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德國SCHMERSAL施邁賽 德國SCHMERSAL施邁賽

是專業(yè)做限位開關(guān)的一個(gè)品牌， SCHMERSAL限位開關(guān)就是用以限定機(jī)械設(shè)備的運(yùn)動(dòng)極限位置的電氣開關(guān)SCHMERSAL。限位開關(guān)有接觸式的和非接觸式的。接觸式的比較直觀，機(jī)械設(shè)備的運(yùn)動(dòng)部件上，安裝上行程開關(guān)，與其相對運(yùn)動(dòng)的固定點(diǎn)上安裝極限位置的擋塊，或者是相反安裝位置。當(dāng)行程開關(guān)的機(jī)械觸頭碰上擋塊時(shí)，切斷了（或改變了）控制電路，機(jī)械就停止運(yùn)行或改變運(yùn)行。由于機(jī)械的慣性運(yùn)動(dòng)，這種行程開關(guān)有一定的“超行程”以保護(hù)開關(guān)不受損壞。非接觸式的形式很多，常見的有干簧管、光電式、感應(yīng)式等，這幾種形式在電梯中都能夠見到。當(dāng)然還有更多的*形式。
SCHMERSAL施邁賽限位開關(guān)是一種常用的小電流主令電器。利用生產(chǎn)機(jī)械運(yùn)動(dòng)部件的碰撞使其觸頭動(dòng)作來實(shí)現(xiàn)接通或分?jǐn)嗫刂齐娐?，達(dá)到一定的控制目的。通常，這類開關(guān)被用來限制機(jī)械運(yùn)動(dòng)的位置或行程，使運(yùn)動(dòng)機(jī)械按一定位置或行程自動(dòng)停止、反向運(yùn)動(dòng)、變速運(yùn)動(dòng)或自動(dòng)往返運(yùn)動(dòng)等。
在電氣控制系統(tǒng)中，限位開關(guān)的作用是實(shí)現(xiàn)順序控制、定位控制和位置狀態(tài)的檢測。用于控制機(jī)械設(shè)備的行程及限位保護(hù)。構(gòu)造：由操作頭、觸點(diǎn)系統(tǒng)和外殼組成。
在實(shí)際生產(chǎn)中，將SCHMERSAL限位開關(guān)安裝在預(yù)先安排的位置，當(dāng)裝于生產(chǎn)機(jī)械運(yùn)動(dòng)部件上的模塊撞擊行程開關(guān)時(shí)，限位開關(guān)的觸點(diǎn)動(dòng)作，實(shí)現(xiàn)電路的切換。因此，行程開關(guān)是一種根據(jù)運(yùn)動(dòng)部件的行程位置而切換電路的電器，它的作用原理與按鈕類似。
SCHMERSAL限位開關(guān)廣泛用于各類機(jī)床和起重機(jī)械，用以控制其行程、進(jìn)行終端限位保護(hù)。在電梯的控制電路中，還利用行程開關(guān)來控制開關(guān)轎門的速度、自動(dòng)開關(guān)門的限位，轎廂的上、下限位保護(hù)。
SCHMERSAL施邁賽限位開關(guān)部分型號展示：
TV7H256-11z, TK4256-20z, TV1H256-20z, TV7H256-20z TK4256-02z,
TV1H256-02z, TV7H256-02z,ZV10H256-11z,TV10H256-11z,TV10H256-20z,
TV10H256-02z,ZS336-11z,  ZR336-11z,   ZS336-02z,   ZR336-02z,
TS336-11z,   TR336-11z,  TS336-11zu,  TR336-11zu,  TS336-20z,
TR336-20z,   TS336-11zh, TR336-11zh,  TS336-02z,   TR336-02z,
TS336-02zh,  TR336-02zh, Z4VH336-11z, Z4V7H336-11z,Z4V10H336-11z,
Z4VH336-02z,  Z4V7H336-02z,Z4V10H336-02z,T4VH336-11z,T4V7H336-11z,
T4V10H336-11z,T4VH336-11zu,T4V7H336-11zu,T4V10H336-11zu,T4VH336-20z,
T4V7H336-20z, T4V10H336-20z,T4VH336-20zh,T4V7H336-20zh,T4V10H336-20zh,
T4VH336-02z,  T4V7H336-02z, T4V10H336-02z,T4VH336-02zh,T4V7H336-02zh,
T4V10H336-02zh,TVH336-01/01z,Z1K336-11z, Z3K-336-11z, Z1K336-02z,
Z3K-336-02z,  T1K336-11z,  T3K-336-11z,  T1K336-11zu, T3K-336-11zu,
T1K336-20z,   T3K-336-20z, T1K336-20zh,  T3K-336-20zh,T1K336-02z,
T3K-336-02z,  T1K336-02zh, T3K-336-02zh，ZS236-11Z,   ZR236-11Z,
TS236-11Z,    TR236-11Z,   TS236-20Z,    TR236-20Z,   TS236-02Z,
TR236-02Z,    Z4R236-11Z,  ZK236-11Z,    T4R236-11Z,  TK236-11Z,
T4R236-20Z,   TK236-20Z,   T4R236-02Z,   ZK236-02Z,   ZV1H236-11Z,
Z1R236-11Z,   TV1H236-11Z, T1R236-11Z,   TV1H236-20Z, T1R236-20Z,
TV1H236-02Z,  T1R236-02Z,  ZV10H236-11Z, Z3K236-11Z,  TV10H236-11Z,
T3K236-11Z,   TV10H236-20z,T3K236-20z,   TV10H236-02Z,T3K236-02Z,
Z4K236-11Z,   ZK4236-11Z,  T4K236-11z,   TK4236-11z,  T4K236-20z,
TK4236-20z,   T4K236-02z,  TK4236-02z    ZS335-11z,   ZR335-11z,
ZS335-02z,    ZR335-02z,   TS335-11z,    TR335-11z,   TS335-11zu,
TR335-11zu,   TS335-20z,   TR335-20z,    TS335-11zh,  TR335-11zh,
TS335-02z,    TR335-02z,   TS335-02zh,   TR335-02zh,  Z4VH335-11z,
Z4V7H335-11z, Z4V10H335-11z,Z4VH335-02z, Z4V7H335-02z,Z4V10H335-02z,
T4VH335-11z,  T4V7H335-11z, T4V10H335-11z,T4VH335-11zu,T4V7H335-11zu,
T4V10H335-11zu,T4VH335-20z,T4V7H335-20z,  T4V10H335-20z,T4VH335-20zh,
T4V7H335-20zh,T4V10H335-20zh,T4VH335-02z,T4V7H335-02z,T4V10H335-02z,
T4VH335-02zh, T4V7H335-02zh,T4V10H335-02zh,TVH335-01/01z,Z1K335-11z,
Z3K-335-11z,  Z1K335-02z,Z3K-335-02z,T1K335-11z,T3K-335-11z,
T1K335-11zu,  T3K-335-11zu,T1K335-20z,T3K-335-20z,T1K335-20zh,
T1K335-02z,T3K-335-02z,T1K335-02zh,T3K-335-02zhZS332-11y,
ZR332-11y,Z4VH332-11y,Z4V10H332-11y,Z4V7H332-11yZS355-11z,
ZR355-11z,ZS335-02z,ZR335-02z,TS355-11z,TR355-11z,TS355-11zu,
TR355-11zu,TS355-20z,TR355-20z,TS355-20zh,T4V7H335-02zh,
T4V10H335-02zh,TVH335-01/01z,Z1K355-02z,Z3K355-02z,T1K355-11z,
T3K355-11z,TV10H236-11Z,T3K236-11Z,T1K355-11zu,T3K355-11zu,
T1K355-20z,T3K355-20z,T1K355-20zh,T3K355-20zh,T1K355-02z,
T3K355-02zT1K355-02zh,T3K355-02zh,Z4VH355-11z,Z4V10H355-11z,
Z4V7H355-11z,T4V7H355-02z,T4VH355-02zh,T4V10H355-02zh,
T4V7H355-02zh,TVH355-01-01zZ4VH355-02z,Z4V10H355-02z,
Z4V7H355-02z,T4VH355-11z,T4V10H355-11z,T4V7H355-11z,TR355-02zh,
Z1K355-11z,T4V7H335-20zh,T4V10H335-20zh,T4VH335-02z,T4V7H335-02z,
T4V10H335-02z,T4VH335-02zh,T4VH355-11zu,T4V10H355-11zu,
T4V7H355-11zu,T4VH355-20z,T4V10H355-20z,TR355-20zh,
TS355-02z,TR355-02z,TS355-02zh,T3K-335-20zh,