South Eastern Railways

South Eastern Railways has published Supply Of 250Kva Outdoor Transformer:- 250 Kva, 6Kv / 415V, 3-Phase, 50Hz, Outdoor Type Distribution Transformer., Supply Of Outdoor Plinth Mounted Distribution Transformer Of Rating 250 Kva, 6Kv / 415V, 3-Phase, 50Hz, Oil Immersed, Non-Sealed Type ( Transformer Tank Body And Cover Are Bolted ) , Primary Winding In Delta And Secondary Winding In Star ( Vector Symbol- Dyn11 ) , Onan Cooled Transformer, Energy Efficiency Level ( Latest ) -2 & Above, Conforming To Is 1180 ( Part 1 ) :2014 With Amendment Nos. 1, 2, 3, 4 Or Latest, And Supplied With All Standard Fittings Mentioned In Clause 20.1 Of Is 1180 ( Part 1 ) Latest With Condition That Drain-Cum-Sampling Valve Will Be Applicable. Oil Temperature Indicator & Winding Temperature Indicators Will Be Provided As Per Clause 20.2 F ) Of Is 1180 ( Part 1 ) . Terminal Arrangement: The Transformers Shall Be Fitted On High Voltage And Low Voltage Sides With Outdoor Type Bushings Of Appropriate Voltage And Current Ratings. The High Voltage Bushings ( 3 Nos. ) Shall Conform To Is / Iec 60137. The Low Voltage Bushings ( 4 Nos. ) Shall Conform To Is 7421. Suitable Cable-End Box Along With Cable Entry Hole Glands Is To Be Provided At Lt Side . The Type Of Tap Changer: Details As Per Is: Off-Circuit Tap Changer For Variation Of Hv Voltage From + 5% To -10% In Steps Of 2.5%. [ Warranty Period: 30 Months After The Date Of Delivery ] . Last date of submission for this tender is 2024-01-04. This is a Bolts tender in Kolkata, West Bengal