Tenders for Supply of Thermostat Solid State Temperature Controller To Rdso Specification N O: Rdso/Pe/Spec/Ac/0020 Latest Alt. Make: A.Paul Instruments / Venusbasio / Analog Ele Ctronics. Note: 1 Item Should Be Suitable For 2T Capacity Roof Mounted Cab Ac Of M Ake Daulatram / Fedders Lylord / Sidwal Fitted On Conventional Electric Locos To R Dso Specification No: Rdso/2007/El/Spec/0055 Rev.2 Of Nov 2007/Revised On 07.10.2014. 2 On E Sample To Be Got Approved Before Effecting Bulk Supply. Warranty Period: 12 Months A Fter The Date Of Delivery