supply of supply, installation and commissionin , supply, installation and commissioning of deep freezer suitable for cooling of roller bearings for poh of msu 1600 hhp wheel set and the technical specification details are as follows: 1) capacity : 262 liters plus or minus 20%; 2) cooling temperature : -10 to -40 degree centigrade; 3) refrigerant : r290 (or) r 507; 4) display: digital; 5) internal size : 500w x 460d x 1235h mm (approx.); 6) rated voltage : 250 v; 7) rated power consumption : 2.5 to 3 kwh/24 hr; 8) controller : microprocessor controller for precision temp erature setting as per model: dw-fl270g of m/s. blue star or in makes godrej, whirlpool, voltas, samsun g, lg, lloyd, bosch, kelvinator, panasonic, haier or its similar. [ warranty period: 30 months after the dat e of delivery ] ]