bids are invited for 50110101150660 mtr,sc,280m4,b3,1500rpm,75kw,ie3 electric motor 2.000 ea type : squirrel cage voltage : 415v+/-6% frequency : 50hz+/-3% phase : 3ph frame size : 280m duty cycle : s1 mounting : b3 insulation class : cl:f enclosure : ip55 ambient temperature : 40degc direction, rotation : bi-directional method of cooling : tefc shaft : sse (p) speed : 1500rpm power, rated : 75kw efficiency : ie3 class as per is 16215:2011 with two endshields and bare shaft with key type:ma28m433 conforming to is:325,1996 cdf na gas groups,is:2148 for flame proof motors temperature class-is:6381 t1,t2 & t3 for increased safety motors na note:permissible temperature rise of stator winding shall not be greater than 80 degc over an ambient of temperature of 40degc terminal box position:side method of starting:dol test:as specified in clause 21 of is:325-1978 standard no : ipss:1-03-001-95 total quantity : 2