Limit Switch - Top Roller Type With 2 No+2 Nc Contacts Suitable For Electric Lifting Barrier Wit H Hand Generator As Per Specification No.Rdso/Spn/208/2012 Version 2.0 With Latest Amendments/Versio N. Specn: Rdso/Spn/180/2005(Amdt.-1) [ Warranty Period: 30 Months After The Date Of Delivery ] ]