Square D | FAP34040 | Circuit Breaker | 40A | 3-Pole | 480V

The Square D FAP34040 circuit breaker is a purpose-built 40-amp, 3-pole device crafted for 480V three-phase systems. Engineered for demanding maintenance, retrofit, and replacement projects, it delivers dependable overcurrent protection when uptime matters most.

Key details at a glance: 40A amperage, 3-Pole, 480V voltage, and the exact part number FAP34040. Note: Confirm fit and ratings before ordering—the part number is the most reliable reference for compatibility.

Why this Square D breaker stands out

• Precise fit for 480V three-phase panels, delivering compatible trip characteristics and mounting geometry for industrial installations.
• 40A protection keeps motors, drives, and circuitry safeguarded while allowing normal startup and operation in demanding environments.
• Designed for maintenance, retrofit, and replacement workflows, minimizing downtime with an exact specification match to FAP34040.
• Reliably sourced from Square D, using the correct part number to ensure consistency, traceability, and straightforward procurement.

Ideal use cases

• Maintenance and service of existing 480V 3-phase switchgear and motor control centers.
• Retrofits where an aging breaker must be replaced with an exact 40A, 3-pole, 480V equivalent.
• Panel modernization in manufacturing, processing, and material-handling facilities that rely on stable 480V distribution.

Compatibility and installation considerations

To ensure seamless integration, verify these before purchasing:

• Your system operates on 480V 3-phase and requires a 3-pole protective device.
• The exact reference is FAP34040; use the part number to confirm compatibility with your panel or bus assembly.
• Consult your panel’s documentation to ensure the amp rating and trip characteristics align with your load profile and safety requirements.

Practical tips for getting the most from this breaker

• Keep a spare FAP34040 on hand for planned maintenance and rapid swap-outs, reducing downtime during critical service windows.
• When ordering, search by the part number to avoid model-number ambiguities across Square D products.
• Store breakers in their original packaging to preserve labeling and ensure easy traceability for future service needs.