A limit switch is a make and break switch used in limiting the movements mainly in machine tools. Limit switches are available in following types:
1 NO + 1NC (single contact)
1 NO + 1NC (Double Contact)
2 NO + 1NC (3 elements)
2 NO + 1NO(3 elements).
Aluminium box with roller with either single contact or double contact.
Aluminium box with push rod with either single contact or double contact.
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