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Square D PJA36120 - Molded Case Circuit Breaker 1200A 600V 3P

Square D
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Square D PJA36120 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial power distribution systems. It features a solid-state trip unit with long-time and instantaneous (LI) protection functions, rated for 1200A at 600V AC and capable of interrupting up to 65kA at 480V. The unit is constructed with a robust P-frame and measures 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), featuring an I-Line style plug-in connection with AL800M23K terminals suitable for 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 engineered for operation in ambient temperatures from -25 to 70 °C (13 to 158 °F). This three-pole breaker is typically applied in main and feeder circuit protection for industrial facilities, data centers, and large commercial buildings.

Key Features & Specifications
  • Type: PJA Series Molded Case Circuit Breaker with Solid-State Trip Unit
  • 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: 36.98 lb
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Main & Feeder Protection for Industrial/Commercial Power Distribution
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: -25 to 70 °C (13 to 158 °F)
  • Phase: 3
  • AIC Rating: 65kA @ 480V
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Solid State
  • Functions: LI (Long-Time & Instantaneous)
  • Frame Size: P Frame
  • Terminal Connection: AL800M23K
  • Wire Size: 4 x AWG 3/0...500 kcmil aluminium/copper
  • Certification: UL, CSA, NOM
  • Family: Powerpact
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901282259
  • GTIN: 00785901282259