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Square D PJL36120U33A - 1200A 3-Pole Circuit Breaker

Square D
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The Square D PJL36120U33A is a Powerpact P-frame molded case circuit breaker designed for robust overcurrent protection in demanding three-phase industrial power distribution systems. It features a solid-state trip unit providing long-time, short-time, and instantaneous protection functions, rated for 1200A at 600V with an interrupting capacity of 65kA at 480V. The unit is constructed with a feed-thru connection for 4 conductors ranging from AWG 3/0 to 500 kcmil, housed in a durable enclosure measuring 410.46 mm H x 210.06 mm W x 204.47 mm D and weighing 32 lb. It complies with key industry standards including UL, CSA, NEMA, and IEC 60947-2, and operates reliably across a temperature range of -25 to 70 °C. This breaker is typically applied in industrial main feeders, service entrances, and other critical distribution panels requiring high-current handling and advanced protective coordination.

Key Features & Specifications
  • Type: PJL Series, P-Frame 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: 32 lb
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial Main Feeders, Service Entrances, Power Distribution
  • Phase: 3
  • Poles: 3
  • AIC Rating: 65kA @ 480V
  • Connection: Feed-Thru
  • Protection: Solid State (Long Time, Short Time, Instantaneous Trip)
  • Frame Size: P Frame
  • Trip Type: Solid State
  • Wire Size: 4 x AWG 3/0...500 kcmil (Aluminium/Copper)
  • Certification: UL, CSA, NOM
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Family: Powerpact
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901500100
  • GTIN: 00785901500100