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Siemens QJ3H175 - Molded Case 175A 240V 3-Pole

Siemens
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Siemens QJ3H175 is a molded case circuit breaker from the QJ Frame family, designed for overcurrent protection in electrical distribution systems. It provides LI (Long-Time and Instantaneous) protection functions through a thermal magnetic trip unit, rated for 175A at 240V in a three-phase, three-pole configuration. The unit features a bolt-on connection type and weighs 4 lb, with a compact molded case construction suitable for panelboard installation. It carries a 22kA interrupting rating at 240V and is UL Listed for safety and performance compliance. This breaker is typically applied in commercial and industrial power distribution systems requiring reliable branch circuit protection.

Key Features & Specifications
  • Type: Molded Case
  • Family: QJ Frame
  • Functions: LI - Long-Time and Instantaneous
  • Protection: Thermal Magnetic
  • Current Rating: 175A
  • Voltage Rating: 240V
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • AIC Rating: 22kA@240V
  • Weight: 4 lb
  • Certifications: UL Listed