1. Zn63-12 VS1 12kv 10kv 11kv Vacuum Circuit Breaker
|4||Rated short circuit breaking current||KA||20||25||31.5|
|5||Rated short circuit making current||KA||50||63||80|
|6||Rated peak withstand current||KA||50||63||80|
|7||4S rated short circuit withstand current||KA||20||25||31.5|
|8||Rated insulation level||Power frequency withstand (before and after rated breaking)||KV||42 (opening distance 48)|
|Impulse withstand voltage (before and after rated breaking)||KV||75(opening distance 85)|
|9||Rated operating sequence||O-0.3S-CO-180S-CO|
|11||Rated short circuit breaks number||time||50|
|12||Rated closing voltage of operating mechanism (DC)||V||110,220|
|13||Rated opening voltage of operating mechanism (DC)||V||110,200|
|14||Clearance between open contacts||mm||11±1|
|15||Over travel (contact spring compressed length)||mm||3.5±0.5|
|16||Opening and closing bounce time of three phases||ms||≤ 2|
|17||Contact closing bounce time||ms||≤ 2|
|18||Average opening speed||m/s||1.1±0.2|
|19||Average closing speed||m/s||0.6±0.2|
|20||Opening time||Under max operating voltage||S||≤ 0.05|
|21||Under minimum operating voltage||S||≤ 0.08|
|23||Main circuit resistance of each phase||μΩ||60||50|
|24||Allowed wearing thickness of moving and fixed contact||mm||3|
5. Factory show
6. Deliver, shipping
1. How to order the products?
Answer; Send the inquiry with detail item description or with Model number. If there is no packing demand .we take it as sea-way packing.
2. About lead time and shipping time?
Answer : The lead time depend on quantity of order. Usually shipped by sea, small order or urgent order.we can send you by air after received your agreement.
3．Life span of our XG brand?
Answer: Generally we promise two years quality guarantee, some products will be extended longer time for life span.
XIGAO Electricenergy Group Co.,LTD.
Add.: No. 6, Weibei Industrial Park, Xi'an City, Shaanxi Pro., CN. 710600
Phone: 0086 13319220197