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Square D PJA36120U44A - Molded Case Circuit Breaker 1200A 600V

Square D
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Square D PJA36120U44A is a Powerpact P Frame molded case circuit breaker designed for comprehensive protection in three-phase industrial power distribution systems. It provides solid-state LSIG protection—Long-Time, Short-Time, Instantaneous, and Ground Fault—with a 1200A current rating and a 600V voltage rating. The unit features a robust construction with dimensions of 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), a weight of 37.9 lb, and an I-Line style plug-in connection with AL800M23K terminals compatible with 4 x AWG 3/0 to 500 kcmil aluminum or copper conductors. It complies with UL, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards and is rated for operation from -25 to 70 °C (13 to 158 °F). This breaker is typically applied in main and feeder circuit protection where a high interrupting capacity of 65kA at 480V is required.

Key Features & Specifications
  • Type: Powerpact P Frame, Molded Case Circuit Breaker with Solid-State LSIG Protection
  • Voltage Rating: 600V AC
  • Current Rating: 1200A
  • 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: 37.9 lb
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Main & Feeder Protection in Industrial Power Distribution
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Connection: I-Line Style Plug-In
  • Terminal Connection: AL800M23K
  • Wire Size: 4 x AWG 3/0...500 kcmil aluminium/copper
  • Phase: 3
  • AIC Rating: 65kA @ 480V
  • Protection: Solid State (LSIG)
  • Functions: Long-Time, Short-Time, Instantaneous, Ground Fault
  • Frame Size: P Frame
  • Temp Rating: -25 to 70 °C (13 to 158 °F)
  • Certification: UL, CSA, NOM
  • Family: Powerpact
  • Country of Origin: United States


Product Identification
  • UPC: 785901282273
  • GTIN: 00785901282273