Westinghouse | FA3040P | Circuit Breaker | 40A | 3-Pole | 600V | Bolt-On

Meet the Westinghouse FA3040P—a purpose-built bolt-on circuit breaker designed to protect three-phase systems with clarity and reliability. With a 40-amp current rating across 3 poles and a 600V maximum, this breaker is crafted for maintenance, retrofit, and replacement projects where precise specs matter.

• Amperage: 40A
• Poles: 3-Pole
• Voltage: 600V
• Mounting: Bolt-On design for secure, fast installation
• Applications: Maintenance, retrofit, and replacement in compatible panels
• Reference: FA3040P part number is the best compatibility guide

Why this matters: a 3-pole, 40A breaker provides coordinated protection for all three phases in commercial and industrial electrical setups. The bolt-on mounting design simplifies installation and replacement, helping you minimize panel downtime while maintaining robust overload and short-circuit protection for motor drives, compressors, and other three-phase equipment.

Ideal use cases include:

• Upgrading or replacing a failed breaker in compatible Westinghouse panels
• Retrofit projects where a 3-phase, 40A protection scheme is required
• New or modified electrical runs that demand reliable protection for three hot lines at up to 600V

Fit and compatibility guidance (clear and practical): confirm fit and ratings before ordering. The FA3040P part number serves as the most reliable reference for ensuring compatibility with your panel and system. Always verify your panel's bus type, frame, and rating to ensure seamless integration.

Practical installation notes: because this is a bolt-on breaker, ensure the panel is de-energized before mounting, secure the breaker firmly to the bus, and follow your panel manufacturer's torque and installation instructions. This approach helps maintain safety and prolongs the life of both the breaker and the panel.

With its straightforward 40A, 3-pole, 600V specifications, the Westinghouse FA3040P offers a dependable, industry-standard solution for protecting three-phase circuits in a retrofit, maintenance, or replacement scenario. Designed for professionals who value accuracy, reliability, and a clear path to compatibility, it’s a smart choice for keeping your commercial or industrial electrical system safeguarded.