Square D | FA22045AC | Circuit Breaker | 45A | 2-Pole | 240V

The Square D FA22045AC circuit breaker is a precise 45A, 2-pole, 240V safety device designed for reliability in electrical panels. It delivers coordinated disconnection on both hot legs, safeguarding 240V circuits from overloads and faults.

Designed for maintenance, retrofit, and replacement projects, this unit offers a straightforward path to restore protection without changing panel hardware.

Key specifications

• Amperage: 45A
• Poles: 2-Pole
• Voltage: 240V
• Part number: FA22045AC
• Type: Circuit Breaker

Why this FA22045AC is a standout choice

Choosing the exact FA22045AC ensures compatibility with Square D panels and existing protective hardware. The 2-pole design provides simultaneous de-energization of both lines in a 240V circuit, a critical safety feature for high-load appliances and equipment. Trustworthy, durable construction reflects Square D’s engineering approach to reliable, long-lasting electrical protection.

Ideal use cases

• Maintenance and retrofit projects where a precise 240V, 45A, 2-pole breaker is required
• Replacement in residential or light commercial panels serving 240V circuits
• Protection for large loads such as HVAC equipment, water heaters, or other 240V appliances

Compatibility and installation tips

Before ordering, confirm fit and ratings for your specific panel. The FA22045AC part number is your best reference for compatibility. When installing, follow all panel manufacturer instructions and local electrical codes. Ensure the breaker is seated firmly and the overall load distribution remains balanced in the panel. If you’re upgrading from a 1-pole device or switching to a 2-pole configuration, plan for any affected circuit wiring and labeling to maintain clear, safe operation.

With the FA22045AC in your toolbox, you gain a dependable, code-compliant solution for protecting essential 240V circuits.