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Siemens QJ3M150H - 150A 3-Pole Molded Case Breaker 240V

Siemens
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Siemens QJ3M150H is a 3-pole molded case circuit breaker from the QJH Series, designed for overcurrent protection in industrial power distribution systems. It provides LI (Long-Time and Instantaneous) protection functions with a thermal magnetic trip mechanism, rated for 150A continuous current at 240V AC, 3-phase, and an interrupting capacity of 42kA at 240V. The unit features a bolt-on connection style, weighs 4 lb, and is constructed for reliable performance in demanding environments. This breaker complies with applicable industry standards for molded case circuit breakers, ensuring safe and efficient operation. Typical applications include branch circuit protection in commercial and industrial panelboards, switchboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, QJH Series, Thermal Magnetic
  • Voltage Rating: 240V AC
  • Current Rating: 150A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 42kA@240V
  • Connection: Bolt-On
  • Protection: LI - Long-Time and Instantaneous
  • Functions: Overcurrent protection
  • Weight: 4 lb
  • Standards: Industry standard molded case breaker compliance
  • Applications: Industrial power distribution, panelboards, switchboards


Product Identification
  • Manufacturer: Siemens
  • Family: QJH Series
  • Type: QJH
  • Item Subcategory: Molded Case