Contactor used ceramic vacuum interrupter

No.	Parameter name	Unit	Value
1	Rated voltage	kV	7.2
2	Rated current	A	630
3	Rated frequency	Hz	50
4	Rated put through current	kA	6.3
5	Rated breaking current	kA	5.04
6	Limiting breaking current	kA	6.3
7	Rated short-time withstand current	kA	6.3
8	Rated short-time withstand voltage	kV	32
9	Rated lighting impulse voltage	kV	60
10	Mechanical life	Time	1000000
11	Contact antomatic blocking ability	N	70±20
12	Force required to hold contacts open at full stork	N	100±20
13	Contact automatic blocking ability loop electrical resistance	μΩ	≤60
14	Contact-wear allowance tickness	mm	3
15	Shelf life	year	20
16	Internal gas pressure	Pa	≤1.33×10-3

Type: TJC-7.2/630(BGE510A)