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Schneider Electric NSX400F-4P - Molded Case Circuit Breaker 400A 690V

Schneider Electric
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Schneider Electric NSX400F-4P is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase electrical systems. It features a 400A current rating and a 690V voltage rating, housed in a compact NSX frame with a bolt-on connection for secure installation. The breaker utilizes a thermal-magnetic trip unit for combined long-time and instantaneous (LI) protection functions and offers an interrupting capacity of 36kA at 415V. Constructed for industrial durability, this 12 lb device complies with relevant international standards for safety and performance in demanding applications such as power distribution and motor control.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 690V AC
  • Current Rating: 400A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • AIC Rating: 36kA @ 415V
  • Frame Size: Compact NSX
  • Weight: 12 lb