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NCL36900

Square D
Price
Save $-4,792.59
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Square D NCL36900 is a 900-amp, 600-volt, 3-pole molded case circuit breaker from the NCL Series, designed to provide thermal-magnetic overcurrent protection with long-time and instantaneous (LI) trip functions for industrial power distribution systems. It features an N Frame size with a 1200-amp frame rating and a feed-thru connection, delivering a high interrupting capacity of 100kA at 480V for robust fault handling. Weighing 82 lb, this 3-phase unit is constructed for I-Line style plug-in mounting, ensuring secure integration into panelboards. The breaker is UL listed and CSA certified, meeting UL Standard 489 requirements for permanent trip operation. Typical industrial applications include heavy-duty motor control centers, switchboards, and main feeder circuits requiring reliable overcurrent protection.

Key Features & Specifications
  • Manufacturer: Square D
  • Model: NCL36900
  • Type: NCL
  • Item Subcategory: Molded Case
  • Family: NCL Series
  • Current Rating: 900A
  • Voltage Rating: 600VAC
  • Poles: 3
  • Phase: 3-Phase
  • Frame Size: N Frame (1200A)
  • Protection: Thermal-Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Feed-Thru
  • Mounting Style: I-Line Plug-In
  • Interrupt Rating: 100kAIC at 480V
  • Weight: 82 lb
  • Certifications: UL Listed, CSA Certified


Square D NCL36900 - Molded Case Circuit Breaker 900A 600V 3-Pole