Westinghouse | RK3125L | Circuit Breaker | 125A | 3-Pole | 600V | Bolt-On

Meet the Westinghouse RK3125L Circuit Breaker—a bolt-on, three-pole protection device built for demanding 600V systems. With a 125A rating, this breaker is engineered for reliability in maintenance, retrofit, and replacement projects where exact specifications matter. The part number RK3125L serves as your most dependable compatibility reference, ensuring a precise match to your panel or equipment before you order.

Key specifications

• Amperage: 125A
• Poles: 3-Pole (three-phase)
• Voltage: 600V
• Mounting: Bolt-On

Why this model stands out

• Specifically designed to meet the RK3125L reference, reducing guesswork during replacements and retrofits.
• Bolt-On mounting delivers a secure, vibration-resistant connection that simplifies installation in compatible panels.
• Three-pole configuration provides synchronized protection across all phases, essential for balanced, safe three-phase systems.
• 125A rating strikes a practical balance for mid-range feeders in commercial or light industrial applications.

Ideal use cases

• Panel retrofits and modernization projects where exact RK3125L specs are required.
• Maintenance replacements in existing Westinghouse-compatible distributions and switchgear.
• New installations where a reliable 3-pole, 600V breaker is needed to protect three-phase circuits.

Compatibility and installation notes

Before ordering, confirm fit and ratings to ensure seamless integration with your equipment. The part number RK3125L is the best reference for compatibility, so cross-check this alongside your panel’s current specifications. For installation, use proper bolt-on mounting procedures to secure the device firmly, and verify that the breaker’s ratings align with your system’s voltage and current requirements.