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Square D NW08L1 - Insulated Case Breaker 800A 690V

Square D
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Square D NW08L1 is a Masterpact NW series insulated case circuit breaker designed for high-performance electrical protection in demanding industrial environments. This 3-pole, 800A unit operates at a voltage rating of 690V AC with a solid-state LSIG protection function, providing long-time, short-time, instantaneous, and ground fault protection, and features a draw-out connection for easy maintenance. The breaker weighs 200 lb and is built with robust construction typical of the Masterpact family. It complies with industry standards for high fault current applications, offering an interrupting rating of 150kA at 440V AC. This circuit breaker is suited for use in power distribution systems, motor control centers, and other heavy-duty commercial and industrial applications.

Key Features & Specifications
  • Manufacturer: Square D
  • Item Subcategory: Insulated Case
  • Family: Masterpact
  • Type: NW
  • Weight: 200 lb
  • Functions: LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault
  • Voltage Rating: 690V AC
  • Poles: 3
  • Connection: Draw-Out
  • Protection: Solid State
  • AIC rating: 150kA @ 440V AC
  • Phase: 3
  • Current Rating: 800 Amps
  • Interrupt Rating: 130kA @ 635V AC
  • Mounting Type: Draw-Out