The Schneider Electric Square D FJA34090 is a three-pole molded case circuit breaker designed for robust electrical distribution in demanding industrial environments. This breaker is engineered to operate within a 480Y/277 volt system and is rated for 90 amps, providing reliable protection for critical circuits. Its construction is suitable for panelboard installations and switchgear applications where consistent performance is paramount.

Technical details

• Series: Square D FJA
• Type: Molded Case Circuit Breaker (MCCB)
• Number of Poles: 3
• Voltage Rating: 480Y/277 VAC
• Current Rating: 90 Amps
• Interrupting Rating: Verify against manufacturer datasheet for specific AIC rating.
• Terminal Type: Verify against manufacturer datasheet for specific terminal configuration (e.g., lug type).
• Frame Size: Verify against manufacturer datasheet for specific frame size and physical dimensions.

Applications & compatibility

This circuit breaker is commonly utilized in power distribution panels, motor control centers, and electrical switchgear for a variety of industrial machinery. Applications include protecting circuits in manufacturing plants, processing facilities, and infrastructure projects where reliable overcurrent protection is essential for equipment longevity and operational continuity.

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 FJA34090 or contact our technical team for cross-reference assistance with compatible Square D circuit breaker components.