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Square D NEF361000LSG - Molded Case 1000A 600V (3-Pole LSIG)

Square D
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Square D NEF361000LSG is a 3-pole molded case circuit breaker designed for primary overcurrent and ground fault protection in high-capacity power distribution systems. It is rated for 1000A continuous current at 600VAC with a 100kA interrupting capacity at 480V, utilizing a Micrologic solid-state trip unit for LSIG (Long-Time, Short-Time, Instantaneous and Ground Fault) protection. The unit features a bolt-on connection type within an NE frame, weighing 82 lb, and is constructed for 3-phase operation. This breaker complies with industry standards for heavy-duty industrial applications requiring precise, adjustable protection settings. It is typically deployed in commercial and industrial switchboards, panelboards, and motor control centers where high fault current capability and selective coordination are critical.

Key Features & Specifications
  • Manufacturer: Square D
  • Model: NEF361000LSG
  • Type: NEL
  • Item Subcategory: Molded Case
  • Family: Micrologic
  • Functions: LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault
  • Frame Size: NE Frame
  • Current Rating: 1000A
  • Voltage Rating: 600V
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Solid State
  • AIC Rating: 100kA @ 480V
  • Weight: 82 lb