ITU-T K.21
Products as per Basic standards

High Voltage SPN Series  Coupling / Decoupling Networks for Lightning Surge Testing 
- Description:SPN Series coupling/decoupling networks for lightning surge testing include singe-phase and three-phase power cable coupling/decoupling networks 
 - Model: 
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Combination Wave Surge Immunity Test Simulator CWS 1000CM CWS 1000MM
- Description:Combination wave surge immunity test simulator  CWS 1000CM/MM is designed to perform combination wave surge immunity tests according to IEC 61000-4-5, capable of generating waveforms of 1.2/50 μs 
 - Model:CWS 1000CM, CWS 1000MM 
 - For more details