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ACP Electrical Fittings MIGB125LS4BC - Circuit Breaker 125A 600V

ACP Electrical Fittings
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ACP Electrical Fittings MIGB125LS4BC is a molded case circuit breaker designed for primary overcurrent and short-circuit protection in industrial power distribution systems. It is rated for 600V AC and 125A continuous current, with a 25kAIC at 480V AC interrupting capacity, housed in a compact 4-pole, 3-phase frame with a thermal-magnetic trip mechanism for precise overload and fault response. The unit features a 120V AC control voltage minimum and maximum, a 60Hz frequency rating, and a NEMA 1 enclosure with a 14-2/0 AWG wire size range, constructed with a steel panel and copper bus for reliable conductivity. It complies with UL 489 and CSA C22.2 No. 5 standards for safety and performance, with an insulation temperature rating of 75°C and an operating temperature maximum of 40°C. This breaker is suitable for motor control centers, switchboards, and panelboards in commercial and industrial facilities requiring robust branch circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, thermal-magnetic trip, steel enclosure, copper bus
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Dimensions: Not specified
  • Standards: UL 489, CSA C22.2 No. 5
  • Applications: Motor control centers, switchboards, panelboards
  • Switch Type: Not specified
  • Configuration: 4-pole, 3-phase
  • Coil Voltage Maximum: 120V AC
  • Temp Rating: 75°C insulation, 40°C operating
  • Shipping Dimensions: Not specified
  • Phase: 3-phase
  • Voltage: 600V AC
  • Amperage: 125A
  • AIC rating: 25kAIC at 480V AC
  • Connection: 14-2/0 AWG wire
  • Poles: 4
  • Protection: Overcurrent, short-circuit
  • Functions: Branch circuit protection
  • Frame Size: Not specified
  • Trip Type: Thermal-magnetic
  • Panel Type: NEMA 1
  • Breaker Type: Molded case
  • Control Voltage Minimum: 120V AC
  • Control Voltage Maximum: 120V AC
  • MCM Size: Not specified
  • Metal Type: Steel
  • Panel Style: Not specified
  • Bus Type: Copper
  • Fuse Class: Not applicable
  • Insulation Temperature: 75°C
  • 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: Panel mount
  • Hz: 60Hz
  • 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: NEMA 1
  • Relay Style: Not specified
  • Coil Voltage Minimum: 120V AC
  • Wire: 14-2/0 AWG
  • Amperage Maximum: 125A
  • Amperage Minimum: Not specified
  • Nema Rating: NEMA 1
  • Switch Style: Not specified
  • Wire Size: 14-2/0 AWG
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Panel mount
  • Terminal Connection: Not specified
  • Frequency Rating: 60Hz
  • Phase Connection: 3-phase
  • Standards: UL 489, CSA C22.2 No. 5
  • Compatible Frames: Not specified
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not specified
  • Breaker Frame: Not specified
  • Current Rating: 125A
  • 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: 40°C
  • Max Clamp Voltage: Not specified
  • On-State Current: Not specified
  • Weight: 5.19 lb


Product Identification
  • UPC: Not specified
  • GTIN: Not specified