Tenders for Supply of Magnetic Amplifier Part No Sig 25001 Of Sigma Make 25 Kw Rru Rdso Spec No : Rdso/Pe/ Spec/Ac/0056-2014- Rev.1And Latest- Note: 1The Firm Should Mention Make And Model No. While Participati Ng In The Tender. Warranty Period: 30 Months After The Date Of Delivery