| 喘余 Application |
Å a(ch┌n)瞳喘噐炭V小和式凪巓初|(zh━)嶄嗤遮莱、炭m吉卯姆來詞栽麗碵wh(hu│n)廠嶄壓住送50Hz~協660V賜1140V~協送400A式參和揃嶄恬藕狼y(t┓ng)議_(k─i)P(gu─n)Z才塘屶揃遍隆極議蛍_(k─i)P(gu─n)F岻喘。(d─ng)紗O(sh┬)之艮Wo(h┫)r(sh┴)匆辛恬蜍(d┛ng)C(j┤)音l訓軟(d┛ng)岻喘。 Å a(ch┌n)瞳隠o(h┫)狼y(t┓ng)寡喘枠M(j━n)議瞭室g(sh┫)嶄猟@幣、塘崔PSM2003狼y(t┓ng)周辛(sh┴)F(xi┐n)炭V塘徭(d┛ng)晒。 Å This series product is applicable for coal mine with firedamp or coal dust in the ambient,Applied as main switch (Z) of power aupply and branch switch(F) of terminal of disribution branch circuit of AC 50Hz rated voltage 660V or 1140V,rated current 400A and below,After add with a under-voltage protection,it can be used as infrequent start for electromotor. Å The protection system of this product adopts Chinese display and advanced singlechip tecnology .Equipped with PSW2003 system software to realize automatization of distribution for coal mine. |
| 蒙c(di┌n) Characteristics |
Å _(k─i)P(gu─n)醤嗤^(gu┛)d、玉揃、^(gu┛)、猩牘Wo(h┫)、眉(du━)Q來息隠o(h┫)x駮埖鴬(┐i)蛍屶_(k─i)P(gu─n)息隠o(h┫)議朔箟Wo(h┫)式息]i隠o(h┫)孔嬬。 Å The feeding switch possesses functions of overload,short-circuit,over voltage protection,phase loss and three-phase symmetric leakage protection,back-up protection of branch switch leakage protection and leakage locking protection.
廣Å侏蜍森匂侏、‰侏蜿L(f┘ng)欲帽]i侏 Note:Åis reactor type, ‰ is windy and electric gas locking type |
| 室g(sh┫)(sh┫) Technical parameter |
|
~協垢恬 Rated working voltage |
400A |
500A |
630A |
|
~協垢恬送 Rated working current |
1140V |
660V |
1140v |
660V |
1140v |
660V |
|
狢憩O涎?j┼n)狡楞?Limit breaking capacity of breaker |
7.5KA |
9KA |
9KA |
12.5KA |
12.5KA |
15KA |
|
蛍粁r(sh┴)g Breaking time |
30ms |
30ms |
30ms |
|
俳犇迷結送r(sh┴)g Time of cutting short-circuit current |
60ms |
60ms |
60ms |
|
息隠o(h┫)(d┛ng)恬怦峙 Resistance value of leakage protect action |
20KΩ |
11KΩ |
20KΩ |
11KΩ |
20KΩ |
11KΩ |
|
息]i峙 Leakage locking resistance value |
40KΩ |
22KΩ |
40KΩ |
22KΩ |
40KΩ |
22KΩ | | | | |
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