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21-B183MD6N - Molded Case Circuit Breaker 100A 600V AC (3-Pole)

United Fuses
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The 21-B183MD6N is a molded case circuit breaker designed for overcurrent and short-circuit protection in industrial power distribution systems. It is rated for 600V AC and carries a current rating of 100A, with a robust construction featuring a 5.19 lb weight and a compact frame size for panel mounting. This unit complies with UL 489 and CSA standards, ensuring reliable performance in demanding environments. Typical applications include motor control centers, switchboards, and industrial machinery requiring branch circuit protection.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip
  • Voltage Rating: 600V AC
  • Current Rating: 100A
  • Weight: 5.19 lb
  • Standards: UL 489, CSA
  • Applications: Industrial power distribution, motor control centers
  • Breaker Type: Molded Case Circuit Breaker
  • Frame Size: 125A frame
  • Trip Type: Thermal-magnetic
  • Poles: 3
  • Connection: Line and load lugs
  • Mounting: Panel mount
  • Phase: 3
  • Hz: 50/60
  • Amperage: 100A
  • AIC rating: 25kA at 480V
  • Enclosure: Open style
  • Terminal Connection: Aluminum/copper rated
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Installation Type: Fixed
  • Item QTY: 1
  • Operating Temperature Maximum Celsius: 40°C


Product Identification
  • UPC: 786725123456
  • GTIN: 00786725123456