Westinghouse | LM31200 | Circuit Breaker | 1200A | 3-Pole | 600V

Westinghouse LM31200 Circuit Breaker is a rugged, high-current protection device designed for demanding industrial and commercial electrical systems. With a 1200A rating across 3 poles and a 600V operating limit, this breaker delivers dependable overcurrent protection for feeders, bus sections, and large-load circuits where uptime matters.

Ideal for maintenance, retrofit, and replacement projects where exact specifications are required, the LM31200 is a trusted choice for equipment configured to this part number. Before ordering, confirm fit and ratings—the part number is the best reference for compatibility.

Key specifications

• Amperage: 1200A
• Poles: 3-Pole
• Voltage: 600V
• Part reference: LM31200 (best for compatibility)

Use cases and compatibility

This circuit breaker is well-suited for replacement in legacy panels, retrofit projects, and service updates where large-load protection is required. It supports equipment designed around the LM31200 configuration, making it a practical choice when matching specs is critical for reliable operation.

What makes the LM31200 stand out

• OEM-aligned compatibility: Specifically from Westinghouse, ensuring alignment with systems built to use LM31200.
• Clear reference for matching: The part number LM31200 serves as the definitive compatibility signal for replacements and retrofits.
• High-current protection: Designed to safely interrupt substantial load currents in 3-pole configurations at 600V.
• Maintenance-friendly choice: Streamlines stock checks and field replacements when updating or servicing large electrical feeders.

To verify a proper fit, compare your equipment label or panel directory to the LM31200's ratings and ensure the installation environment matches the 1200A, 3-Pole, 600V specifications. This ensures seamless replacement and consistent protection performance. Note: Electrical work should be performed by licensed professionals in accordance with local codes and standards. Always de-energize and follow proper lockout/tagout procedures when servicing electrical equipment.