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Siemens EF3A070 - 70A 3-Pole Molded Case Breaker 600V

Siemens
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Siemens EF3A070 EF Series 70A 3-Pole Molded Case Circuit Breaker - Magnetic Only 600V The Siemens EF3A070 is a 3-pole molded case circuit breaker from the EF Series, designed for instantaneous magnetic-only protection in industrial power distribution systems. It is rated for 600V AC and 70A continuous current, with an AIC rating of 14kA at 480V, ensuring reliable fault interruption in three-phase applications. The unit features a bolt-on connection style, weighs 8 lb, and utilizes a compact molded case construction for panelboard installation. This breaker complies with industry standards for overcurrent protection and is intended for use in motor control centers and switchgear where short-circuit protection is required without thermal overload elements. Its magnetic-only trip mechanism provides instantaneous response to high fault currents, making it suitable for feeder circuits and equipment protection in industrial environments.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Magnetic Only
  • Voltage Rating: 600V AC
  • Current Rating: 70A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Magnetic Only (Instantaneous)
  • AIC Rating: 14kA@480V
  • Functions: I - Instantaneous
  • Weight: 8 lb
  • Family: EF Series
  • Item Subcategory: Molded Case


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