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Square D PLA34040CU63AE1 - Molded Case Breaker 400A 480V 3P (100kA AIC)

Square D
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Square D PLA34040CU63AE1 is a molded case circuit breaker designed for providing robust overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 400A current rating and a 480V AC voltage rating, housed within a compact P-frame measuring 326.64 mm H x 210.06 mm W x 204.47 mm D and weighing 32 lb. The breaker is constructed with solid-state protection and an I-Line style plug-in connection for conductors sized from 3/0 AWG to 500 kcmil, and it complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards. Its 100kA interrupting rating at 480V and LSI (Long-Time, Short-Time, Instantaneous) trip functions make it suitable for protecting feeders and mains in commercial and industrial panelboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Solid State Protection, I-Line Style Plug-In
  • Voltage Rating: 480V AC
  • Current Rating: 400A
  • Dimensions: 326.64 mm H x 210.06 mm W x 204.47 mm D (12.86 in x 8.27 in x 8.05 in)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial Power Distribution, Feeder and Main Protection
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Phase: 3
  • AIC Rating: 100kA @ 480V
  • Connection: Plug-In
  • Poles: 3
  • Protection: Solid State
  • Functions: LSI (Long-Time, Short-Time, Instantaneous)
  • Frame Size: P Frame
  • Wire Size: 3 x AWG 3/0...500 kcmil (Aluminium/Copper)
  • Certification: UL, CSA, NOM
  • Family: Powerpact
  • Country of Origin: United States
  • Weight: 32 lb


Product Identification
  • UPC: 762179036586