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Siemens EF3A020 - Molded Case 20A 600V 3-Pole

Siemens
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Siemens EF3A020 is a 3-pole molded case circuit breaker from the EF Series designed for magnetic-only instantaneous protection in industrial power distribution systems. This bolt-on unit is rated for 600V AC, 20A continuous current, and 14kA interrupting capacity at 480V, providing reliable short-circuit protection for three-phase applications. The compact molded case construction weighs 8 lb and features an instantaneous trip function (I) that responds solely to overcurrent conditions without thermal delay. It complies with applicable UL and NEMA standards for industrial circuit protection. Typical applications include motor control centers, panelboards, and switchgear requiring magnetic-only overcurrent protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, EF Series, Magnetic Only
  • Voltage Rating: 600V AC
  • Current Rating: 20A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Magnetic Only (Instantaneous)
  • Functions: I - Instantaneous
  • AIC Rating: 14kA@480V
  • Weight: 8 lb
  • Family: EF Series
  • Item Subcategory: Molded Case
  • Type: EF


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