TD422-01Y-1090/2512型施邁賽開關：SCHMERSAL開關為限位開關，德國*，此系列開關的開關元件有1至6對觸頭選擇，其觸頭組合形式多樣，主要為緩動式雙斷點觸頭，其常閉觸頭為肯定斷開工作。

施邁賽限位開關      SCHMERSAL限位開關      T422系列限位開關

TV10H256-02z,
TS235-11z,
TR235-11z,
TS235-20z,
TR235-20z,
TS235-02z,
TV7H256-11z,
TK4256-20z,
TV1H256-20z,
TV7H256-20z
TK4256-02z,
TV1H256-02z,
TS336-02zh,
TR336-02zh,
TV10H235-02Z,
T3K235-02Z,
Z4K235-11Z,
ZS336-11z,
TR336-11zh,
TS336-02z,
TR336-02z,
TV12H235-11Z,
TV14H235-11Z,
ZK4235-11Z,
T4K235-11Z,
TK4235-11Z,
T4K235-20Z,
AZ235-11z,
ZR235-11z,
TV7H256-02z,
ZV10H256-11z,
TV10H256-11z,
TV10H256-20z,
Z3K256-11z,
Z4K256-11z,
T3K256-11z,
TS256-11z,
TR256-11z,
TS256-20z,
ZV7H256-11z,
TK235-20z,
T4S235-02z,
T4R235-02z,
TK235-02z,
T3K235-20Z,
TR336-20z,
TS336-11zh,
T4V7H336-20z,
ZV14H235-11Z,
T4K256-11z,
T3K256-20z,
T4K256-20z,
TK4235-20Z,
T3K256-02z,
T4K256-02z,
ZK4256-11z,
ZV1H256-11z,
Z4VH336-02z,
TK4235-02Z
ZS256-11z,
ZR256-11z,
T4R256-11z,
TK256-11z,
T4S256-20z,
T4R256-20z,
T4VH336-02zh,
T4VH336-11z,
T4V7H336-11z,
T4V10H336-11z,
TK256-20z,
T4S256-02z,
T4R256-02z,
TK256-02z,
TK4256-11z,
TR256-02z,
Z4S256-11z,
Z4R256-11z,
ZK256-11z,
T4S256-11z,
T3K235-11Z,
TV10H235-20Z,
TR235-02z,
Z4S235-11z,
Z4R235-11z,
ZK235-11z,
Z4V7H336-02z,
Z4V10H336-02z,
T4VH336-11zu,
T4V7H336-02z,
T4V10H336-02z,
ZV12H235-11Z,
T4V10H336-11zu,
T4VH336-20z,
ZR336-11z,
ZS336-02z,
ZR336-02z,
TS336-11z,
TR336-11z,
TS336-11zu,
TR336-11zu,
TS336-20z,
Z4VH336-11z,
Z4V7H336-11z,
Z4V10H336-11z,
TR256-20z,
T4V7H336-11zu,
T4V10H336-20z,
T4VH336-20zh,
T4V7H336-20zh,
T4V10H336-20zh,
T4VH336-02z,
TS256-02z,