Westinghouse | RJ3100 | Circuit Breaker | 100A | 3-Pole | 600V

The Westinghouse RJ3100 Circuit Breaker delivers reliable protection for 600V, three‑pole electrical systems with a precise 100A rating. Built for maintenance, retrofit, and replacement projects where exact specifications matter, this model is the RJ3100 you rely on when compatibility isn’t optional — it’s essential. Remember: the part number RJ3100 is the clearest reference for matching your existing setup, and you should verify fit and ratings before ordering.

Key specifications

• Amperage: 100A
• Poles: 3‑Pole
• Voltage: 600V

Ideal use cases

• Maintenance on current 3‑pole, 600V electrical installations that require exact spec matching.
• Retrofit projects where upgrading to a 100A, 3‑pole protection device is necessary to meet system demands.
• Replacement in panels and assemblies designed to accept the RJ3100 family of breakers, ensuring seamless integration.

What sets the RJ3100 apart

This breaker isn’t a generic substitute — it’s a deliberately matched component built to align with standard 600V, 3‑pole protection configurations. By prioritizing the RJ3100 part number as the compatibility reference, you reduce the risk of misfit devices and electrical downtime, helping you maintain safe, reliable operation in your distribution system.

Practical guidance for verification

Before ordering, confirm that the panel model and the intended application align with the RJ3100’s specifications. Use the part number RJ3100 as your primary compatibility check to ensure the device will integrate smoothly with your existing equipment and meet your rating requirements.