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Square D HDA36150U31XAABCSK - 150A 3-Pole MCCB

Square D
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Square D HDA36150U31XAABCSK is a Powerpact H-Frame molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. This 3-pole, 150A unit operates at 600V with a solid-state LI trip unit providing long-time and instantaneous protection functions, and it carries an 18kA interrupting rating at 480V. The breaker features an I-Line style plug-in connection with lug load terminals, weighs 10.27 lb, and supports ABC phase connection for reverse fed applications. It is UL listed and built to meet standard interrupting capacity requirements for commercial and industrial environments. Typical applications include panelboards, switchboards, and motor control centers requiring reliable branch circuit protection.

Key Features & Specifications
  • Manufacturer: Square D
  • Model: HDA36150U31XAABCSK
  • Type: Molded Case Circuit Breaker
  • Frame Type: H-Frame
  • Current Rating: 150A
  • Voltage Rating: 600V
  • Poles: 3
  • Phase: 3 (ABC connection)
  • Protection: Solid State
  • Functions: LI - Long-Time and Instantaneous
  • Interrupt Rating: 18kA at 480V
  • Connection: I-Line Style Plug-In with lug load terminals
  • Mounting Type: I-Line plug-in
  • Weight: 10.27 lb
  • UL Listed
  • Suitable for reverse fed applications
  • Breaking Capacity Code: D


Product IDs: HDA36150U31XAABCSK