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Square D NEL1236LSG - MCCB 1200A 600V 3-Pole LSIG

Square D
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Square D NEL1236LSG is a 3-pole, 1200 amp molded case circuit breaker from the Pre-Micrologic family, designed for primary protection in I-Line power distribution systems. It operates at a voltage rating of 600V and provides LSIG (Long-Time, Short-Time, Instantaneous and Ground Fault) protection via a solid state trip unit. The unit features a feed-thru connection and weighs 82 lb, with a high interrupting capacity of 100kA at 480V for robust fault handling. This breaker complies with industry standards for industrial and commercial electrical applications, offering advanced selective coordination for complex power systems. It is typically used in main switchboards, distribution panels, and large motor control centers requiring reliable overcurrent and ground fault protection.

Key Features & Specifications
  • Manufacturer: Square D
  • Item Subcategory: Molded Case
  • Family: Pre-Micrologic
  • Type: NEL
  • Weight: 82 lb
  • Functions: LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Feed-Thru
  • Protection: Solid State
  • AIC rating: 100kA@480V
  • Phase: 3
  • Current Rating: 1200A
  • Amperage Rating: 1200A
  • Interrupting Capacity (AIC): 100kA at 480V
  • Trip Unit: LSIG (Long Time, Short Time, Instantaneous, Ground)
  • Breaker Type: Molded Case Circuit Breaker (MCCB)
  • Connection Type: I-Line
  • Series: NEL