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Siemens HQJ3B100HA01 - Molded Case Breaker 100A 240V 3-Pole

Siemens
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Siemens HQJ3B100HA01 is a molded case circuit breaker from the HQJH Series, designed for overcurrent protection in industrial power distribution systems. This three-pole, 100A unit operates at 240V and provides LI (Long-Time and Instantaneous) protection functions through a thermal magnetic trip mechanism. The bolt-on connection design ensures secure installation within compatible panelboards, with a compact form factor weighing 4 lb. It delivers a high interrupting capacity of 100kA at 240V, meeting rigorous safety standards for fault current handling. Typical applications include main or branch circuit protection in commercial and light industrial electrical systems requiring reliable short-circuit and overload protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, HQJH Series, Thermal Magnetic Trip
  • Voltage Rating: 240V AC
  • Current Rating: 100A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 100kA@240V
  • Connection: Bolt-On
  • Protection: LI - Long-Time and Instantaneous
  • Weight: 4 lb
  • Functions: Overcurrent and short-circuit protection
  • Installation Type: Fixed, bolt-on mounting
  • Standards: UL 489, CSA C22.2 No. 5
  • Applications: Industrial and commercial power distribution panels