ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker

Interruttore automatico sotto vuoto ad alta tensione per esterni ZW32-12

ZW32-12 outdoor high-voltage vacuum circuit breaker is an outdoor high-voltage distribution equipment with a rated voltage of 12kV and three-phase AC 50Hz. Mainly used for breaking and closing load current, overload current, and short-circuit current in power systems.

ZW32-12 model outdoor AC vacuum circuit breaker is used to make and break load current,overload current and short-circuit cur rent in12/24kV,50/60Hz power system.It is applicable for substations,industry and mining,urban and rural electricity power networks,especially foroccasions with frequent operation and automatic power distribution network.It accords with the standard of IEC62271-100&GB1984:AC highvoltage circuit breaker,IEC60694&GB/T11022:HV General technical requirement of switch and control apparatus.

Model Description

Interruttore automatico sottovuoto per esterni ad alta tensione

Ambient Condition

1.Altitude:<2000mm;
2.Ambient temperature:-40℃~+45℃
3.Wind speed:34m/s;
4.Earthquake intensity:<8 degree;
5.Ambient pollution:IV;
6.Ice thickNess:10mm;
7.Applicable occasions should be free from inflammables,explosives,corrosives and severe vibrations.

Parametri tecnici

No	Nome			Unità	Data
					12kV
1	Rated voltag			kV	12
2	Corrente nominale			A	630、1250
3	Rated insulating level	1min.PF withstand voltage	dry	kV	across open:42 contacts:48
			wet		34
4		Lightning impulse withstand voltage(peak)		kV	Interphase, to ground 75, break 85
5	Rated short-circuit breaking curren			kA	20、25
6	Rated short-circuit making current (peak)			kA	50、63
7	Rated peak withstand current			kA	50、63
8	4s rated short-time withstand current			kA	20、25
9	Rated operating sequence				O-0.3s-CO-180s-CO
10	Breaking times of rated short-circuit breaking current			次times	30
11	Mechanical duration			次times	10000
12	Rated voltage of energy storage motor			V	DC or AC220、DC110、48、24
13	Rated operation voltage			V	DCor AC220、DC110、48、24
14	Abrasions thickNess of contacts			mm	3
15	Rated current of over-current release			A	5
16	Current transformer ratio				200/5,400/5,600/5 Protection degree:III class,Class:0.5)