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Square D NEF36600LS - Molded Case Circuit Breaker 600A 600V 3-Pole

Square D
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Square D NEF36600LS is a 3-pole molded case circuit breaker designed for overcurrent protection in industrial and commercial power distribution systems. It is rated for 600V and 600A, with a high interrupting capacity of 100kA at 480V, and utilizes a Micrologic solid state trip unit with LS (Long-Time and Short-Time) protection functions. The unit features a bolt-on connection within an NE Frame, weighs 82 lb, and is constructed for 3-phase applications. This breaker complies with industry standards for demanding electrical environments requiring reliable fault interruption. It is typically applied in heavy industrial settings, manufacturing facilities, and large commercial buildings where robust circuit protection is essential.

Key Features & Specifications
  • Manufacturer: Square D
  • Item Subcategory: Molded Case
  • Family: Micrologic
  • Type: NEF
  • Weight: 82 lb
  • Functions: LS - Long-Time and Short-Time
  • Frame Size: NE Frame
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Solid State
  • AIC rating: 100kA@480V
  • Phase: 3
  • Current Rating: 600A
  • Amperage: 600A
  • Circuit Breaker Style: Molded Case
  • Trip Unit: Micrologic Solid State
  • Interrupt Rating: 100kA at 480V