Westinghouse | RLM2400L | Circuit Breaker | 400A | 2-Pole | 600V

Meet the Westinghouse RLM2400L, a rugged 400A, 2-pole circuit breaker designed to protect high-demand electrical systems with precision. Built for maintenance, retrofit, and replacement projects, this unit delivers exact specifications when reliability and compatibility matter most.

Key specifications at a glance

• Amperage: 400A
• Poles: 2-Pole
• Voltage rating: 600V
• Best reference for compatibility: Part number RLM2400L

Why this Westinghouse model stands out

The RLM2400L provides dependable, dual-pole protection for both live conductors in 600V systems, ensuring simultaneous disconnection during faults. Its 400A capacity makes it suitable for demanding commercial and light industrial panels, while the 2-pole design enhances safety and reliability for 240V circuits and higher-voltage distributions. By using the exact part number, you ensure a precise fit and consistent performance within the Westinghouse ecosystem.

Ideal use cases

• Replacement in existing panels where 400A, 2-Pole, 600V specifications match the original equipment
• Retrofits and upgrades in commercial electrical rooms and service panels
• Maintenance swaps to maintain system continuity in high-current applications
• Disconnection devices for safety-critical, high-load circuits in industrial settings

Compatibility and installation considerations

Before ordering, confirm fit and ratings to avoid mismatches. The RLM2400L is best referenced by its part number for compatibility, so verify your panel’s manufacturer specifications and stamped ratings to ensure a seamless replacement or retrofit.

Practical tips for a smooth replacement

• Use the part number RLM2400L as the primary compatibility check when sourcing replacements
• Coordinate with a qualified electrician to verify panel compatibility and safe installation
• Inspect enclosure space and bus-bar alignment to ensure proper seating and operation