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3ctest TOV 380H/TOV 230L TOV High (Medium or Low) Voltage Transient View larger

3ctest TOV 380H/TOV 230L TOV High (Medium or Low) Voltage Transient


  • Safety protection: red and green light display
  • Set TOV supply parameters by PC software and test automatically
  • Alarm function with emergency stop switch and safety shield and door switch
  • Display real-time voltage and current in PC interface
  • Compatible for SPD action load and follow current
  • Automatically draw voltage and current waveform, save as BMP format, and easy to edit the test report
  • Automatically record test time, test current and voltage, etc
  • Compatible for supplementary test about SPD simulation failure mode in IEC61643-1:2011


  • IEC 61643-1
  • GB/T 16927
  • GB 18802.1

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Test Equipment Description

These equipments are used for Surge Protection Device(SPD)to perform the transient over voltage test caused by high or medium voltage system failure, also can be used for science research, as per IEC 61643-1:2005, GB/T 16927-2011, GB18802.1,etc.

TOV Test Parameters
Model TOV 380H TOV 230L
Ucs AC 240V AC 240V
Ut AC 1200V 1.32 times of Ucs,1.55times of Ucs
Ut current 300A 200ms 300A 5s
Phase superposition 0~360° --
Test supply Three phase,AC 380V 200kVA
Main switch Silicon controlled
Test box National standard size with SPD installation rail
Material of test box Epoxy+ Organic glass sheet
Measurement system PC remote control, current, voltage
General Parameters
Working Power Supply Three phase,AC380V ± 10%,50/60Hz
Environment temperature 15~35℃
Relative humidity 45%~75%
Grounding resistance Less than 0.5Ω
Dimensions 1800×800×1800mm
Weight Approx.700kg
Waveform distortion rate <5% if without conductive dust, without fire, without explosion danger, without corroding metal and insulation gas for sine power supply waveform

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