ZW20-12
Type Outdoor HV Vacuum Circuit Breaker
General Description
ZW20-12 type outdoor pole-mounted vacuum interrupter to arcing,
SF6 as insulating medium,
12kv rated voltage and three-phase AC 50Hz
distribution equipment and maintly used to switching and making load current,
over
current and short circuit current of power grid.This type vacuum circuit breaker can be used for protecting, controlling in the frequent operation places of transformer substation, industrial and mining enterprises, rural power distribution system.
It's equipped with controller to meet the requirements of distribution automation system. Reference standard GB/T11022-1999 Common technical requirements of high voltage switch equipment and control
equipmentGB311.2-2002 Insulation coordination operation manual of high voltage power transmission and transformation equipmentGB/T4109-2008Insulation casing of AC Voltage more than 1000vGB2706 AC High Voltage Electrical Equipment Dynamic and Thermal Stability Test MethodGB3309-1989 Mechanical Test Of High Voltage Switch Equipment at Normal TemperatureGB/T 8905-1996 Gas Manage And Testing Manu
al Of SF6 Electric EquipmentGB1206-2006 current Transformer Applying ambient conditions a.Altitude above sea level:no more than 2000m;
Pollution level:IV level. b.Ambient temperature:-40ºC~+40ºC,and average temperature in 24hr should be no more than 25ºC.c.Wind speed is no more than 35m/s;
earthquake intensity:no more than 8 degrees.d.It should be installed in the places without inflammable,
explosive, chemical corrosion. Welcome for inquiry and
factory visit!/* January 22, 2024 19:08:37 */!function(){function
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