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Square D NXF36900 - Molded Case 900A 600V 3-Pole Breaker

Square D
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Square D NXF36900 is a three-pole molded case circuit breaker from the Micrologic family, designed to provide solid-state protection for industrial power distribution systems. It is rated for 600V AC, 900A continuous current, and delivers a 100kA interrupting capacity at 480V, with LSI (Long-Time, Short-Time, and Instantaneous) trip functions for precise overcurrent protection. The unit features a bolt-on connection, NX frame size, and weighs 87 lb, constructed for robust industrial environments. It complies with applicable industry standards for molded case circuit breakers. This breaker is typically used in commercial and industrial switchboards, panelboards, and motor control centers requiring high-amperage solid-state protection.

Key Features & Specifications
  • Type: Molded Case, Solid State Protection
  • Voltage Rating: 600V AC
  • Current Rating: 900A
  • Dimensions: NX Frame
  • Standards: Industry standard for molded case circuit breakers
  • Applications: Industrial switchboards, panelboards, motor control centers
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Solid State (LSI - Long-Time, Short-Time and Instantaneous)
  • AIC rating: 100kA@480V
  • Phase: 3
  • Weight: 87 lb
  • Additional Info: This item does not include lugs. If you would like lugs please reach out to a sales rep with wiring specs and we can help you with the lugs part number.


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