Relay Fail Safe Electronic Time Delay Device with fixed timing

Description :Relay Fail Safe Electronic Time Delay Device with fixed timing (0-60sec) seconds and confor ming to RDSO Spec- IRS:S-61/2000 with and IRS:S34& S-23 with Amd up to date or latest mounted on Q se ries relay base & covered complete with connectors, retaining clip etc The interlocking code for this unit sh all be AFHKY, Inspection authority by RDSO [ Warranty Period: 30 Months after the date of delivery ] ] Consignee SSE/Sig/Stores, METRO West Bengal 5.00 Numbers UVAM Item ref. ( Item Id :- 3100066 - Fail Safe Electronic Time Delay Device For Railway Signalling (FSETTD) , Sub Item Id:-3100066001 - Fail Safe Electronic Time Delay Device For Railway Signalling : Working Voltage 24V DC with time delay of 10/20/30/60/120 Sec )