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Siemens QJ3B080A02 - Molded Case 80A 3-Pole 240V Breaker

Siemens
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Siemens QJ3B080A02 is a 3-pole molded case circuit breaker designed for primary overcurrent protection in industrial and commercial power distribution systems. This 80A unit operates at 240V AC with a 10kA interrupting capacity, utilizing thermal-magnetic trip technology for long-time and instantaneous fault response. The bolt-on connection and non-interchangeable trip unit ensure secure installation and application-specific configuration, with a compact frame weighing 4 lb. It complies with industry standards for panelboard and switchgear applications requiring reliable LI protection functions. Typical applications include branch circuit protection in lighting panels, motor control centers, and distribution boards.

Key Features & Specifications
  • Type: Molded Case
  • Family: QJ Series
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 240V
  • Current Rating: 80A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC Rating: 10kA@240V
  • Weight: 4 lb
  • Terminal Type: Load Side Lug
  • Trip Unit: Non-Interchangeable