Westinghouse | 505C220G09 | Circuit Breaker | 400A | 2-Pole | 600V

Westinghouse 505C220G09 Circuit Breaker is a rugged, field-replaceable protection device designed to safeguard demanding electrical systems. With a 400A rating on a 2-pole design and a 600V maximum, this unit delivers reliable fault interruption and safe isolation for critical circuits in commercial or industrial panels.

• Amperage: 400 A
• Poles: 2-Pole
• Voltage: 600 V

This circuit breaker is ideal for maintenance, retrofit, and replacement projects where exact compatibility matters. The part number 505C220G09 serves as the most dependable reference to match your existing equipment’s form factor and electrical ratings, helping you avoid misfits and delays.

Key benefits in real-world use:

• Delivers quick, reliable tripping to protect feeders, panels, and downstream circuits from overcurrent faults
• Compatible with systems that require a 2-pole, 400A protection device at up to 600V
• Streamlines replacement workflows by aligning with standard Westinghouse specifications and labeling
• Supports ongoing maintenance programs and electrical upgrades without compromising safety or code compliance

Compatibility and installation tips

• Before ordering, confirm fit and ratings to ensure proper form factor and bus compatibility with your panel or disconnect.
• Use the part number 505C220G09 as your primary reference when cross-checking against existing breakers, schematics, and panel labeling.
• Plan for standard replacement practice: shut off power, verify absence of voltage, and follow manufacturer instructions during installation.

This Westinghouse 505C220G09 circuit breaker is a practical choice for technicians and facilities managers seeking a dependable, specification-matched protection solution that supports ongoing reliability and easier maintenance Schedule intervals.