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Сравнение

ЩЗК-3-УЗК

Shield with complex protection is a device that combines a set of protection measures against negative influences that appear in AC power supply grids.

 

Lightning surge protection II
Grid type 3 / PEN
3 / N / PE
Nominal input voltage, V 380
Extreme range of Y-voltage, V 80...440
Overall dimensions, mm 400x270х130
Mass, kg 5,5
Scope of use:
  • Security systems, security and fire alarm systems, video surveillanceSecurity systems, security and fire alarm systems, video surveillance
  • Household appliancesHousehold appliances
  • CNC Machines, electric actuators, industrial equipmentCNC Machines, electric actuators, industrial equipment
  • Communication and telecommunication objects, servers, DPCsCommunication and telecommunication objects, servers, DPCs
Key advantages:
  • Safe short-term operation with overloadSafe short-term operation with overload
  • Indication of operating modes, remote alarm of thermal protectionIndication of operating modes, remote alarm of thermal protection
  • Efficient complex protection via a harmonized application of various protective elementsEfficient complex protection via a harmonized application of various protective elements
  • Maintaining working capacity at zero wire breaksMaintaining working capacity at zero wire breaks
  • Protection of electric receivers against voltage deviations, against residual pulse surgesProtection of electric receivers against voltage deviations, against residual pulse surges
  • Possibility to transfer the electric receivers power supply directly to the grid during maintenance workPossibility to transfer the electric receivers power supply directly to the grid during maintenance work