Low Voltage Motors: Crane Duty Cage Motors

FEATURES	VALUES/ STANDARDS
Ambient Temperature	-10 to +50°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	S3, S4 & S5
Service factor	1.0

FEATURES	VALUES/ STANDARDS
Starting	DOL
Loading at reduced volts	75% Rated volts for 5 minutes.
Insulation	Class `F’
Temp rise	‘F’
Direction of rotation	Bi-directional
No. Of leads	3 up to 100 Frame, 6 for 112 and above Frames
Degree of protection	IP 55
Method of cooling	IC 411
T.box position	Side (RHS looking from DE, towards DE)
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
Frame sizes	80 to 225
Shaft extension	Single cylindrical extension as per IS 1231
Body material	Aluminium up to 112, cast iron above 112 Frames
T.box material	Cast iron
Fan material	Polypropelene up to 112, cast iron for 132,160, aluminium for 180 to 200
Accessories	Nil
Paint & shade	NC base RAL 5012 shade
Bearing type Greasing facility	Open type bearings for 80 to 200. No online greasing facility for up to 160 Frame. Online greasing facility for 180 to 225