Westinghouse | RLM2125 | Circuit Breaker | 125A | 2-Pole | 600V | Bolt-On

Meet the Westinghouse RLM2125 Circuit Breaker—a purpose-built protective device engineered for reliability in 125-amp, 2-pole, 600-volt applications. This bolt-on breaker is designed for maintenance, retrofit, and replacement projects where exact specifications matter, making it a trusted choice for upgrading or restoring critical electrical circuits. The part number RLM2125 is your best reference for compatibility, so double-check fit and ratings before ordering.

Key specifications

• Amperage: 125 A
• Poles: 2-Pole
• Voltage rating: 600 V
• Mounting type: Bolt-On

What makes this breaker valuable

The RLM2125 is purpose-built to drop into compatible Westinghouse panels and enclosures that require a 125A, 2-pole, 600V bolt-on protection device. Its bolt-on mounting delivers a secure mechanical connection to the bus bar, promoting consistent electrical contact and resilience against vibration in demanding environments. This is a deliberate choice for installations where a robust, serviceable protective device is essential.

Ideal use cases

• Maintenance and service of legacy Westinghouse panels that specify the RLM2125
• Retrofits to upgrade protection without changing wiring paths or panel infrastructure
• Replacement for worn or failed breakers in compatible 2-pole, 600V circuits
• Industrial and commercial settings needing reliable 125A, 2-pole protection

Fit and compatibility

Before ordering, confirm that your panel supports a bolt-on 125A, 2-pole, 600V device and that the RLM2125 matches the original part number for correct trip characteristics and connector geometry. Verifying compatibility at the outset reduces downtime and ensures seamless integration with existing equipment.

Installation notes

• Power down the system and follow lockout/tagout procedures prior to replacement
• Use the appropriate mounting hardware and adhere to panel manufacturer torque specifications
• Ensure all wiring and bus connections are clean, dry, and properly secured for optimal performance

Why choose Westinghouse

Westinghouse combines decades of electrical protection expertise with a focus on dependable, field-friendly designs. The RLM2125 delivers secure bolt-on mounting, clear compatibility with 125A, 2-pole, 600V circuits, and a straightforward path to reliable circuit protection in both retrofits and maintenance scenarios.