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Сравнение

ЩЗП-3У

Overvoltage protection shield corresponds to SPD Class I+II (B+C type) and combines the first and the second protection stages during lightning strikes.

 

Lightning surge protection class I+II
Grid type 1 / PEN
Nominal input voltage, V 220
Maximum phase long operating voltage, V 260
Overall dimensions, mm 315х455х155
Mass, kg 10
Ideal for:
  • Промышленные производственные и офисные здания, банки, деловые и торговые центрыПромышленные производственные и офисные здания, банки, деловые и торговые центры
  • Enterprises and facilities of oil and gas industryEnterprises and facilities of oil and gas industry
  • Communication and telecommunication objects, servers, DPCsCommunication and telecommunication objects, servers, DPCs
  • Medical institutions and healthcare enterprisesMedical institutions and healthcare enterprises
Key advantages:
  • Can tolerate high value of lightning pulse discharge current (10/350 μs): 35 kA for each phaseCan tolerate high value of lightning pulse discharge current (10/350 μs): 35 kA for each phase
  • Indication of protection modules faults (thermal protection response)Indication of protection modules faults (thermal protection response)
  • Remote control using "dry" contact interfaceRemote control using "dry" contact interface
  • Protection against protection modules short circuit at long-term surges or overvoltage pulsesProtection against protection modules short circuit at long-term surges or overvoltage pulses
  • Convenient connection in parallel to the grid with minimal interference in wiringConvenient connection in parallel to the grid with minimal interference in wiring
  • Safe maintenance and repair without disconnecting consumers from the protected gridSafe maintenance and repair without disconnecting consumers from the protected grid