Westinghouse | KA2100 | Circuit Breaker | 100A | 2-Pole | 600V | 22kA | Bolt-On

The Westinghouse KA2100 Circuit Breaker is a purpose-built solution for reliable protection in maintenance, retrofit, and replacement projects. Engineered to match exactly what older or compatible panels require, this 100A, 2-pole unit delivers trusted performance in demanding 600V systems while supporting quick, secure installation with bolt-on mounting.

• Amperage: 100A
• Poles: 2-Pole
• Voltage rating: 600V
• Interrupting capacity: 22kA
• Mounting: Bolt-On
• Part reference: KA2100

Why the KA2100 stands out

Unlike generic replacements, the KA2100 is a Westinghouse-specific solution designed to fit panels that require exact specifications. Its 22kA interrupting rating provides robust short-circuit protection for commercial and industrial circuits, while the bolt-on design ensures a solid, vibration-resistant mount that maintains reliable electrical connections over time. This model is ideal for projects where preserving or restoring original panel performance is critical.

Ideal use cases

• Panel retrofits and modernization where a direct KA2100-compatible unit is required
• Maintenance replacements to minimize downtime with a like-for-like part
• Upgrading or protecting 100A circuits in 600V systems within commercial or light industrial environments

How to ensure the perfect fit

For best results, verify fit and ratings before ordering. The KA2100 part number is your primary reference for compatibility. Match this 100A, 2-pole, 600V, 22kA bolt-on breaker to the specific panel manufacturer’s requirements and your system’s short-circuit current rating to ensure safe, compliant operation.

With the Westinghouse KA2100, you get a dependable, field-ready circuit breaker that supports retrofit efficiency, minimizes panel downtime, and helps you maintain precise protection standards for your electrical infrastructure.