Check your eligibility criteria for tender Supply of Electronic Time Delay Relay With Time Delay 2 Minutes For Starting Of First Compressor And Further Delay Of 30 Seconds For Starting Of Second Compressor Operated On 95-115 V Ac, 50 Hz For Eog Ac Coaches & 110+ 5 % V Ac, 50 Hz For Sgac Coaches For Control Panel Of Ac Coaches Conforming To Rdso Specification No Rdso /Pe/Spec/Ac/ 0060- 2004, Rev-0.