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Siemens QJ23B070HA02 - Molded Case 70A 240V 3-Pole Breaker

Siemens
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Siemens QJ23B070HA02 is a QJ Frame molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It provides 70A of current protection at 240V AC with a 42kA interrupting capacity, utilizing thermal magnetic trip technology for both long-time and instantaneous fault response. This 3-pole, 3-phase unit features a bolt-on connection style and weighs 4 lb, constructed for robust panelboard installation. It complies with industry standards for molded case circuit breakers, ensuring reliable performance in demanding environments. Typical applications include branch circuit protection in commercial and industrial electrical panels, motor control centers, and switchboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, QJ Frame, QJ2H
  • Voltage Rating: 240V AC
  • Current Rating: 70A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 42kA@240V
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 4 lb
  • Installation Type: Panelboard
  • Standards: Industry standard molded case circuit breaker compliance


Product Identification
  • Manufacturer: Siemens
  • Model: QJ23B070HA02
  • Family: QJ Frame
  • Type: QJ2H