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Crane Duty Motor(Slipring)


Crane Duty Motor(Slipring)

Description:
Overview:

Features: 
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 (Refer KHD-50-33R2) Service factor 1.0

Application:

Specification:
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 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, 6, & 8 pole ratings of 100 Frames 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, mild steel for 250 to 355 Frames Accessories Nil Paint & shade Epoxy base RAL5012 Bearing type Greasing facility Prelubricated sealed bearing from 80-160. Open type Bearing from 180. Online greasing facility is for 180 to 355 only