The 24KV breaker switch unit is comprised of three poles, the operating mechanism, and the operating mechanism housing. The sequence of the poles is A -B – C or 1 – 2 - 3 (sequence left to right when viewed from the lower terminal side of the recloser switch unit. 
  
 
  Each 24kv vacuum circuit breaker by GOPOWER is embedded in a solid-insulated pole made of weather-proof cyclo aliphatic epoxy resin. This enables a small design as well as resistance against environmental effects. 
  
 
  Breaker principle and design of 24KV Vacuum Circuit Breaker 
  ZW32 series 24KV circuit recloser are used in distribution systems. 24kv vacuum circuit breakes are used to make and break normal and fault currents. Breakers are fully equipped with sensors and a controller to provide a means of protection and control. For more pole top switches at bulk price. 
  
 
  In case of a line fault, breakers can break and make currents several times, thus avoiding longer network interruptions due to temporary faults. The manufacture, design, and testing of the vacuum recloser is based on current standards IEC 62271-111:2019 
  
 
  Technical Parameters of 24KV Vacuum Circuit Breaker 
  Products Type ZW32-24 
  Maximum System Voltage 24kV 
  Rated Continuous Current 630A 
  Rated Frequency 50/60Hz 
  Short Time Withstand Current 20kA/1sec 
  Mainly Active Load Current 630A 
  Number of Load-break Operations 30 
  Short-circuit Making Current (peak) 50kA 
  Number of Making Operations 5 times 
  Cable Charging Current 25A 
  Line Charging Current 1.5A 
  Closed Loop Circuit Current 630A 
  Transformer Magnetizing Current 22A 
  Wet Condition-10sec Ph- Ph-Eth, Across Interrupters 50kV 
  DryCondition-1min,Ph- Ph, Phase to Earth 65kV 
  Dry Condition - 1 min AcrossInterrupter 79kV 
  Phase to Phase, Phase to Earth 125kV 
  Across Interrupter 145kV 
  Internal Arc Test 20kA /0.1 sec 
  Arc Extinction Medium vacuum 
  Insulation Medium vacuum 
  Creepage Distance (Silicon) 960mm 
  Dry arcing distance 200mm≥ 
  IP Level 67 
  Closing/Opening Time <1sec 
  Mechanical Operations (Guaranteed) 10000times 
  Operating Temperature (*Manual Type) -25~+70℃ 
  
 
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