The Schneider Electric Square D FJA34045 is a molded case circuit breaker designed for reliable electrical distribution in demanding industrial environments. As part of the FJA series, this 3-pole breaker provides essential thermal-magnetic protection for circuits operating at 480Y/277V. Its robust construction ensures dependable performance in applications requiring precise current interruption and system safety.

Technical details

• Series: Square D FJA
• Type: Molded Case Circuit Breaker
• Poles: 3
• Voltage Rating: 480Y/277V AC
• Current Rating: 45 Amps
• Protection Type: Thermal-Magnetic
• Interrupting Rating: To be confirmed by datasheet; standard for this series typically ranges from 10kA to 25kA at 480V.
• Terminal Type: Lug terminals, suitable for wire termination.

Applications & compatibility

This FJA series circuit breaker is commonly employed in motor control centers, power distribution panels, and machine tool applications. It is suitable for protecting circuits in manufacturing plants, processing facilities, and building services where reliable overcurrent protection is critical. The 45-amp rating makes it ideal for medium-sized motor loads or branch circuit protection.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider Electric Square D FJA34045 or contact our technical team for cross-reference assistance with compatible Square D components.