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Siemens QJ3B200 - Molded Case 200A 3-Pole 240V

Siemens
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Siemens QJ3B200 is a 200A, 3-pole molded case circuit breaker from the QJ Series, designed to provide long-time and instantaneous (LI) protection against overloads and short circuits. It operates at 240V with a 10kA interrupting capacity at 240V, utilizing a thermal-magnetic trip mechanism for reliable overcurrent response. The unit features a bolt-on connection for secure panel installation and weighs 4 lb, supporting 3-phase systems. This breaker complies with industry standards for safety and performance in commercial and industrial environments. It is suited for protecting branch circuits, feeders, and equipment in distribution panels and switchboards.

Key Features & Specifications
  • Type: QJ
  • Amperage: 200A
  • Voltage: 240V
  • Poles: 3
  • Mounting Type: Bolt-On
  • Interrupt Rating: 10kA @ 240V
  • Protection: Thermal Magnetic
  • Trip Unit: Thermal-Magnetic with LI functions
  • Series/Frame: QJ
  • Functions: LI - Long-Time and Instantaneous
  • Phase: 3
  • Connection: Bolt-On
  • Weight: 4 lb
  • Certifications: Industry standard compliant