Siemens 5SY4218-7 - Molded Case 18A 400V 2-Pole
Siemens 5SY4218-7 - Molded Case 18A 400V 2-Pole

Siemens 5SY4218-7 - Molded Case 18A 400V 2-Pole

Siemens
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Siemens 5SY4218-7 Circuit Breaker is a molded case circuit breaker designed for overcurrent protection in industrial electrical systems. This 2-pole, 2-phase unit operates at a voltage rating of 400V with a current rating of 18A, featuring a thermal magnetic protection mechanism that provides LI (Long-Time and Instantaneous) functions. The breaker weighs 1 lb and utilizes a feed-thru connection type, with an AIC rating of 10kA at 400V. It complies with industry standards for molded case circuit breakers, ensuring reliable performance in demanding environments. Typical applications include protecting branch circuits and equipment in industrial control panels and distribution systems.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic
  • Voltage Rating: 400V
  • Current Rating: 18A
  • Poles: 2
  • Phase: 2
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC Rating: 10kA@400V
  • Weight: 1 lb
  • Family: 5SY Series


  • UPC: 75455488946
  • GTIN: 00754554889467