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Square D NEL1236LI - 1200A 3-Pole Molded Case Breaker (600V)

Square D
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Square D NEL1236LI is a 3-pole, 1200 amp molded case circuit breaker designed for primary overcurrent protection in industrial and commercial power distribution systems. It operates at a voltage rating of 600V and provides solid state trip technology with Long-Time and Instantaneous (LI) protection functions, achieving an interrupting capacity of 100kA at 480V. The unit weighs 82 lb, features a feed-thru connection, and is designed for panel mounting within standard Square D switchgear and panelboard systems. It is part of the Pre-Micrologic family and complies with industry standards for high interrupt capacity applications. This breaker is typically used in industrial power distribution, motor control centers, and commercial electrical systems requiring reliable solid state overcurrent protection.

Key Features & Specifications
  • Manufacturer: Square D
  • Item Subcategory: Molded Case
  • Family: Pre-Micrologic
  • Type: NEL
  • Weight: 82 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Feed-Thru
  • Protection: Solid State
  • AIC rating: 100kA@480V
  • Phase: 3
  • Current Rating: 1200A
  • Amperage: 1200A
  • Mounting Type: Panel Mount
  • Series/Frame: NEL
  • Breaker Type: Molded Case
  • Technology: Solid State
  • Frequency: 50-60 Hz


Part Number: NEL1236LI