Square D | FAF36040 | Circuit Breaker | 40A | 3-Pole | 600V

Designed for reliable protection in 3‑phase systems, the Square D FAF36040 circuit breaker provides 40 amps of interruption capability on a 3‑pole assembly, rated up to 600 volts. This unit is purpose-built for maintenance, retrofit, and replacement projects where exact specifications and panel compatibility matter most.

• Amperage: 40 A
• Poles: 3‑Pole
• Voltage rating: 600 V
• Reference: FAF36040 (best compatibility reference)

Compatibility is key for a safe, effective swap. Before ordering, confirm the fit and ratings for your specific Square D panel—the FAF36040 part number is the clearest reference to ensure proper pairing with your enclosure, bus, and accessories. This precision matters when you’re updating legacy equipment or aligning with current protection standards in a 3‑phase setup.

Where this FAF36040 shines

• Ideal for replacing a faulty 3‑phase breaker in motors, pumps, conveyors, and other industrial loads that run on 600V systems.
• Support for retrofit projects that modernize protection while keeping existing panels and wiring intact.
• Peace of mind for maintenance cycles, delivering dependable overcurrent protection for critical equipment.

Why it matters

Choosing the exact part number FAF36040 ensures you’re getting a breaker engineered to fit Square D panels and configurations that require a 3‑pole, 40A, 600V solution. This translates to proper bus alignment, reliable trip performance, and straightforward replacement without modifying the panel or wiring.

Installation and safety notes

For any breaker replacement, de‑energize the system and follow all local electrical codes. Work should be performed by a qualified electrician who can verify panel compatibility, labeling, and torque requirements. Using the FAF36040 as the reference part number helps guarantee you’re selecting a compatible unit for your specific Square D setup.

Whether you’re upgrading an aging panel, conducting routine maintenance, or performing a targeted retrofit, the Square D FAF36040 delivers precise protection for 3‑phase loads up to 600V, helping you safeguard equipment, minimize downtime, and maintain system reliability.