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Allen-Bradley 140M-C2E-B40-KRY - Motor Protection Circuit Breaker 4A 3-Pole

Allen-Bradley
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Allen-Bradley 140M-C2E-B40-KRY is a Bulletin 140M motor protection circuit breaker designed for branch circuit protection of motors with adjustable thermal trip and fixed magnetic trip settings. This 3-pole, 3-phase molded case breaker supports a voltage rating of 600V AC and a current rating of 4A, with a high interrupt rating of 65kA at 480V AC. It features a C-frame size, feed-thru connection, and weighs 5 lb, designed for DIN rail mounting. The breaker is UL listed for industrial applications, providing robust short-circuit protection with trip and test indication. Typical applications include motor control centers and industrial machinery requiring reliable overload and short-circuit protection.

Key Features & Specifications
  • Type: Motor Protection Circuit Breaker
  • Manufacturer: Allen-Bradley
  • Family: Bulletin 140M
  • Item Subcategory: Molded Case
  • Current Rating: 4 Amps
  • Thermal Trip Range: Adjustable 2.5–4 Amps
  • Poles: 3
  • Phase: 3
  • Frame Size: C-Frame
  • Mounting Type: DIN Rail
  • Voltage Rating: Up to 600V AC
  • Interrupt Rating: 65kA at 480V AC
  • Connection: Feed-Thru
  • Weight: 5 lb
  • Trip Unit: Adjustable Thermal / Fixed Magnetic
  • Frequency: 50/60 Hz
  • Certifications: UL Listed


Part Number: 140M-C2E-B40-KRY