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Square D HJA36150UO - Molded Case Circuit Breaker 150A 600V

Square D
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Square D HJA36150UO is a 3-pole molded case circuit breaker from the Powerpact H family, designed to provide thermal magnetic protection for industrial power distribution systems. It is rated for 150A at 600VAC and 250VDC, with an interrupting capacity of 65kA at 480VAC, and features LI (Long-Time and Instantaneous) trip functions for current limiting and overload protection. The unit weighs 5 lb and utilizes an I-Line style plug-in connection with an H-frame construction, supporting load-side lug connections and reverse fed applications. It complies with UL 489, CSA, NEMA, IEC, and CE marking standards, ensuring reliable performance in demanding environments. This breaker is suitable for use in Class 612 I-Line panelboards and switchboards for commercial and industrial power distribution.

Key Features & Specifications
  • Type: Molded Case
  • Family: Powerpact H
  • Poles: 3
  • Phase: 3
  • Current Rating: 150A
  • Voltage Rating: 600VAC, 250VDC
  • Interrupting Rating: 100kAIC at 240VAC, 65kAIC at 480VAC, 25kAIC at 600VAC
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: I-Line Style Plug-In
  • Mounting: I-Line Bracket
  • Frame Type: H-Frame
  • Weight: 5 lb
  • Certifications: UL 489, CSA, NEMA, IEC, CE marked