Sitop Modular 20 A Stabilized Power Supply Input: 400-500 V 3 Ac Output: 24 V Dc/20 A, Typ E:- 6Ep3436-8Sb00- 0Ay0 [Old Type No. 6Ep1436- 3Ba00] Of Make Siemens [ Warranty Period: 12 Mont Hs After The Date Of Delivery ] ]