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Square D PGA36040U43A - 400A 600V 3-Pole Circuit Breaker

Square D
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The Square D PGA36040U43A is a Powerpact P-Frame molded case circuit breaker designed to provide reliable overcurrent and short-circuit protection for industrial power distribution systems. It features a solid-state LSI (Long-Time, Short-Time, and Instantaneous) trip unit with a 400A current rating and a 600V voltage rating, housed in a robust 32 lb enclosure measuring 326.64 mm H x 210.06 mm W x 204.47 mm D. This three-pole breaker is compliant with UL, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards, ensuring interoperability and safety. Its I-Line style plug-in connection and 35kA interrupting capacity at 480V make it suitable for protecting feeders and mains in commercial and industrial panelboards.

Key Features & Specifications
  • Type: Powerpact P-Frame, Molded Case Circuit Breaker with Solid-State LSI Protection
  • Voltage Rating: 600V 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)
  • Weight: 32 lb
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Certification: UL, CSA, NOM
  • Phase: 3
  • Poles: 3
  • AIC Rating: 35kA @ 480V
  • Connection: I-Line Style Plug-In
  • Protection: Solid State (LSI - Long-Time, Short-Time, Instantaneous)
  • Functions: LSI
  • Frame Size: P Frame
  • Wire Size: 3 x AWG 3/0...500 kcmil (Aluminium/Copper)
  • Manufacturer: Schneider Electric
  • Country of Origin: United States


Product Identification
  • Model: PGA36040U43A