement projects. Engineered to protect three‑phase systems, this unit delivers reliable protection at 250 A in a 3‑Pole configuration for up to 600 V operation.

What sets the KB3250N apart

• Three‑phase protection with a robust 250 A rating, ideal for safeguarding motors, feeders, and distribution circuits in demanding environments.
• Clear compatibility confirmation through the part number KB3250N—use this to verify fit with your panel, switchgear, or distribution setup.
• Industrial-grade build from Westinghouse, known for durable protection components designed to withstand challenging electrical service conditions.

Practical use cases

• New installations in industrial facilities where three‑phase distribution requires reliable overload and fault protection.
• Panel upgrades or modernization projects that require a compatible, high‑capacity 3‑pole breaker.
• Routine maintenance and replacement of aging or non‑performing breakers to restore safe, continuous operation.
• Retrofit in equipment banks or motor control centers that operate at voltages up to 600 V.

How to verify compatibility

• Match the part number KB3250N to your equipment documentation to confirm fit.
• Ensure your system voltage aligns with the unit’s 600 V rating and that your application requires a 3‑pole configuration.
• Confirm the circuit load and protection needs are addressed by the 250 A amperage rating.

Need help confirming compatibility or selecting the right component for your application? Send us a message and our team will assist with part‑number validation and suitability checks.