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Vsg/R Vacuum Circuit Breaker with Lateral Operating Mechanism

Product Description

VSG/R Vacuum circuit breaker with Lateral Operating Mechanism
Description
 VSG/R Vacuum Circuit Breaker with lateral operating mechanism is fixed installation. It is mainly used for fixed Switchgear. The circuit breaker can be used alone. It is more suitable for ring network power supply, box Transformer or various non-standard  power supply systems.
Parameters

Technical Information
Technical Specification     
Rated voltageKV 1224
Rated currentA 630,1250,1600,2500,3150 
Rated frequencyHZ 5050
Rated insulation level    
           1min power frequency witchstand voltageKV 42/4865
            Lightning impulse withstand voltageKV 75/85125
Rated short circuit breaking currentKA20/25 31.531.5
4S rated short circuit withstand current KA20/25 31.531.5
Rated peak tolerable currentKA50/63 8080
Rated short circuit switching current (peak value)KA50/63 8080
Operation sequence of automatic reclosure O-0.3s-CO-180s-CO  score-0.3s-score-180s-score
Arcing time ms  ≤15 
Rated short circuit breaking currenttimes100 50100
Mechanical lifetimes 2000020000
Contact opening (according to vacuum tube)mm 11±1(9±1)13±1
Contact overrunmm 3.5±0.53±1
Contact closing bounce timems ≤3≤2
Different periods of Three-phase closingms ≤2≤2
Opening speedm/s 0.9~1.50.9~1.7
Closing speedm/s 0.5~0.90.6~1.0
Opening timems ≤5020~50
Closing timems ≤10035~70
Main circuit resistance     
          Rated current:630AμΩ ≤50≤45
          Rated  current:1250A  ≤40≤35
Interphase centre distancemm 210±2210,270,275

Overall and installation dimensions
Vsg/R Vacuum Circuit Breaker with Lateral Operating Mechanism





 

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