12KV/1250A-31.5KA permanent magnet operation mechanical vacuum circuit breaker inflatable  only for SF6 panel cabinet dedicated 

 Suitable for SF6 fully sealed fully insulated switchgear  pole distance 150mm

 12KV/630A-25KA permanent magnet operation mechanical vacuum circuit breaker inflatable only for SF6 panel cabinet dedicated 

 Suitable for SF6 fully sealed fully insulated switchgear  pole distance 150mm

 

  12KV/630A-25KA permanent magnet operation mechanical vacuum circuit breaker inflatable   for Air and SF6 panel cabinet dedicated 

 Suitable for Air and SF6 fully sealed fully insulated switchgear  pole distance 210mm

Universal type

 

  12KV/1250A-31.5KA permanent magnet operation mechanical vacuum circuit breaker inflatable   for Air and SF6 panel cabinet dedicated 

 Suitable for Air and SF6 fully sealed fully insulated switchgear  pole distance 210mm

Universal type

serial number	project	unit	Numerical value
1	Rated voltage	kV	12
2	Rated frequency	Hz	50
3	Rated current	A	630/(1250)
4	Rated short-circuit breaking current	kA	25/(31.5)
5	Rated peak withstand current ( peak )	kA	50/(80)
6	Rated short-circuit withstand current / duration	kA/s	25/4/(31.5/4)
7	Rated short-circuit making current ( peak value )	kA	63/80
8	Nominal Operation Sequence		Points- 0.3s -Combined points- 15s -Combined points
9	Mechanical life	times	greater than 10000
10	Rated current breaking times	times	greater than 10000
11	Rated short-circuit breaking current breaking times	times	30
12	Power frequency withstand voltage (1min): ( wet ) alternate to ground ( dry ) interphase, ground / fracture	kV	34/ 42/49
13	Lightning impulse withstand voltage (peak value) phase-to-phase, to ground / fracture	kV	75/85
14	Secondary circuit 1min power frequency withstand voltage	V	2000
15	Closing time	ms	<25
16	Opening time	ms	<15
17	Contact closing bounce time	ms	0
18	Open jump		<1/5 spacing
19	Three phase weight	kg	35
20	Three-phase circuit breaker auxiliary switch quantity		6NO+6NC