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Siemens HQJ23B175HA02 - Molded Case Breaker 175A 240V 3-Pole

Siemens
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Siemens HQJ23B175HA02 is a 3-pole molded case circuit breaker from the QJ Frame family, designed for long-time and instantaneous (LI) protection against overloads and short circuits. It is rated for 240V AC, 175A continuous current, and delivers a high interrupting capacity of 100kA at 240V AC for robust fault handling. This bolt-on unit weighs 4 lb and features a thermal-magnetic trip mechanism for reliable overcurrent protection in three-phase systems. It complies with industry standards for industrial power distribution and motor control applications. Typical uses include protecting feeders, panelboards, and heavy machinery in manufacturing plants and commercial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, QJ Frame, HQJ2H, Thermal-Magnetic, Bolt-On
  • Voltage Rating: 240V AC
  • Current Rating: 175A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 100kA@240V
  • Connection: Bolt-On
  • Protection: LI - Long-Time and Instantaneous
  • Functions: Long-Time and Instantaneous
  • Weight: 4 lb
  • Family: QJ Frame
  • Item Subcategory: Molded Case