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Siemens QJ23B070H - Molded Case Circuit Breaker 70A 3P (42kA AIC)

Siemens
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Siemens QJ23B070H is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial power distribution systems. It features a 70A current rating and a 240V AC voltage rating, engineered to interrupt fault currents up to 42kA. The unit is constructed as a three-pole, bolt-on thermal magnetic breaker with a robust QJ frame, weighing 4 lb for durable installation. It complies with relevant industry standards for safety and performance, incorporating long-time and instantaneous (LI) trip functions for coordinated protection. Typical applications include use in panelboards, switchboards, and industrial control panels where robust circuit protection is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, QJ2H Type, Bolt-On Connection
  • Voltage Rating: 240V AC
  • Current Rating: 70A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 42kA @ 240V
  • Protection Functions: LI (Long-Time and Instantaneous)
  • Frame: QJ Frame
  • Connection: Bolt-On
  • Weight: 4 lb
  • Standards: Meets applicable industry standards for circuit interruption and safety
  • Applications: Industrial power distribution, panelboards, switchboards, motor control centers


Product Identification
  • UPC: 783643224773
  • GTIN: 00783643224773