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Square D HJA36150SR - Molded Case 150A 3-Pole 600V

Square D
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Square D HJA36150SR is a Powerpact H molded case circuit breaker designed for primary overcurrent protection in industrial power distribution systems. This 3-pole, 150A breaker operates at 600VAC and features a thermal magnetic trip unit with LI (long-time and instantaneous) functions for precise overload and short-circuit response. It utilizes an I-Line style plug-in connection for secure mounting and is complete with a 125Vdc shunt trip for remote tripping capability. The breaker is UL listed and meets CE, CSA, NEMA, NOM, and IEC certifications, ensuring compliance with global standards. It is well-suited for panelboards, switchboards, and motor control centers requiring reliable branch circuit protection in manufacturing and commercial facilities.

Key Features & Specifications
  • Type: Molded Case
  • Family: Powerpact
  • Amperage: 150 A
  • Voltage: 600 VAC / 690 VAC / 250 VDC
  • Poles: 3
  • Phase: 3
  • Mounting Type: I-Line plug-in bracket
  • Connection: I-Line style plug-in
  • Interrupt Rating: 100 kA at 240 VAC, 65 kA at 480 VAC, 25 kA at 600 VAC, 20 kA at 250 VDC
  • Frame Type: H-Frame
  • Trip Unit: Thermal Magnetic with LI functions
  • Continuous Current Rating: 80%
  • Wire Range: AWG 14 to 3/0 aluminum/copper
  • Certifications: UL, CE, CSA, NEMA, NOM, IEC
  • Weight: 5 lb
  • Additional Info: complete with 125Vdc shunt trip


HJA36150SR