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Siemens QJ3M070 - Molded Case Circuit Breaker 70A 3-Pole 240V

Siemens
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Siemens QJ3M070 is a 3-pole molded case circuit breaker from the QJ Series, designed to provide overcurrent protection through its LI (Long-Time and Instantaneous) trip functions. It is rated for 240V AC with a continuous current capacity of 70A and an interrupting rating of 10kA at 240V, utilizing thermal-magnetic protection for reliable fault response. The unit weighs 4 lb and features a bolt-on connection for secure mounting in electrical panels, with a compact construction suitable for standard enclosures. This breaker complies with industry standards for molded case circuit breakers, ensuring dependable performance in commercial and industrial power distribution systems. Typical applications include branch circuit protection, feeder protection, and general-purpose load management in three-phase electrical systems.

Key Features & Specifications
  • Type: QJ
  • Manufacturer: Siemens
  • Item Subcategory: Molded Case
  • Family: QJ Series
  • Weight: 4 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 240V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 10kA@240V
  • Phase: 3
  • Current Rating: 70A
  • Part Number: QJ3M070
  • Series: QJ Molded Case