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Square D RJA36120CU33A - Molded Case Circuit Breaker 1200A 600V

Square D
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Square D RJA36120CU33A is a 3-pole molded case circuit breaker from the Powerpact family, designed for reliable power distribution protection with solid-state LSI (Long Time, Short Time and Instantaneous Trip) functionality. It is rated for 1200A at 600VAC, features a 65kA interrupting capacity at 480V, and utilizes an I-Line style plug-in connection for secure mounting. The breaker measures 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), weighs 52.007 lb, and accommodates wire sizes from 4 x AWG 3/0 to 600 kcmil aluminum/copper or 4 x AWG 3/0 to 500 kcmil copper. It complies with UL, CSA, NEMA, NMX J-266, and IEC 60947-2 standards, with certifications from UL, CSA, and NOM, and operates within a temperature range of -13 to 158 °F (-25 to 70 °C). This circuit breaker is suited for industrial and commercial applications requiring robust overcurrent protection in three-phase systems.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Schneider Electric
  • Family: Powerpact
  • Country of Origin: United States
  • Current Rating: 1200A
  • Voltage Rating: 600VAC
  • Poles: 3
  • Phase: 3
  • Interrupt Rating: 65kA at 480V; 25kA at 600VAC
  • Protection: Solid State
  • Functions: LSI - Long Time, Short Time and Instantaneous Trip
  • Connection: I-Line Style Plug-In
  • Wire Size: 4 x AWG 3/0 to 600 kcmil aluminum/copper; 4 x AWG 3/0 to 500 kcmil copper
  • 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: 52.007 lb
  • Temp Rating: -13 to 158 °F (-25 to 70 °C)
  • Standards: UL, CSA, NEMA, NMX J-266, IEC 60947-2
  • Certification: UL, CSA, NOM
  • HACR Rated
  • Continuous Current Rating: 100%
  • Insulation Voltage: 750V IEC 60947-2
  • Trip Unit: Micrologic 5.0
  • Series/Frame: PowerPact R


Product Identification
  • UPC: 78590183916