Yueqing Adier Electric Co., Ltd.

home products High-Voltage Components vacuum interrupters Td-12/1250-20(1117) (zn63,zn28)

vacuum interrupters Td-12/1250-20(1117) (zn63,zn28)

Product Details:

Place of Origin	Zhejiang, China (Mainland)

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Detailed Product Description

This Produst named BD-12/630-20(1003C)FOR CIRCUIT BREAKER(ZN63, ZN28),and we can supply other high voltage Components: vacuum interrupters,vacuum circuit breaker,vacuum contactor,operating manchine,outdoor vacuum circuit breaker,indoor high voltage vacuum load switch.

TD-12/1250-20(1117)FOR CIRCUIT BREAKER (ZN63,ZN28)
TD-12/630-20(1117C)FOR CIRCUIT BREAKER (ZN63,ZN28)
Technical parameter
NO	Referencename	Unit	Date
1	Rated voltage	kV	12
2	Rated current	A	1250/630
3	Rated frequency	Hz	50
4	Working frequency withstand voltage in short time(1min)	kV	42
5	Lighting impact withstand voltage	kV	75
6	Rated short breaking current	kA	20
7	Rated peak value withstand current	kA	50
8	Rated short circuit making current	kA	50
9	Rated short time withstand current	kA	20
10	Rated short circuit lasting time	S	4
11	Rated single capacitor group breaking current	A	630
12	Rated back to back capacitor group breaking current	A	400
13	Breaking times of rated short circuit breaking current	Times	50
14	Machine life	Times	10000
15	Contact head auto-closing force	N	100±50
16	Counterforce at rated contact distance	N	200±50
17	Limit time Circuit resistance at rated contact force		≤25
18	Contact head erosion permission length	mm	3
19	Internal gas pressure of vacuum Arc control device	Pa	≤1.33×10^-3
20	Mass of moving parts	kg	1.2
21	Mass of vacuum Arc control device	kg	3.4