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Siemens HQJ23B175HL - Molded Case Circuit Breaker 175A 240V 3-Pole

Siemens
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Siemens HQJ23B175HL is a 3-pole molded case circuit breaker designed for thermal-magnetic overcurrent protection in low-voltage power distribution systems. It is rated for 175 amps at 240 volts AC, with a high interrupting capacity of 100kA at 240V, and features LI (Long-Time and Instantaneous) trip functions for precise fault response. The unit weighs 4 lb, uses a feed-thru connection, and is built on the QJ frame with a bolt-on mounting configuration. It complies with industry standards for molded case circuit breakers, ensuring reliable performance in demanding environments. This breaker is typically applied in commercial and industrial settings for branch circuit and feeder protection.

Key Features & Specifications
  • Manufacturer: Siemens
  • Part Number: HQJ23B175HL
  • Type: HQJ2H
  • Item Subcategory: Molded Case
  • Family: QJ Frame
  • Poles: 3
  • Current Rating: 175 A
  • Voltage Rating: 240 VAC
  • Phase: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC Rating: 100kA@240V
  • Connection: Feed-Thru
  • Mounting Type: Bolt-On
  • Weight: 4 lb