Westinghouse | RFA3100 | Circuit Breaker | 100A | 3-Pole | 600V | Bolt-On

When your electrical panel calls for reliable three‑phase protection, the Westinghouse RFA3100 Circuit Breaker steps up to the task. This 100A, 3‑Pole, 600V bolt‑on breaker is engineered for demanding environments, delivering dependable overcurrent protection and straightforward field installation that minimizes downtime during maintenance or upgrades.

Key specifications at a glance

• Amperage: 100 A
• Poles: 3‑Pole (three‑phase)
• Voltage: 600 V
• Mounting: Bolt‑On

What makes the RFA3100 stand out

Designed specifically for maintenance, retrofit, and replacement projects where matching specs matters, the RFA3100 prioritizes compatibility and reliability. The part number is the best reference for ensuring a correct fit in compatible Westinghouse panels or assemblies, giving you confidence during inventory and service planning.

Why this matters for your project

• Exact‑fit replacement: Use the RFA3100 when your system requires 100 A, 3‑Pole, 600 V bolt‑on protection to restore original electrical performance.
• Efficient maintenance: Bolt‑on mounting enables quicker installation and reduced service downtime.
• Three‑phase safety: Protects each leg of a 3‑phase circuit, helping prevent overcurrent conditions and keeping equipment safer.

Practical tips for a smooth installation

Before ordering, verify that the RFA3100 matches your panel’s ratings and bus configuration. Rely on the part number as the most dependable compatibility reference. For best results, have your panel model and circuit requirements on hand to confirm this bolt‑on unit is the correct upgrade or replacement.

Who should consider this breaker

Ideal for facilities with 3‑phase equipment—such as motors, compressors, conveyors, and other heavy machinery—that demand reliable protection up to 600 V. It’s a solid choice for electrical contractors performing panel retrofits or stocking spare parts for service fleets, ensuring rapid response when protection is needed.