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CR123C026A - Molded Case Circuit Breaker 100A 600V AC

United Fuses
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CR123C026A is a high-capacity circuit breaker designed for overcurrent protection in industrial power distribution systems. It operates at a rated voltage of 600V AC and carries a continuous current rating of 100A, with a robust interrupting capacity of 25kA at 480V AC. The unit features a compact molded case construction, weighing 5.19 lb, with dimensions of 4.0 inches in height, 2.5 inches in width, and 3.0 inches in depth, utilizing a thermal-magnetic trip mechanism for precise overload and short-circuit response. It complies with UL 489 and CSA C22.2 No. 5 standards, ensuring reliable performance in demanding environments. Typical applications include motor control centers, panelboards, and industrial machinery requiring branch circuit protection.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip, 3-pole configuration
  • Voltage Rating: 600V AC
  • Current Rating: 100A
  • Dimensions: 4.0 in H x 2.5 in W x 3.0 in D
  • Standards: UL 489, CSA C22.2 No. 5
  • Applications: Motor control centers, panelboards, industrial machinery
  • Switch Type: Toggle handle
  • Configuration: 3-pole, 3-phase
  • Coil Voltage Maximum: 600V AC
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 5.0 in x 3.5 in x 4.0 in
  • Phase: 3-phase
  • Voltage: 600V AC
  • Amperage: 100A
  • AIC rating: 25kA at 480V AC
  • Connection: Line and load lugs
  • Poles: 3
  • Protection: Overcurrent and short-circuit
  • Functions: Overload and short-circuit protection
  • Frame Size: 100A frame
  • Trip Type: Thermal-magnetic
  • Panel Type: Industrial panelboard
  • Breaker Type: Molded case
  • Control Voltage Minimum: 0V
  • Control Voltage Maximum: 600V AC
  • MCM Size: Not applicable
  • Metal Type: Steel enclosure
  • Panel Style: Flush mount
  • Bus Type: Copper
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C
  • Inductance: Not applicable
  • Impedance: Not applicable
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Panel mount
  • Hz: 50/60 Hz
  • Coil Material: Copper
  • Horse Power: 50 HP at 480V
  • Aux Contacts: 1 NO/NC
  • CPT: Not included
  • Full Load Amps: 100A
  • Dist Voltage: 600V AC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 100A
  • Full Load Amp Minimum: 0A
  • Enclosure: NEMA 1
  • Relay Style: Not applicable
  • Coil Voltage Minimum: 0V
  • Wire: Copper
  • Amperage Maximum: 100A
  • Amperage Minimum: 0A
  • Nema Rating: NEMA 1
  • Switch Style: Toggle
  • Wire Size: 14 AWG to 2 AWG
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Panel mount
  • Terminal Connection: Screw lugs
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489, CSA C22.2 No. 5
  • Compatible Frames: 100A frame
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: 100A
  • Current Rating: 100A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not applicable
  • 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: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: Not available
  • GTIN: Not available