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Square D RKF36120U44A - 1200A 3-Pole Molded Case Breaker

Square D
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The Square D RKF36120U44A is a Powerpact molded case circuit breaker designed for primary overcurrent and ground fault protection in industrial power distribution systems. This 3-pole unit is rated for 1200A continuous current at 600VAC, with a solid-state LSIG trip unit providing long-time, short-time, instantaneous, and ground fault protection functions. The breaker features a bolt-on connection style, weighs 52 lb, and is manufactured in the United States. It complies with industry standards and carries an AIC rating of 65kA at 480V, making it suitable for high-fault-current environments. Typical applications include main or feeder protection in switchboards, panelboards, and motor control centers within heavy industrial facilities.

Key Features & Specifications
  • Type: Powerpact Molded Case Circuit Breaker, Solid State Trip
  • Voltage Rating: 600V
  • Current Rating: 1200A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: LSIG (Long-Time, Short-Time, Instantaneous, Ground Fault)
  • AIC Rating: 65kA@480V
  • Weight: 52 lb
  • Country of Origin: United States
  • Family: Powerpact
  • Item Subcategory: Molded Case


Product Identification
  • UPC: 785901002970