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ACP Electrical Fittings MIGB75LS4AC - 75A 4-Pole Molded Case Breaker 600V

ACP Electrical Fittings
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ACP Electrical Fittings MIGB75LS4AC 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 75A continuous current, featuring a compact 4-pole configuration with a 65kAIC interrupting capacity at 480V. The unit weighs 5.19 lb and is constructed with a thermoplastic frame and line/load side lug terminals for secure copper or aluminum conductor connections. This breaker complies with UL 489 and CSA C22.2 standards for safety and performance in commercial and industrial environments. Typical applications include motor control centers, panelboards, and switchboards requiring reliable branch circuit protection.

Key Features & Specifications
  • Type: Molded case circuit breaker, 4-pole, thermal-magnetic trip
  • Voltage Rating: 600V AC
  • Current Rating: 75A
  • Interrupting Capacity: 65kAIC at 480V AC
  • Dimensions: 4.0 x 3.0 x 5.0 inches (approx.)
  • Standards: UL 489, CSA C22.2
  • Applications: Motor control centers, panelboards, switchboards
  • Switch Type: Toggle handle
  • Configuration: 4-pole, 3-phase
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 5.5 x 4.5 x 6.0 inches
  • Phase: 3-phase
  • Voltage: 600V AC
  • Amperage: 75A
  • AIC rating: 65kA at 480V
  • Connection: Line/load side lugs
  • Poles: 4
  • Protection: Overcurrent and short-circuit
  • Functions: Circuit isolation and protection
  • Frame Size: 75A frame
  • Trip Type: Thermal-magnetic
  • Panel Type: Industrial panelboard
  • Breaker Type: Molded case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Up to 2 AWG copper/aluminum
  • Metal Type: Copper alloy contacts
  • Panel Style: Standard
  • Bus Type: Plug-on or bolt-on
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C
  • Inductance: Not specified
  • Impedance: Not specified
  • 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: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not included
  • CPT: Not included
  • Full Load Amps: 75A
  • Dist Voltage: 600V AC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 75A
  • Full Load Amp Minimum: 0A
  • Enclosure: Open style
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Copper/aluminum
  • Amperage Maximum: 75A
  • Amperage Minimum: 0A
  • Nema Rating: 1
  • Switch Style: Toggle
  • Wire Size: 14 AWG to 2 AWG
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Panel mount
  • Terminal Connection: Lug
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: 75A frame
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: 75A
  • Current Rating: 75A
  • 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: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


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