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Square D NEL1236LI - Molded Case Circuit Breaker 1200A 600V

Square D
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The Square D NEL1236LI is a 3-pole molded case circuit breaker from the Pre-Micrologic family, designed for overcurrent protection with Long-Time and Instantaneous (LI) solid-state trip functions. It is rated for 600V AC, 1200A continuous current, and delivers a 100kA interrupting capacity at 480V AC in a 3-phase system. This feed-thru connection breaker weighs 82 lb and features a robust molded case construction for industrial environments. It complies with applicable UL and NEMA standards for reliable performance in demanding power distribution applications. Typical uses include main or feeder protection in commercial and industrial switchboards, panelboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Solid State Trip, Pre-Micrologic Family
  • Voltage Rating: 600V AC
  • Current Rating: 1200A
  • Poles: 3
  • Phase: 3
  • Connection: Feed-Thru
  • Protection: LI (Long-Time and Instantaneous)
  • AIC Rating: 100kA@480V
  • Weight: 82 lb
  • Standards: UL 489, NEMA AB-1
  • Applications: Main or feeder protection in industrial switchboards, panelboards, and motor control centers
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Feed-Thru
  • Frequency Rating: 50/60 Hz
  • Installation Type: Panelboard/Switchboard
  • Breaker Frame: NEL
  • Functions: Long-Time and Instantaneous
  • Item Subcategory: Molded Case
  • Family: Pre-Micrologic
  • Type: NEL


Product Identification
  • UPC: Not available
  • GTIN: Not available