Westinghouse | RKL3400 | Circuit Breaker | 400A | 3-Pole | 600V | Bolt-On

The Westinghouse RKL3400 is a rugged, three‑pole circuit breaker engineered for 400A protection in 600V, three‑phase power systems. With a bolt‑on mounting design, this unit provides a secure, durable fit in compatible panels, making it a reliable choice for maintenance, retrofit, or replacement projects where precise specifications matter.

• Amperage: 400A
• Poles: 3‑Pole
• Voltage: 600V
• Mounting: Bolt‑On
• Part number reference: RKL3400

Important compatibility note: Confirm fit and ratings before ordering. The part number is the best reference for compatibility with your panel and bus configuration.

Ideal use cases

• Maintenance and retrofit of industrial electrical systems that run on 600V, three‑phase power.
• Replacement for damaged or worn breakers in bolt‑on style panels that require a 400A, 3‑pole device.
• Spare part for service teams maintaining Westinghouse equipment and compatible panels.

What makes this breaker stand out

• Secure bolt‑on mounting minimizes installation time and ensures a solid connection under heavy load conditions.
• Dedicated 400A protection for critical 3‑phase circuits, helping prevent equipment damage from overloads and faults.
• Clear reference to the exact part number (RKL3400) simplifies ordering and compatibility checks, reducing downtime.

Practical guidance for your project

• Compare your panel’s bolt‑on footprint and 400A, 3‑pole rating with the RKL3400’s specifications to ensure a proper match.
• Verify that your system operates at or near 600V to guarantee correct interrupting capacity and safe operation.
• Keep this part on hand for future maintenance cycles or panel upgrades to streamline service calls.