Westinghouse | RKL3125L | Circuit Breaker | 125A | 3-Pole | 600V

The Westinghouse RKL3125L Circuit Breaker is a robust protection device designed for 3‑phase electrical systems. With a 125A rating and a 600V maximum, this 3‑pole breaker provides reliable, coordinated interruption to shield your wiring and equipment from overloads and faults. It’s a practical choice for maintenance, retrofit, and replacement projects where precise compatibility matters.

Key specifications at a glance

• Amperage: 125 A
• Poles: 3‑Pole
• Voltage rating: 600 V
• Part number: RKL3125L
• Use case: Circuit protection for 3‑phase systems in commercial or industrial panels

Why this breaker stands out

• Precisely matched for Westinghouse panels and systems that require the RKL series form factor, ensuring a straightforward retrofit or replacement.
• Three‑pole design protects all three phases simultaneously, promoting balanced protection in 3‑phase distributions.
• Compact, durable construction designed for routine switching and dependable operation in demanding environments.
• Clear identification by part number simplifies ordering and reduces the risk of mismatches during replacement projects.

Ideal use cases

• Maintenance and retrofit projects in commercial or light industrial facilities with 3‑phase 600V service.
• Replacement of aging or failed breakers in Westinghouse or compatible panels that specify the RKL series.
• Upgrading protection for 3‑phase feeders and branch circuits where exact amperage and pole configuration are required.

Fitment, compatibility, and important notes

Before ordering, verify that this part matches your system's requirements. Notes: Confirm fit and ratings before ordering. The part number is the best reference for compatibility, so use RKL3125L as the primary guide when comparing with your panel or enclosure.

Installation and safety considerations

• Ensure power is fully de‑energized and the equipment is properly locked out and tagged before installation.
• Follow manufacturer torque specifications and wiring diagrams to secure all connections.
• Only a qualified electrician should perform replacement to maintain electrical safety and code compliance.