Kirloskar

AC Motor

Ambient Temperature	-10 to +50°C
Altitude	Not exceeding 1000 m above mean sea level
Atmosphere	Non Corrosive & non Hazardous
Relative Humidity	Up to 100%
Voltage	415V+/- 10%, 3ph
Frequency	50Hz +/- 5%
Combined Variation	10%
Duty	S3,S4 & S5 (Refer KHD-50-33R2)
Service factor	1.0

Starting	DOL up to 100 & Star Delta for 112 above frames
Permissible starts/hr.	Cold successive - 4 , Hot successive; - 3 , Equally spread - 6
Loading at reduced volts	75% Rated volts for 5 minutes
Insulation / temp.rise	Class `F' / '70°C'
Direction of rotation	Bi-directional
No. Of leads ST/RT	3 up to 100 & 6 for frame 112 & above.
Connection	Star : Up to 90 frame, 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 DE.(towards DE up to 160)
Bearing life(90% survival basis)	40,000 working hrs. For direct drive 20,000 working hrs. For belt drive
Vibration	Normal class as per IS 12075
Noise	As per IS: 12065.
Construction	Foot / 'B'flange
Frame Sizes	'ePM80 to 160', 'eSC180 to 355'.(For 'B' flange mounting ratings covered in 'eSC180M' to be offered in 'eVSC180L' & ratings covered in 'eSC225S' to be offered in 'eVSC225M')
Shaft extension.	Single cylindrical extension as per IS: 1231.
Body material	Cast iron
T.box material	Cast iron
Fan material	Aluminium up to 160, Cast iron for 180 – 225 Frames, mild steel for 250 & above Frames
Accessories	Nil
Paint & shade	Epoxy base RAL5012
Bearing type and Greasing facility	Pre lubricated sealed Bearing up to 160. Open type Bearing from 180. Online greasing facility is for 180 to 355 only

Crane Duty Motor