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ACP Electrical Fittings MIGB400L25AC - 400A 3-Pole MCCB 600VAC

ACP Electrical Fittings
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ACP Electrical Fittings MIGB400L25AC is a molded case circuit breaker designed for primary overcurrent and short-circuit protection in industrial power distribution systems. It is rated for 400A at 600VAC, with a 25kA interrupting capacity at 480VAC, and features a three-pole configuration with a thermal-magnetic trip mechanism for reliable overload and fault response. The unit weighs 5.19 lb and is constructed with a compact frame size for panelboard or switchboard mounting, utilizing copper load-side lugs for secure connections. It complies with UL 489 and CSA standards, ensuring safe operation in commercial and industrial environments. Typical applications include feeder protection in manufacturing plants, data centers, and heavy machinery power circuits.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip, three-pole
  • Voltage Rating: 600VAC
  • Current Rating: 400A
  • AIC Rating: 25kA at 480VAC
  • Dimensions: Compact frame size
  • Standards: UL 489, CSA
  • Applications: Feeder protection in industrial power distribution, manufacturing, data centers
  • Switch Type: Thermal-magnetic
  • Configuration: Three-pole
  • Coil Voltage Maximum: Not specified
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: Three-phase
  • Voltage: 600VAC
  • Amperage: 400A
  • Connection: Copper load-side lugs
  • Poles: 3
  • Protection: Overcurrent, short-circuit
  • Functions: Overload and fault protection
  • Frame Size: Compact
  • Trip Type: Thermal-magnetic
  • Panel Type: Panelboard, switchboard
  • Breaker Type: Molded case
  • Control Voltage Minimum: Not specified
  • Control Voltage Maximum: Not specified
  • MCM Size: Not specified
  • Metal Type: Copper lugs
  • 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: Panelboard/switchboard
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: 400A
  • Dist Voltage: Not specified
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: 400A
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not specified
  • Wire: Not specified
  • Amperage Maximum: 400A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not applicable
  • Wire Size: Not specified
  • Certification: UL 489, CSA
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Copper lugs
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Three-phase
  • Standards: UL 489, CSA
  • Compatible Frames: Not specified
  • Installation Type: Panelboard/switchboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Compact
  • Current Rating: 400A
  • 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: Not available
  • GTIN: Not available