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Square D RGA36120CU44A - Molded Case Circuit Breaker 1200A 600V

Square D
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Square D RGA36120CU44A is a Schneider Electric PowerPact R series molded case circuit breaker designed for high-performance power distribution and critical system protection. This 3-pole, 1200A continuous current rated unit operates at 600VAC with a 35kA interrupting capacity at 480VAC and features a solid-state LSIG (Long-Time, Short-Time, Instantaneous and Ground Fault) trip function for precise fault management. The breaker measures 16.24 in (412.50 mm) in height, 16.54 in (420.12 mm) in width, and 14.49 in (368.05 mm) in depth, weighs 52.001 lb, and utilizes an I-Line style plug-in connection for secure busway mounting. It complies with UL, CSA, NEMA, NMX J-266, and IEC 60947-2 standards, with additional certification from NOM, ensuring broad industry acceptance. Typical applications include industrial power distribution, commercial facility protection, and critical power systems requiring dependable overcurrent and ground fault protection.

Key Features & Specifications
  • Type: Molded Case
  • Family: Powerpact
  • Type: RGA
  • Dimensions: 16.24 in (412.50 mm) x 16.54 in (420.12 mm) x 14.49 in (368.05 mm) (Height x Width x Depth)
  • Weight: 52.001 lb
  • Functions: LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: I-Line Style Plug-In
  • Standards: UL, CSA, NEMA, NMX J-266, IEC 60947-2
  • Protection: Solid State
  • Wire Size: 4 x AWG 3/0…600 kcmil aluminium/copper; 4 x AWG 3/0…500 kcmil copper
  • Certification: UL, CSA, NOM
  • AIC rating: 35kA@480V
  • Phase: 3
  • Current Rating: 1200A
  • Interrupting Rating: 18kA at 600VAC
  • Trip Unit: Micrologic 6.0 A electronic
  • Mounting: I-Line busway
  • Continuous Current Rating: 100%
  • Auxiliary and Alarm Switches: Plug-in
  • Voltage Release Option: Yes


Product IDs: RGA36120CU44A