Square D FAL320401121 40A 3-Pole 240 V Circuit Breaker

Introducing the Square D FAL320401121 40A 3-Pole 240V Circuit Breaker—a dependable overcurrent protector engineered for demanding electrical setups. With a 40-amp current rating, three poles, and a 240-volt specification, this Square D device is designed to shield 3‑phase or multi‑wire circuits from overloads and short circuits, helping keep equipment and wiring safe.

Key specifications

• Part number: FAL320401121
• Current rating: 40 A
• Poles: 3
• Voltage rating: 240 V

Why this breaker stands out

• Precise protection for 240V circuits: The 40A rating provides robust protection for heavy-load circuits, helping prevent wiring insulation damage and equipment failure.
• Three-pole configuration: Ideal for 3-phase systems or multi-wire branch circuits where all hot conductors require simultaneous protection and disconnection.
• Brand reliability: Square D is known for durable, carefully engineered breakers that deliver consistent performance over time.
• Clear part identification: The exact part number FAL320401121 simplifies ordering and replacement, reducing downtime during maintenance.

Use cases and practical considerations

• Install in electrical panels that support Square D breakers to protect 240V loads such as HVAC equipment, motors, compressors, or large appliances operating on three-phase power.
• In new builds or panel upgrades, this 3-pole 40A breaker provides reliable protection for circuits that require simultaneous disconnection of all hot legs for safety.
• As a straightforward replacement part, it helps streamline service when the FAL320401121 part number is on hand, minimizing downtime.

If you’re selecting a 240V protection solution with a 40A rating and a three-pole design, the Square D FAL320401121 delivers dependable performance, precise specifications, and practical value for professional electrical work. It’s a thoughtful choice for electricians and facilities managers who prioritize clear documentation, durable construction, and reliable circuit protection for critical systems.