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ACP Electrical Fittings MIGB100LS4BC - 100A 3-Pole Molded Case Breaker

ACP Electrical Fittings
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ACP Electrical Fittings MIGB100LS4BC is a molded case circuit breaker designed for primary overcurrent and short-circuit protection in industrial power distribution systems. It is rated for 100A at 600V AC, with a 25kA interrupting capacity at 480V AC, and features a 3-pole, 3-phase configuration with a thermal-magnetic trip mechanism. The unit weighs 5.19 lb and is constructed with a compact, insulated case for panelboard mounting, utilizing line and load side lug connections. This breaker complies with UL 489 and CSA C22.2 No. 5 standards, ensuring reliable performance in commercial and light industrial environments. Typical applications include branch circuit protection in motor control centers, lighting panels, and distribution boards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, thermal-magnetic trip, 3-pole
  • Voltage Rating: 600V AC
  • Current Rating: 100A
  • AIC Rating: 25kA at 480V AC
  • Connection: Line and load side lugs
  • Poles: 3
  • Phase: 3
  • Frame Size: 100A frame
  • Trip Type: Thermal-magnetic
  • Panel Type: Panelboard
  • Breaker Type: MIGB
  • Mounting: Bolt-on
  • Hz: 50/60
  • Weight: 5.19 lb
  • Standards: UL 489, CSA C22.2 No. 5
  • Applications: Branch circuit protection in motor control centers, lighting panels, distribution boards


Product Identification
  • Manufacturer: ACP Electrical Fittings
  • Model: MIGB100LS4BC