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Merlin Gerin NSF250A - Molded Case Circuit Breaker 250A 600V

Merlin Gerin
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The Merlin Gerin NSF250A is a molded case circuit breaker designed for primary overcurrent and short-circuit protection in industrial power distribution systems. It is rated for a maximum voltage of 600V AC and a current rating of 250A, with a robust interrupting capacity suitable for high-fault applications. The unit weighs 7 lb and features a compact, insulated case construction for reliable performance in demanding environments. It complies with UL and IEC standards, ensuring safe operation in motor control centers, panelboards, and switchboards.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Weight: 7 lb
  • Standards: UL 489, IEC 60947-2
  • Applications: Industrial power distribution, motor protection
  • Poles: 3
  • Frame Size: NSF250
  • Trip Type: Fixed thermal-magnetic
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Line and load side lugs
  • Frequency Rating: 50/60 Hz
  • Phase: 3
  • Interrupting Rating: 65 kAIC at 240V AC
  • Item Subcategory: Molded Case


Product Identification
  • UPC: 782451026661