ZN63(VS1)-24 Series Handcart Type Indoor High Volt

ZN63 (VS1) -24 Series type indoor high voltage vacuum circuit breaker is rated voltage 24kV, three-phase AC 50Hz Indoor high-voltage switchgear ,apply for power stations, substations, and industrial and mining enterprises to control or protection transmission and distribution systems , specially for the important high altitude breaking load and frequent operation place. Circuit breaker manufacturing accordance with our national standard GB1984-2003"AC high voltage circuit breakers", DL / T403-2000"3.6 40.5kV Indoor Vacuum Circuit Breaker ordering technology"; and the related IEC standards And reliable interlock function. Circuit breaker operating mechanism for the spring energy storage type, can use AC and DC energy storage operations, can also be used manually. Circuit breaker can be equipped with long life permanent magnetic actuator, mechanical life can reached 60000 times ,can be used for extremely Frequent operation place, Circuit breaker designed to repackage the structure before and after, both can be used as a fixed installation unit, Can also be equipped with the chassis as used in the mounted unit. The use of environmental conditions: 1.Ambient temperature: not higher than +40 °C, not less than -15°C 2. Altitude: not exceed 1000m. 3. Relative humidity: daily average of not more than 95%, month average of not more than 90%. 4. Earthquake intensity: not more than ten. 5. No fire, explosion hazard, serious filthy, chemical corrosion, as well as places of intense vibration. Mainly technical parameters NOItemUnitsparameters1Rated voltageKV242Rated FrequencyHZ503Rated CurrentA630.1250.1600.2000.31504Rated short-circuit breaking currentKA20 25 31.55Rated short-circuit closing current (peak)KA50 63 806Rated short-circuit duration S47Rated short-circuit breaking current breaking numbernos50s8Rated operating sequence0-0.3s-CO-180s-CO9Rated lightning impulse withstandvoltagekv125101min power frequency withstand voltageKV6511Closing timems≤ 7012opening timems≤ 5013Mechanical lifeTimes2000014Rated Storage and operation voltageVAC DC 220/11015Breaking lifems≤ 80 16Storage lifes≤ 10 Adjust the parameters of mechanical properties: NoItemUnitParameters1Contact distancemm14±12 Contact Over-travelmm3.5±13Closing speedm/s1.0±0.24Opening speedm/s1.3±0.2 5Contact closing spring timems≤2 6Rated contact pressureN20KA(2400±200) 25KA (2400±200) 31.5KA(3100±200)7Three phase closing opening asynchronyms≤2