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Square D PLA34120U33A - Molded Case Breaker 1200A 480V 3P

Square D
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Square D PLA34120U33A is a molded case circuit breaker designed for providing robust overcurrent and short-circuit protection in demanding three-phase industrial power distribution systems. It features a 1200A current rating and a 480V AC voltage rating, housed within a compact P-frame measuring 410.46 mm H x 210.06 mm W x 204.47 mm D and weighing 32 lb. This solid-state trip unit breaker complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards, ensuring reliable operation in environments from -2 to 70 °C. Its I-Line style plug-in connection and LSI (Long-Time, Short-Time, Instantaneous) protection functions make it suitable for main feeder and branch circuit protection in industrial plants, data centers, and large commercial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Solid State Trip Unit (PLA)
  • Voltage Rating: 480V AC
  • Current Rating: 1200A
  • Frame Size: P Frame
  • Poles: 3
  • Phase: 3-Phase
  • AIC Rating: 100kA at 480V
  • Connection: I-Line Style Plug-In
  • Protection Functions: LSI (Long-Time, Short-Time, Instantaneous)
  • Wire Size: 4 x AWG 3/0 to 500 kcmil (Aluminium/Copper)
  • Standards & Certification: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Operating Temperature: -2 to 70 °C (28 to 158 °F)
  • Dimensions: 410.46 mm H x 210.06 mm W x 204.47 mm D (16.16 in x 8.27 in x 8.05 in)
  • Weight: 32 lb
  • Family: Powerpact
  • Country of Origin: United States


Product Identification
  • UPC: 762179036777