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Schneider Electric NSJ400N - Molded Case Circuit Breaker 400A 600V

Merlin Gerin
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Schneider Electric Merlin Gerin NSJ400N is a molded case circuit breaker designed for providing robust overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a solid-state protection system with Long-Time, Short-Time, and Instantaneous (LSI) trip functions, rated for 400A at 600V AC with an interrupting capacity of 35kA at 480V. This compact, three-pole breaker utilizes a bolt-on connection style and is constructed for reliable performance, weighing 23 lb. It is engineered to meet relevant industry standards for electrical protection devices and is typically applied in panelboards, switchboards, and industrial control panels where dependable circuit isolation is critical.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Solid State Protection with LSI (Long-Time, Short-Time, Instantaneous) Trip Functions
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Phase: 3
  • Poles: 3
  • Connection: Bolt-On
  • AIC Rating: 35kA @ 480V
  • Protection: Solid State
  • Family: Compact
  • Weight: 23 lb
  • Standards: Engineered to meet applicable industry standards for circuit protection
  • Applications: Industrial power distribution, panelboards, switchboards, control panels


Product Identification
  • Manufacturer Part Number: NSJ400N