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Square D RJA36100CU31A - Molded Case Breaker 1000A 600V

Square D
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The Square D RJA36100CU31A is a Powerpact molded case circuit breaker from Schneider Electric, designed to provide solid-state protection for industrial power distribution systems. This three-pole unit is rated for 1000A at 600VAC, with an interrupting capacity of 65kA at 480V, and features LI (Long-Time and Instantaneous) trip functions for precise overcurrent protection. 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, weighing 52.001 lb, and utilizes an I-Line style plug-in connection for secure mounting. It complies with UL, CSA, NEMA, NMX J-266, and IEC 60947-2 standards, with additional certification from NOM, and accepts wire sizes from 4 x AWG 3/0 to 600 kcmil for aluminum/copper or 4 x AWG 3/0 to 500 kcmil for copper. This breaker is typically applied in commercial and industrial settings requiring high-current, three-phase circuit protection with solid-state trip reliability.

Key Features & Specifications
  • Type: Powerpact RJA molded case circuit breaker with solid-state protection
  • Voltage Rating: 600VAC
  • Current Rating: 1000A
  • 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)
  • Standards: UL, CSA, NEMA, NMX J-266, IEC 60947-2
  • Applications: Industrial power distribution, high-current three-phase systems
  • Switch Type: Molded case circuit breaker
  • Configuration: I-Line style plug-in
  • Coil Voltage Maximum: Not specified
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 600V
  • Amperage: 1000A
  • AIC rating: 65kA@480V
  • Connection: I-Line style plug-in
  • Poles: 3
  • Protection: Solid state
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: Not specified
  • Trip Type: Solid state
  • Panel Type: Not specified
  • Breaker Type: Molded case
  • Control Voltage Minimum: Not specified
  • Control Voltage Maximum: Not specified
  • MCM Size: 600 kcmil aluminum/copper, 500 kcmil copper
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not specified
  • Insulation Temperature: Not specified
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not specified
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not specified
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: I-Line style plug-in
  • Hz: Not specified
  • Coil Material: Not specified
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not specified
  • Coil Voltage Minimum: Not specified
  • Wire: 4 x AWG 3/0 to 600 kcmil aluminum/copper, 4 x AWG 3/0 to 500 kcmil copper
  • Amperage Maximum: 1000A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Molded case
  • Wire Size: 4 x AWG 3/0 to 600 kcmil aluminum/copper, 4 x AWG 3/0 to 500 kcmil copper
  • Certification: UL, CSA, NOM
  • Circuit Breaker Mounting Style: I-Line style plug-in
  • Terminal Connection: I-Line style plug-in
  • Frequency Rating: Not specified
  • Phase Connection: 3-phase
  • Standards: UL, CSA, NEMA, NMX J-266, IEC 60947-2
  • Compatible Frames: Not specified
  • Installation Type: I-Line style plug-in
  • Item QTY: Not specified
  • Nema Starter Size: Not specified
  • Breaker Frame: Not specified
  • Current Rating: 1000A
  • Reverse Standoff Voltage: Not specified
  • Watts: Not specified
  • Peak Pulse Current: Not specified
  • Breakdown Voltage (MIN VBR@IT ) (V): Not specified
  • Breakdown Voltage (VBR@IT) (V): Not specified
  • Polarity: Not specified
  • Operating Temperature Maximum Celsius: Not specified
  • Max Clamp Voltage: Not specified
  • On-State Current: Not specified


Product Identification
  • UPC: 785901912651
  • GTIN: 00785901912651