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Siemens QJ23B070HA01 - Molded Case Circuit Breaker 70A 240V 3-Pole

Siemens
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Siemens QJ23B070HA01 is a 3-pole molded case circuit breaker designed for overcurrent protection in industrial and commercial electrical systems. This unit is rated for 70 amps at 240 volts AC with a 42kA interrupting capacity at 240V, utilizing a thermal magnetic trip mechanism that provides long-time and instantaneous (LI) protection functions. The breaker features a QJ frame construction with bolt-on mounting, weighs 4 lb, and is configured for 3-phase applications with load side lug terminals. It is built to meet industry standards for reliable circuit protection in demanding environments. Typical applications include distribution panels, motor control centers, and branch circuit protection in manufacturing and facility power systems.

Key Features & Specifications
  • Manufacturer: Siemens
  • Item Subcategory: Molded Case
  • Family: QJ Frame
  • Type: QJ2H
  • Weight: 4 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 240V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 42kA@240V
  • Phase: 3
  • Current Rating: 70A
  • Amperage: 70 Amps
  • Voltage: 240 Volts AC
  • Poles: 3
  • Frame Type: QJ Series
  • Mounting Type: Bolt-On
  • Interrupt Rating: 10,000 AIC at 240V
  • Trip Unit: Thermal Magnetic, Non-Interchangeable
  • Phase: 3-Phase
  • Load Side Lug Terminals