Westinghouse | LM31000 | Circuit Breaker | 1000A | 3-Pole | 600V | 18kA

The Westinghouse LM31000 Circuit Breaker is a rugged, three‑pole protection device designed for demanding 3‑phase power systems. With a labeled rating of 1000A and a maximum system voltage of 600V, it delivers reliable, fast-acting interruption when faults occur, helping protect equipment and maintain uptime in industrial, commercial, and retrofit applications.

Key specifications

• Amperage: 1000A
• Pole configuration: 3‑Pole
• Voltage rating: 600V
• Interrupting capacity: 18kA
• Part reference: LM31000

What makes the LM31000 stand out

• Precise compatibility: The LM31000 part number is the best reference for ensuring a perfect fit in your panel or enclosure, making it an ideal replacement for maintenance, retrofit, or replacement projects.
• 3‑Pole protection for 3‑phase systems: Designed to protect all three conductors in typical 3‑phase power networks, providing balanced protection and coordinated shutdown of the circuit.
• High fault current handling: With an 18kA interrupting rating, it handles heavy fault currents quickly, reducing the risk of equipment damage and shortening outage durations.

Ideal use cases

• Maintenance, retrofit, and replacement in existing electrical panels where exact specifications are required
• Upgrading or replacing 3‑phase feeders in industrial facilities, manufacturing lines, and commercial power systems
• Direct substitution for compatible Westinghouse equipment when the LM31000 is the matching specification

Installation and compatibility tips

Before ordering, verify fit and ratings to ensure seamless integration with your equipment. Use the part number LM31000 as the strongest reference for compatibility, and confirm mounting style, bus connections, and trip characteristics align with your panel requirements.

Practical considerations and safety

• Always power down the circuit and follow proper lockout/tagout procedures before service or replacement.
• Consult your panel’s documentation to confirm that a 3‑pole, 600V, 18kA‑rated device matches the system design and fault current levels.

Choose the Westinghouse LM31000 for a dependable, clearly specified replacement that aligns with your existing equipment and project needs. Its 3‑pole design, 600V rating, and 18kA interrupting capacity offer robust protection for demanding three‑phase power applications, helping you protect assets and maintain continuous operation.