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Schneider Electric NSJ400N-400AMP - Molded Case 400A Breaker (600V AC)

Schneider Electric
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Schneider Electric NSJ400N-400AMP Circuit Breaker is a molded case circuit breaker designed for primary overcurrent and short-circuit protection in industrial power distribution systems. It is rated for 400 amps of continuous current and is suitable for use in AC voltage systems up to 600 volts, providing reliable interruption under fault conditions. The unit weighs 5.19 lb and features a compact, robust construction typical of molded case breakers, with a thermal-magnetic trip mechanism for precise protection. This breaker complies with UL 489 and other relevant industry standards, ensuring safe operation in demanding environments. It is commonly applied in panelboards, switchboards, and motor control centers for commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Weight: 5.19 lb
  • Standards: UL 489
  • Applications: Industrial power distribution, panelboards, switchboards
  • Breaker Type: Thermal-magnetic
  • Poles: 3
  • Frame Size: NSJ400
  • Trip Type: Thermal-magnetic
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Line and load lugs
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Installation Type: Panelboard or switchboard
  • Item Subcategory: Molded Case
  • Manufacturer: Schneider Electric


Product Identification
  • UPC: Not available
  • GTIN: Not available