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Siemens QJ23B175H - Molded Case Circuit Breaker 175A 3P (42kA AIC)

Siemens
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Siemens QJ23B175H is a three-pole molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial power distribution systems. It features a 175A thermal-magnetic trip unit with long-time and instantaneous (LI) protection functions, rated for 240V AC three-phase applications with a 42kA interrupting capacity at its rated voltage. The breaker utilizes a robust bolt-on connection system compatible with copper conductors from 6 AWG to 300 kcmil and aluminum conductors from 4 AWG to 300 kcmil, housed within a compact QJ frame. It is certified to UL and CSA standards for safety and performance compliance, making it suitable for installation in panelboards, switchboards, and industrial control panels where dependable circuit protection is required.

Key Features & Specifications
  • Type: QJ2H Molded Case Circuit Breaker, Thermal Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 175A
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic, LI (Long-Time and Instantaneous) Functions
  • AIC Rating: 42kA @ 240V
  • Phase: 3
  • Wire Size: 4 AWG to 300 kcmil Aluminum, 6 AWG to 300 kcmil Copper
  • Certification: UL, CSA
  • Frame: QJ Frame
  • Weight: 4 lb


Product Identification
  • UPC: 783643193994
  • GTIN: 00783643193994