Siemens 5SY4120-5 - Molded Case 20A 400V 1-Pole
Siemens 5SY4120-5 - Molded Case 20A 400V 1-Pole

Siemens 5SY4120-5 - Molded Case 20A 400V 1-Pole

Siemens
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Siemens 5SY4120-5 Circuit Breaker is a 1-pole molded case circuit breaker designed for overcurrent protection in industrial electrical systems. It operates at a voltage rating of 400V with a current rating of 20A, providing thermal magnetic protection through LI (Long-Time and Instantaneous) functions. The unit features a feed-thru connection, weighs 5.19 lb, and is part of the 5SY Series with a compact molded case construction. It complies with industry standards, offering a 6kA interrupting capacity at 400V for single-phase applications. This breaker is typically used in industrial control panels and distribution systems requiring reliable short-circuit and overload protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection
  • Voltage Rating: 400V
  • Current Rating: 20A
  • Poles: 1
  • Phase: 1
  • AIC Rating: 6kA@400V
  • Connection: Feed-Thru
  • Protection: LI - Long-Time and Instantaneous
  • Weight: 5.19 lb
  • Family: 5SY Series
  • Item Subcategory: Molded Case


  • UPC: 075455487520