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Square D RGA36100CU44A - Molded Case Breaker 1000A 600V

Square D
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The Square D RGA36100CU44A is a 3-pole molded case circuit breaker from the Powerpact family, designed for solid-state LSIG protection (Long-Time, Short-Time, Instantaneous, and Ground Fault) in industrial power distribution systems. It is rated for 1000A at 600VAC, with a 35kA interrupting capacity at 480VAC, and operates on a 3-phase system. This R Frame breaker measures 16.24 in x 16.54 in x 14.49 in (H x W x D), weighs 67.682 lb, and features an I-Line style plug-in connection, accepting 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 additional NOM certification. Typical applications include main or feeder protection in switchboards, panelboards, and industrial control panels requiring precise ground fault and time-current coordination.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Solid State Trip, LSIG 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: Main or feeder protection in switchboards, panelboards, industrial control panels
  • Switch Type: I-Line Style Plug-In
  • Configuration: 3-Pole
  • Coil Voltage Maximum: Not applicable (solid state trip)
  • Temp Rating: Not specified
  • Shipping Dimensions: 16.24 in x 16.54 in x 14.49 in
  • Phase: 3
  • Voltage: 600V
  • Amperage: 1000A
  • AIC rating: 35kA@480V
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Solid State LSIG
  • Functions: Long-Time, Short-Time, Instantaneous, Ground Fault
  • Frame Size: R Frame
  • Trip Type: Solid State
  • Panel Type: Not specified
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: 600 kcmil max (aluminum/copper), 500 kcmil max (copper)
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • 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 Plug-In
  • Hz: Not specified
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: 1000A
  • Dist Voltage: Not specified
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: 1000A
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • 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: I-Line Plug-In
  • 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 Plug-In
  • Terminal Connection: I-Line
  • Frequency Rating: Not specified
  • Phase Connection: 3-Phase
  • Standards: UL, CSA, NEMA, NMX J-266, IEC 60947-2
  • Compatible Frames: R Frame
  • Installation Type: Plug-In
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: R Frame
  • Current Rating: 1000A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not specified
  • Peak Pulse Current: Not applicable
  • Breakdown Voltage (MIN VBR@IT ) (V): Not applicable
  • Breakdown Voltage (VBR@IT) (V): Not applicable
  • Polarity: Not applicable
  • Operating Temperature Maximum Celsius: Not specified
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 060648628691
  • GTIN: 03606486286913