Product Description

ZW32-12(G) Series Outdoor High Voltage Vacuum Circuit Breaker
ZW32-12(G) Series Outdoor High Voltage Vacuum Circuit Breaker

rated voltage	12kv
rated current	630 400 200A
rated short-circuit breaking current	12.5 16 20kA
rated frequency	50Hz
mechanical life	10000times

rated operating sequence	0-0.3s-CO-180s-CO
rated short-circuit closed current	50kA
rated peak withstand current	50kA
rated short time withstand current	20kA
rated short-circuit duration	4s

closing time	25~45ms
total break time	≤100ms

arcing time	≤20ms
storage energy time on rated voltage	75W

NO	Item	Unit	Technical Data
1	Rated voltage	KV	12
2	1 min power frequency withstand voltage		42
2	Lighting impulse withstand voltage(peak value)		75
3	Rated Frequency	Hz	50
4	Rated current	A	630, 1250, 1600, 2000, 2500, 3150, 4000
5	Rated short time withstand current	KA	20, 25, 31.5, 40
6	Rated withstand current(peak)		50, 63, 80, 100
7	Rated short-circuit opening current		20, 25, 31.5, 420
8	Rated short-circuit closing current		50, 63, 80, 100
9	Rated duration of short-circuit	S	4
10	Contact's clearance		3.5±0.5
11	Contact's travel		9±1/11±1
12	Average opening speed	M/s	1.1±0.2
13	Average closing speed	M/s	0.6±0.2
14	Opening time	Ms	35-60
15	Closing time	Ms	20-45
16	Mechanical life	Times	30000
17	Rated operating order		O-0.3S-CO-180S-CO(<40KA) O-180S-CO-180S-CO(≥40KA)