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Siemens QJ23B070A02 - Molded Case Circuit Breaker 70A 240V 3-Pole

Siemens
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Siemens QJ23B070A02 is a 3-pole molded case circuit breaker from the QJ Frame family, designed to provide thermal-magnetic overcurrent protection with long-time and instantaneous (LI) trip functions for electrical distribution systems. This 70A unit is rated for 240V AC and delivers a 10kA interrupting capacity at 240V, operating on a 3-phase, 50/60 Hz system. The breaker features a bolt-on connection type and a compact QJ2 series construction, weighing 4 lb for straightforward installation in panelboards. It complies with industry standards for reliable circuit safety in demanding environments. Typical applications include commercial and industrial power distribution where dependable branch circuit protection is required.

Key Features & Specifications
  • Manufacturer: Siemens
  • Item Subcategory: Molded Case
  • Family: QJ Frame
  • Type: QJ2
  • Weight: 4 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 240V AC
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC Rating: 10kA @ 240V
  • Phase: 3
  • Current Rating: 70A
  • Frequency: 50/60 Hz
  • Trip Unit: Thermal and Fixed Magnetic
  • Part Number: QJ23B070A02