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Siemens HQJ23B175H - Molded Case Circuit Breaker, 175A 3P 240V

Siemens
Price
Save $-1,397.57
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Siemens HQJ23B175H is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 175A continuous current rating and a 240V AC voltage rating, with a robust thermal-magnetic trip unit offering long-time and instantaneous (LI) protection functions. The three-pole, bolt-on construction ensures secure electrical connections within panelboards, and its compact QJ frame design, weighing 4 lb, facilitates installation in space-constrained environments. This breaker complies with relevant industry standards for safety and performance, delivering an interrupting capacity of 100kA at 240V AC to safeguard downstream equipment. Its typical applications include protecting feeders, motors, and other critical loads in manufacturing facilities, commercial buildings, and data centers.

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