FJA34050 - 50Amp Circuit Breaker

FJA34050 - 50Amp Circuit Breaker

The Square D FJA34050 is a robust 3-pole, 50-amp molded case circuit breaker designed to provide premium protection for 3-phase systems operating at 480Y/277 volts. Known for its exceptional interrupting capacity of up to 100kA at 480VAC, this circuit breaker is a go-to solution for demanding industrial and commercial applications. Featuring an I-Line plug-in design, the FJA34050 ensures seamless installation and easy maintenance, making it a trusted choice for professionals in the field.

Key Features and Benefits

• Thermal-Magnetic Protection: Combines long-time and instantaneous trip functions for enhanced system reliability.
• Durable Frame Type (FJA): Built to withstand the rigors of industrial environments while maintaining performance.
• I-Line Plug-In Design: Simplifies installation and reduces downtime during system maintenance or upgrades.
  

Technical Specifications

• Amperage: 50 Amps
  
• Poles: 3
  
• Interrupting Capacity: 65kA @ 240VAC; 100kA @ 480VAC
  
• Mounting Style: I-Line Plug-In
  
• Frame Type: FJA
  
• Dimensions: 12.00"W x 10.00"L x 8.00"D
  
• Shipping Weight: 8 lbs

Material Compliance and Certifications

• The FJA34050 meets or exceeds all industry standards for safety and quality. It conforms to NETA, UL 1066, UL 489, and ANSI C37 specifications, ensuring reliable performance in any application. Reconditioned units are thoroughly tested to match or exceed original manufacturer tolerances.
  

Suitability

• This circuit breaker is engineered for industrial and commercial settings requiring dependable 3-phase electrical protection. Its high AIC rating, durable frame, and thermal-magnetic functionality make it ideal for applications where reliability and safety are paramount.