Tenders for Supply of Roof Mounted Heat Exchanger As Per Drgno.Rwf/El/Sk/Wsc/A3-2012-028 Air Volumeinternal Ckt&Outer Ckt:965 Cubic Meter/H;Cooling Surface:4.4 Sqmeter;Two Fans/Unit, Temperature Range:20Degree To 55Degree Centigrade Enclosure:Ip54 Model No:Sk324800 Of Rittal Make Or Equivalent For Thyristor Panel Of 35T Crane.Note:1.Make Shall Be Indicated.2.Warranty Shall Be 18 Months From The Date Of Supply Or 12 Months From The Date Of Installation.3.Only Authorised Dealers/Manufacturers Need To Quote.