Westinghouse | RF3040L | Circuit Breaker | 40A | 3-Pole | 600V

Westinghouse RF3040L circuit breaker delivers essential overcurrent protection for three‑phase power systems. With a robust 40A rating across 3 poles and a 600V operating envelope, this breaker is engineered to safeguard motors, pumps, and control panels in demanding commercial and light industrial environments.

Ideal for maintenance, retrofit, and replacement projects where exact specifications matter, the RF3040L ensures you can match your existing equipment without guesswork. Its three‑pole design provides comprehensive protection across all phases, helping prevent equipment damage and unplanned downtime.

Key specifications

• Amperage: 40A
• Poles: 3‑Pole
• Voltage: 600V
• Part number: RF3040L

Why this model stands out

• Direct compatibility for retrofit or replacement where a 3‑pole, 40A, 600V protector is required, reducing downtime and misfits.
• Clear, dependable performance across three phases helps protect motors and control circuits from overloads and short circuits.
• Designed to integrate with existing panel architectures that specify the RF3040L, making the part the most reliable reference for compatibility.

Ideal use cases

• Replacing a failed or worn circuit breaker in three‑phase machinery and equipment.
• Retrofitting older panels to meet current protection requirements without overhauling the entire electrical cabinet.
• Maintenance shut‑downs and routine servicing where a precise 40A, 3‑pole, 600V breaker is needed.
• Panel modernization projects in commercial facilities, factories, or workshop environments that run three‑phase loads up to 40A.

Installation and best practices

• Always power down and lockout before handling breakers. Verify that your panel supports 600V systems and the 3‑pole configuration.
• Double‑check the fit against the panel’s compatibility notes—the RF3040L part number is the best reference for ensuring a proper match.
• If you're replacing an aging unit, compare the trip curve and mounting style to maintain consistent protection characteristics and handling of your circuit loads.
• For professional results, enlist a licensed electrician to perform installation and ensure all wiring and clearances comply with local electrical codes.

Choosing the Westinghouse RF3040L means prioritizing reliability and precise compatibility for your three‑phase protection needs. Whether you’re upgrading an aging panel, performing a targeted retrofit, or replacing a failed component, this 40A, 3‑pole, 600V breaker helps you maintain smooth operation and dependable electrical safety.