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Siemens QJ3B200A02 - 200A 3-Pole Molded Case Breaker 240V

Siemens
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Siemens QJ3B200A02 Circuit Breaker is a 3-pole molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 200A continuous current at 240V AC, with a 10kA interrupting capacity at 240V, and utilizes thermal-magnetic protection with LI (long-time and instantaneous) trip functions for reliable fault clearing. The unit features a bolt-on connection style, weighs 4 lb, and is part of the QJ Series, built for robust performance in panelboards and switchboards. This breaker complies with applicable UL and NEMA standards for molded case circuit breakers. It is commonly used in commercial and industrial applications requiring 3-phase, 240V protection, such as motor control centers, lighting panels, and distribution boards.

Key Features & Specifications
  • Type: Molded Case, QJ Series, Thermal Magnetic, LI (Long-Time and Instantaneous) trip
  • Voltage Rating: 240V AC
  • Current Rating: 200A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 10kA@240V
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 4 lb
  • Standards: UL, NEMA
  • Applications: Industrial power distribution, panelboards, switchboards, motor control centers


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