... Zinc plated steel enclosure Hitachi Elevator Limit Switch LX-21 LX-22 LX-PDetails Products Description:Limit Switch:LX-21 LX-22 LX- ... enclosure2.Transparent cover for checking adjusting contacts3.Series of elevator limit switch:LX-21 LX-22 LX-P Normal open/Normal ... in terms of mechanism, sheetmetal,plastics,moulding,electric appliance,together with SMTl line, which are respectively used in key parts ...