Buchholz Relay For Emu/Memu Transformer As Per Drg. No. Dy. Cee/ Ws/Kgp/Emu/03-12 And Technical Specification No. Dy. Cee/Ws/802, Dated 19.01.2012 Suitable For Conventional Memu Motor Coach Transformer. [ War Ranty Period: 30 Months After The Date Of Delivery ] ]