Ambient Temperature -10 to +50 degree C
Altitude Not exceeding 1000mtrs above mean sea level.
Atmosphere Non corrosive & non hazardous
Relative Humidity Up to 100%
Voltage 415V?10% , 3 ph.
Frequency 50Hz ?5%
Combined Variation 10%
Duty S1 (continuous)
Starting DOL for all (single entry upto 132,double entry for 160 with links) Or Star delta for frames 112 & above.
Permissible starts/hr Cold successive - 4 , Hot successive - 3 , Equally spread - 6
Loading at reduced volts 75% Rated volts for 5mins
Insulation / temp.rise Class `F' / 70 degree C
Direction of rotation Bi-directional
No. Of leads 3 up to 100 & 6 for frame 112 & above.
Connection Star: up to 90 frame and 6 & 8 pole ratings of 100 frame
Delta: 2 & 4 pole ratings of 100 frame & 112 and above all ratings
Degree of protection IP 55
Method of cooling IC 411
T.box position RHS looking from driving end towards DE
40,000 working hours. For direct drive
Vibration Normal class as per IS 12075.
Noise As per IS 12065.
Construction Foot, 'B' flange, 'C' Flange , Foot cum 'B' flange, Foot cum 'C' Flange
Frame sizes PRIMO 63 to 160
Shaft extension Single cylindrical extension as per IS 1231
Body material Aluminium (Diecast) up to 112, cast iron for 132 to 160
T.box material Nylon 6 up to 132, Aluminium (die cast) for 160
Fan material Polypropelene
Paint & shade NC base RAL 5012 shade
Bearing type and
Greasing facility Pre lubricated sealed bearings
No online greasing facility