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Osisense XC - XCKM221 or XCKM221H29 limit switch cross-reference

The XCKM221 or XCKM221H29 limit switch has been completely discontinued in november 2003 (obsolete contact version). It was in fact an XCKM121(H29) switch with some contact state indicator; see attached picture. It used the ZCKM2(H29) special contact body. It is replaced by the XCKM121 or XCKM121H29 since 2004, having a new contact block.

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