Westinghouse | 504C740G26 | Circuit Breaker | 300A | 3-Pole | 600V | Bolt-On

The Westinghouse 504C740G26 circuit breaker is a bolt-on, three-pole protector designed for dependable 600V power distribution. With a robust 300A rating, it provides reliable protection for demanding three-phase circuits, helping keep equipment and personnel safe while minimizing unplanned downtime.

Designed for maintenance, retrofit, and replacement needs, this breaker aligns with systems that require exact specifications. The part number 504C740G26 serves as the most reliable reference for compatibility, making it easier to identify the right component for your panel without guesswork.

Key specifications

• Amperage: 300A
• Poles: 3-Pole
• Voltage: 600V
• Mounting: Bolt-On
• Part Number: 504C740G26

Why this Westinghouse breaker stands out

• Secure, bolt-on mounting for a durable, vibration-resistant installation in industrial panels.
• Precise compatibility: the 504C740G26 designation is the best reference when matching breakers to existing Westinghouse panels and configurations.
• Three-pole design ensures simultaneous disconnection of all phases, promoting safer fault clearing in 3‑phase distribution networks.
• High-current protection within a compact form factor, ideal for retrofits or upgrades in legacy electrical systems.

Ideal use cases

Perfect for upgrading or refurbishing service panels in manufacturing lines, processing plants, and large commercial/installations where three-phase protection at 600V is required. It’s also a solid replacement option when maintaining legacy Westinghouse distribution gear that uses bolt-on breakers—keeping downtime to a minimum with a straightforward, compatible part.

How to verify compatibility

Before ordering, confirm fit and ratings to ensure a seamless match with your panel. Use the part number 504C740G26 as the primary compatibility reference, and verify that your system operates at 600V with three poles and a bolt-on mounting arrangement.