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Siemens QJ3B175A02 - 3-Pole Molded Case Breaker 175A

Siemens
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Siemens QJ3B175A02 is a 3-pole molded case circuit breaker from the QJ Series, designed for LI (Long-Time and Instantaneous) protection in industrial power distribution systems. It is rated for 240V AC, 175A continuous current, with a 10kA interrupting capacity at 240V, and utilizes thermal-magnetic protection for reliable overcurrent and short-circuit tripping. This bolt-on breaker weighs 4 lb, features a compact molded case construction for panelboard installation, and is built for 3-phase applications. It complies with UL and NEMA standards for industrial circuit protection. Typical applications include feeder protection in commercial and industrial electrical panels, motor control centers, and distribution switchboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, QJ Series, Thermal Magnetic
  • Voltage Rating: 240V AC
  • Current Rating: 175A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: LI - Long-Time and Instantaneous
  • AIC Rating: 10kA@240V
  • Weight: 4 lb
  • Standards: UL 489, NEMA AB-1
  • Applications: Industrial panelboards, distribution boards, motor control centers


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