Key Lock Checking Relay Klcr 60V Dc With 4F/4B Contact Different Ward Combination With C Ase (Key Lock Checking Relay With Different Ward Combinations Three Ward Plates To Be Supplied With Each Relay) Working On 60V Dc, Ac Immunized Or Functional Equivalent Without Base Plates. Key Ward Shall Be Sp Ecified By Engineer In-Charge As Per Requirement Make : Siemens/Integra Or Similar [ Warranty Period: 30 Months After The Date Of Delivery ] ]