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NSF250 - Molded Case Circuit Breaker 250A 600V AC

United Fuses
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The NSF250 is a molded case circuit breaker designed for primary overcurrent and short-circuit protection in industrial power distribution systems. It is rated for 600V AC and carries a current rating of 250A, providing robust interruption capabilities. The unit weighs 5.19 lb and features a compact, insulated case construction suitable for panelboard or switchboard mounting. It complies with UL 489 and CSA C22.2 standards for safety and performance. Typical applications include motor control centers, feeder circuits, and main disconnects in manufacturing and commercial facilities.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Weight: 5.19 lb
  • Standards: UL 489, CSA C22.2
  • Applications: Industrial power distribution, motor control centers, feeder circuits
  • Frame Size: NSF
  • Poles: 3
  • Interrupting Rating: 65kAIC at 240V AC
  • Connection: Line and load lugs
  • Mounting: Fixed
  • Frequency Rating: 50/60 Hz
  • Operating Temperature: -20°C to 60°C


Product Identification
  • UPC: 786725123456
  • GTIN: 00786725123456