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Square D PLA34040CU63 - MCCB 400A 480V AC 3-Pole

United Fuses
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Square D PLA34040CU63 is a 3-pole molded case circuit breaker designed for reliable power distribution and protection in industrial and commercial applications. It is rated for 400 amperes at 480 volts AC, featuring an electronic trip unit with long-time, short-time, and instantaneous protection functions. The unit weighs 5.19 lb and utilizes a plug-in mounting style within the PowerPact family, ensuring robust construction and easy installation. This circuit breaker is UL listed, meeting stringent safety and performance standards for high-interrupting capacity systems. It is typically used in industrial power panels and commercial electrical distribution systems requiring precise overcurrent protection.

Key Features & Specifications
  • UPC: 762179036579
  • Weight: 5.19 lb
  • Manufacturer: Square D
  • Type: PLA
  • Poles: 3
  • Amperage: 400A
  • Voltage Rating: 480V AC
  • Mounting Type: Plug-In
  • Series/Frame: PowerPact
  • Trip Unit: Electronic with LSI (Long-Time, Short-Time, Instantaneous)
  • Certification: UL Listed


Product Identification
  • UPC: 762179036579