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HDA36150SJ

Square D
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Square D HDA36150SJ is a PowerPact H-Frame molded case circuit breaker designed for overload and short circuit protection in commercial and industrial power distribution systems. This 3-pole, 150A unit operates at 600V with a thermal magnetic trip mechanism providing LI (Long-Time and Instantaneous) functions and an interrupting rating of 18kA at 480V. It features I-Line style plug-in connection, weighs 6 lb, and is complete with a 525/600Vac shunt trip for remote tripping capability. The breaker is UL listed and suitable for reverse fed applications, with an 80% continuous current rating and a magnetic hold current of 900A. It is typically applied in I-Line busway systems for robust circuit protection in industrial environments.

Key Features & Specifications
  • Type: Molded Case
  • Family: Powerpact
  • Type: HDA
  • Poles: 3
  • Current Rating: 150A
  • Voltage Rating: 600V
  • Interrupt Rating: 18kA @ 480V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: I-Line Style Plug-In
  • Phase: 3
  • Weight: 6 lb
  • Additional Info: complete with 525/600Vac shunt trip
  • Continuous Current Rating: 80%
  • Control Type: Toggle
  • Certifications: UL Listed


Square D HDA36150SJ - Molded Case 150A 600V (3-Pole I-Line)