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140MG-G8P-D12

Allen-Bradley
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Allen-Bradley 140MG-G8P-D12 is a molded case motor circuit protector (MCP) designed for magnetic-only overcurrent protection in three-phase industrial power systems. This 125A device is rated for 600V AC and delivers a high interrupting capacity of 65kA at 480V AC, with a 100kA breaking capacity at 460V AC. It features a compact G-frame, three-pole bolt-on construction, and an adjustable magnetic trip mechanism for precise fault clearing without thermal elements. The unit complies with industry standards for motor protection and distribution in harsh environments. Typical applications include motor branch circuits, control panels, and industrial machinery requiring reliable short-circuit protection.

Key Features & Specifications
  • Manufacturer: Allen-Bradley
  • Part Number: 140MG-G8P-D12
  • Type: Molded Case Circuit Breaker / Motor Circuit Protector (MCP)
  • Family: Bulletin 140G
  • Rated Current: 125 Amperes
  • Voltage Rating: 600V AC
  • Number of Poles: 3 Pole
  • Phase: 3
  • Frame Size: G Frame
  • Protection Type: Magnetic Only
  • Adjustment Type: Adjustable Magnetic
  • Connection: Bolt-On
  • Interrupting Capacity: 65kA at 480V AC
  • Breaking Capacity: 100 kA at 460 Volts AC
  • Weight: 5 lb


Allen-Bradley 140MG-G8P-D12 - MCP 125A 600V 3-Pole