Westinghouse | RFA3110L | Circuit Breaker | 110A | 3-Pole | 600V

Meet the Westinghouse RFA3110L Circuit Breaker, a purpose-built three-pole protective device designed for demanding 3-phase applications. With a 110A current rating and a 600V maximum, it delivers dependable overcurrent protection for commercial and light industrial panels, helping to safeguard motors, transformers, and feeders from faults and overloads.

Key details at a glance

• Amperage: 110A
• Poles: 3-Pole
• Voltage: 600V
• Part number: RFA3110L
• Application: Circuit protection for 3-phase systems, suitable for maintenance, retrofit, and replacement

Why this three-pole breaker matters

The three-pole design provides synchronized protection across all three phases in a 3-phase network, reducing the risk of phase imbalances and unwanted trips. The 110A rating is well-suited for circuits that demand solid, reliable protection without compromising performance. And because the part number RFA3110L is the best reference for compatibility, you can confidently pair this breaker with panels and equipment that match these specifications.

Ideal use cases

• Retrofit projects in commercial or light industrial panels that serve 3-phase equipment
• Maintenance or replacement of aging protection devices in existing 600V systems
• New installations for feeders, motors, or transformers operating within a 600V, 110A profile

Compatibility and ordering tips

Before ordering, verify the fit and ratings align with your panel’s requirements. The RFA3110L is best referenced by its part number for compatibility, so cross-check it against your equipment’s specifications to ensure seamless replacement and ongoing protection.

Installation and safety notes

Install and service this circuit breaker following all applicable electrical codes and manufacturer guidelines. For safety and compliance, involve a licensed electrician and shut down power to the panel before any work. Proper torque, enclosure clearance, and mounting alignment are essential for reliable operation.

Choose the Westinghouse RFA3110L when you need a dependable, three-pole 600V circuit protection solution that fits a 110A niche—delivering clear protection for your 3-phase systems with a clear path to compatibility and long-term reliability.