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Crane Duty Cage Motors'


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 S3, S4 & S5 Service factor 1.0


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