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Circuit Breaker
ZW20 -12 Outdoor Pole-Mounted Vacuum Circuit Breaker
Model NO.
ZW20-12
Poles Number
3
Type
Circuit Breaker
Function
OVP(Overvoltage Protection)
Certification
VDE, ISO9001-2000, CE, CB, CCC
Phase
3 Phases AC 50Hz
Insulating Medium
Sf6
Rated Voltage
12kv
Transport Package
Non-Solid Wooden Case for Export Shipment
Specification
IEC: M2-E2-C2
Trademark
Longxiang Electric
Origin
Baoji, Shaanxi China
HS Code
85389000
Production Capacity
16000sets/Year
Reference Price
$ 810.00 - 900.00
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Description
Product Description
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 50 Hz outdoor distribution equipment and maintly used to switching and making load current, overcurrent 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 equipment
GB311.2-2002 Insulation coordination operation manual of high voltage power transmission and transformation equipment
GB/T4109-2008 Insulation casing of AC Voltage more than 1000v
GB2706 AC High Voltage Electrical Equipment Dynamic and Thermal Stability Test Method
GB3309-1989 Mechanical Test Of High Voltage Switch Equipment at Normal Temperature
GB/T 8905-1996 Gas Manage And Testing Manu al Of SF6 Electric Equipment
GB1206-2006 current Transformer
Applying ambient conditions
a.Altitude above sea level:no more than 2000m; Pollution level:IV level.
b.Ambient temperature:-40ºC~+40
ºC,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.
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