Westinghouse | 504C743G04 | Circuit Breaker | 3-Pole | 600V | Bolt-On

Meet the Westinghouse 504C743G04 circuit breaker—a robust 3-pole, 600V bolt-on unit designed for serious electrical demands. Built for maintenance, retrofit, and replacement projects where exact specifications matter, this breaker helps keep three-phase systems protected and running smoothly.

Key specifications

• Poles: 3-Pole
• Voltage rating: 600V
• Mounting: Bolt-On
• Part reference: 504C743G04

Why this breaker stands out

• Designed specifically for 3-phase electrical distributions, ensuring coordinated protection across all legs in up to 600V systems.
• bolt-on mounting provides a secure, durable fit in compatible panels, reducing the risk of loose connections and vibration-related issues.
• Ideal for maintenance, retrofit, and replacement scenarios where matching the exact part number is critical for safety and performance.
• Clear compatibility guidance: use the 504C743G04 part number as the best reference when confirming fit with your panel or enclosure.

Optimal use cases

• Retrofit projects in commercial or light-industrial panels needing a reliable 3-pole, 600V protection device.
• Maintenance cycles where a direct, spec-matched replacement minimizes downtime and preserves system behavior.
• Panel upgrades that require bolt-on mounting compatibility to secure robust electrical protection.

Installation and compatibility tips

Before ordering, confirm fit and ratings for your specific panel. The part number 504C743G04 is the most reliable reference to ensure compatibility, so compare it against your panel’s labeling and documentation. When installing, follow standard electrical safety practices and panel manufacturer guidelines to ensure secure mounting and proper electrical contact.

Frequently considered questions

What does 3-pole mean for my system? It provides protective coverage across all three phases in a three-phase electrical setup, which is essential for balanced load and consistent protection.

Is this suitable for my 600V panel? Yes, this unit is rated for up to 600V and is intended for bolt-on installation in compatible panels. Always verify the panel’s compatibility with the 504C743G04 part number before ordering.