ZW32 50 ( 60 ) Hz High Voltage Outdoor electric abb Air blast Circuit Breakers pdf ZW32-12 manufacturer from China Wu Yin Electrical Equipment Co., Ltd

ZW32 50 ( 60 ) Hz High Voltage Outdoor electric abb Air blast Circuit Breakers pdf

Place of Origin:

Zhejiang, China (Mainland)


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Product Detail

Model No.: ZW32-12

ZW32 50 ( 60 ) Hz High Voltage Outdoor electric abb Air blast Circuit Breakers pdfAir Circuit Breakers Technical parameter<

ZW32 50 ( 60 ) Hz High Voltage Outdoor electric abb Air blast Circuit Breakers pdf
Air Circuit Breakers Technical parameter

Table 1 Circuit Breaker's Main Technical Data
				Data
NO	Item		Unit	12kv
1	Rated voltage		kV	12
2	Rated frequency		Hz	50
3	Rated current		A	630/1250
4	Rated short circuit breaking current		kA	20/25
5	Rated peak withstand current		kA	50/63
6	Rated short time withstand current/ lasting time		kA/s	20/4 , 25/4
7	Rated short circuit closing current(peak)		kA	50/63
8	Rated operating sequence			O-0.3s-CO-180s-CO
9	Mechanical life			10000
10	Rated short circuit breaking current breaking times			50
11	1min power frequency withstand current	(wet)	kV	34/36
11	1min power frequency withstand current	(dry)	kV	42/49
12	Lightning impulse withstand voltage(peak)		kV	75/85
13	Secondary circuit power frequency withstand voltage (1min)		V	2000

Table2 Circuit Breaker's Main Mechanical Data
NO	Item		Unit	Data
NO	Item		Unit	12kv
1	Clearance between contacts		mm	9±1
2	Contact's overtravel		mm	2.5±0.5
3	Open speed		m/s	1.4±0.2
4	Closing speed		m/s	0.7±0.2
5	Contact closing jumping time		ms	≤2
6	Pole center distance		mm	340±1.5
7	Three pole open/close non-simultaneity		ms	≤2
8	Each pole conducting circuit resistance		μΩ	≤70
9	Closing time		ms	25-60
10	Open time		ms	20-60
11	Motor's rated power		w	40

ZW32-12 type outdoor high voltage vacuum circuit breaker is three-phase AC,
50(60)Hz outdoor power distribution equipment with the rated voltage of 12kv,
Used to open and close the load current, over load current, and short circuit current in the electric power system.
Also used to protect and control the circuit in substation, mining and industrial enterprises,
and frequently used in the operation places such as rural power network.

Air Circuit Breakers Using environmental condition
A. The altitude above sea level does not over 2, 000 meters;
B. Surrounding air temperature: -40 ~+40 ;
C. The wind speed is not bigger than 34m/s;
D. The air filthy should be with in degree
E. Installing places: Not flammable, the explosion hazard, chemistry corrode place;
F. Does not have the regular fierce vibration