Westinghouse | 505C220G11 | Circuit Breaker | 225A | 3-Pole | 600V | Bolt-On

When your electrical system demands dependable three-phase protection at higher voltages, the Westinghouse 505C220G11 circuit breaker is designed to perform. This bolt-on, 3-pole breaker delivers robust overcurrent protection for 600V systems, making it ideal for maintenance, retrofit, and replacement projects where exact specifications matter.

Key features that matter in the field

• Amperage: 225A continuous rating, suitable for medium-high load feeders and motor circuits.
• Poles: 3-Pole design provides full three-phase protection.
• Voltage rating: 600V for industrial power distribution environments.
• Mounting: Bolt-On construction ensures a secure, vibration-resistant connection and straightforward installation in compatible enclosures.
• Part compatibility: Part number 505C220G11 serves as the best reference for matching this breaker to your panel or equipment. Always confirm fit and ratings before ordering.

Why choose this Westinghouse breaker over other options?

• Designed for compatibility with Westinghouse panels and a range of compatible enclosures, delivering consistent trip characteristics and a predictable replacement workflow.
• With a 225A frame, it handles higher current demands common in manufacturing lines, HVAC systems, and large motor loads, while maintaining precise protection settings.
• The bolt-on mounting provides a rugged, serviceable connection that stands up to field rewiring, maintenance cycles, and rugged environments.

Practical use cases

• Retrofits in aging industrial panels where 505C220G11 is the exact replacement part, preserving electrical distribution reliability.
• New installations in 3-phase 600V distribution networks for equipment like conveyors, presses, and large motor loads.
• Maintenance switching and fault isolation in service panels that require a bolt-on, high-capacity breaker with clear terminations.

Installation notes

• Verify that the panel’s rating and the breaker’s trip characteristics align with your electrical design requirements before installation.
• Reference the part number 505C220G11 to confirm compatibility with your enclosure, bus configuration, and mounting provisions.