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Square D NEF361200LI - Molded Case Breaker 1200A 600V 3-Pole

Square D
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Square D NEF361200LI is a 3-pole molded case circuit breaker from the Micrologic family, designed for solid-state overcurrent protection with Long-Time and Instantaneous (LI) trip functions. It is rated for 1200A at a maximum voltage of 600V and delivers an interrupting capacity of 100kA at 480V, ensuring robust fault interruption in heavy-load systems. This NE Frame breaker weighs 82 lb and utilizes a bolt-on connection for secure installation, with a 3-phase configuration that supports demanding electrical distribution networks. It complies with industry standards for molded case circuit breakers, providing reliable performance in industrial and commercial power systems. Typical applications include main or feeder protection in switchboards, panelboards, and motor control centers requiring high current handling and selective coordination.

Key Features & Specifications
  • Manufacturer: Square D
  • Item Subcategory: Molded Case
  • Family: Micrologic
  • Type: NEF
  • Weight: 82 lb
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: NE Frame
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Solid State
  • AIC rating: 100kA@480V
  • Phase: 3
  • Current Rating: 1200A
  • Part Number: NEF361200LI
  • Mounting Type: I-Line Style Plug-In
  • Interrupt Rating: 100kA @ 480V
  • Series/Frame: NEF
  • Frame Size: 1200A
  • Trip Unit: Solid State
  • Application: Molded Case Circuit Breaker