亚洲中文字幕亚洲中文精-国产麻豆精品久久毛片-在线免费亚洲视频自拍-激情亚洲人在线文学区

Hubei Dayu Hanguang Vacuum Electric Co.,Ltd.
CN EN

Vacuum interrupter for indoor circuit breaker TD315Y

Model:VITD12/1250-25

Category:VI for indoor circuit breakers

Product details

1435888365160408.jpg
Main Technical Specification
VOLTAGE RATINGS
Rated voltage(Ur)kV12
Rated short-time(1min)power-frequency withstand voltage(Ud)kV48
Rated lightning impulse withstand voltage(Peak)(Up)kV85
Rated frequency(fr)Hz50
CURRENT RATINGS
Rated current(Ir)A630/1250
Circuit resistance at lowest rated contact forceμΩ≤20
Rated short-circuit breaking current(lsc)kA25
Breaking operations of rated short circuit breaking currentTimes30
Rated short-time withstand current(lk)kA25
Rated duration of short-circuit(tk)s4
Rated peak withstand current(lp)kA63
Rated short-circuit making current(lMc)kA63
Rated cable-charging breaking current(lc)A25
Rated breaking current of single capacitor bank(lsb)A400
Rated breaking current of back-to-back capacitor bank(lbb)A400
MECHANICAL DATA
Weight of movable partskg≤1.3
Closing force due to bellow and atmosphereN120±50
Force required to hold contacts open at full strokeN190±60
MECHANICAL REQUIREMENTS
Clearance between open contactsmm11±1
Average opening speed (contact close position~75%contact gap)m/s1.0±0.25
Average closing speed (30%contact gap-contact close position)m/s0.6±0.15
Rated added external contact final forceN2000±100
Added external contact force at contact touch point1600±100
Contact bouncing duration at closing operationms≤2
Closing and opening non-simultaneity of three-phase contactsms≤1
Maximum rebound during openingmm≤3
LIFE
Storage lifeyears20
Rated mechanical enduranceTimes10000
Contacts limit erosionmm3

Relevant information

宜州市| 军事| 布尔津县| 阆中市| 淮北市| 百色市| 大名县| 融水| 千阳县| 龙岩市| 大邑县| 周宁县| 礼泉县| 凉山| 旌德县| 普格县| 章丘市| 新乡县| 山西省| 嵊泗县| 芮城县| 灵石县| 高尔夫| 伊川县| 天台县| 陆丰市| 天峻县| 曲麻莱县| 望城县| 新宁县| 蒙阴县| 保康县| 郧西县| 大城县| 德格县| 从化市| 安多县| 资阳市| 托克逊县| 屯门区| 金昌市|