Westinghouse | 504C336G20 | Circuit Breaker | 20A | 3-Pole | 277V

Meet the Westinghouse 504C336G20 Circuit Breaker—a reliable, three-pole protection device designed for 277V systems in commercial and light-industrial environments. With a 20A rating, this breaker protects three hot legs simultaneously, safeguarding motors, compressors, and lighting circuits from overloads and faults. Built for maintenance, retrofit, and replacement projects, it provides a seamless upgrade path when exact specs are required.

Key advantages of the 504C336G20

• Amperage: 20 A
• Poles: 3-Pole
• Voltage: 277V
• Part number: 504C336G20

What this means for your project

• Optimal protection for 277V three-phase circuits in commercial spaces, including lighting runs and motor-driven equipment.
• Strong fit for replacement and retrofit work where the 504C336G20 reference aligns with your panel or enclosure’s design.
• Direct, no-hassle substitution for compatible Westinghouse panels, helping you maintain consistent performance across all three phases.
• Balanced protection across all poles reduces the risk of uneven fault conditions and promotes safer startup of connected loads.

Important fit and installation notes

Confirm fit and ratings before ordering. The part number is the best reference for compatibility with your existing panel and enclosure. If your system operates on a 3-pole, 277V configuration, this breaker is designed to slot into compatible Westinghouse frameworks without requiring changes to wiring or bus connections.

Ideal for

• Commercial buildings, schools, and light-industrial facilities with 277V three-phase distributions
• Maintenance inventories and service fleets requiring a dependable spare
• Retrofit projects where exact part-number compatibility ensures consistent protection schemes