ZW20-12 Series Outdoor High Voltage Vacuum Circuit Breaker

ZW20-12 Series Outdoor High Voltage Vacuum Circuit Breaker is a 3-phase AC 50Hz 12kV outdoor switch equipment.
♦ Installation way: pole mounted;
♦ Pole type: integrated pole;
♦ Application: outdoor 12kV substation, power plant.
♦ Operation type: manual, electric, remote control.

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Product Description

XUCKY Electric as a manufacturers & suppliers of ZW20-12 Series Outdoor High Voltage Vacuum Circuit Breaker in China for more than 25 years, the performance of its oil immersed transformer is according with IEC60076, GB1094, GB/T6451. Meanwhile our distribution transformer has won great reputation with high quality and good price in Russia, South Asia, Africa, Middle East and South America. We provide customization and technical supporting. Feel free to contact us for a competitive quotation and all technical supports online!

♦ Installation way: pole mounted;

♦ Pole type: integrated pole;

♦ Application: outdoor 12kV substation, power plant.

♦ Operation type: manual, electric, remote control.

Environmental Conditions

♦ Altitude: <2000m;

♦ Air temperature: -40°C 〜+40°C; daily temperature change <25°C;

♦ Wind speed < 35m/s;

♦ Filthy level: IV;

♦ Installation places: No fire, explosion hazard, severe chemical corrosion or serious vibration;

♦ Earthquake intensity: <8 level.

Main Technical Parameters

NO	Item		Unit	Value
1	Rated voltage		kV	12
2	Power frequency withstand voltage (1min)	(dry) inter-phase, earth/fracture；	kV	42/48
2	Power frequency withstand voltage (1min)	(wet) inter-phase, earth	kV	34
3	Lightning impulse withstand voltage (interphase, earth/fracture)		kV	75/85
4	Rated current		A	630,1250
5	Rated frequency		Hz	50
6	Rated short circuit breaking current		kA	20, 25
7	Rated peak value withstand current (peak)		kA	50, 63
8	Rated short time withstand current		kA	20, 25
9	Rated short circuit making current		kA	50, 63
10	Rated short circuit duration		S	4
11	Rated operating sequence		Times	O-0.3S-CO-1 80S-CO
12	Rated short circuit breaking current breaking number		Times	30
13	Mechanical life		Times	10000
14	Rated operation voltage (can be customized)		V	220
15	Opening time		ms	≤80
16	Closing time		ms	≤120
17	Fully breaking time		ms	≤100
18	Rated cable charging breaking current		A	50
19	Grade			E2~C2~M2(10000)
20	Rated short circuit breaking current breaking number		Times	30