Ravi Series

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Ravi Series

Motors
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Product Description

Operating & Supply Conditions


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 S1 (continuous)

Service factor

 1.0

Execution & Features


FEATURES VALUES/ STANDARDS
Starting DOL for all Or Star delta for frames 100 & above.
Permissible starts/hr 2 Hot / 3 Cold / 4 Equally spread
Loading at reduced volts 75% Rated volts for 5 minutes
Insulation / temp.rise Class ‘F’/70 deg C
Direction of rotation Bi-Directional
No. Of leads 3 up to 90 frame & 6 for including and above 100 frame
Connection Star up to 90 frame and , Delta including and above 100 frame
Degree of protection IP55, IP 66 on request.
Method of cooling IC 411
T.box position Top TB Standard and side TB – optional ( RHS from DE)
Bearing life
 40,000 hours for direct drive, 20,000 hours for belt 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 Ravi series 63-315
Mounting arrangement Multiple mounting holes in same body, S/M/L as per standard
Shaft extension Single cylindrical extension as per IS 1231
Body material CI from 63-315 frame
T.box material Nylon Up to 132 frame /sheet metal 160 frame and above
Fan material Polypropylene up to 225frame/ 250 and above fabricated steel
Accessories
 Nil, Thermistor, space heater, winding RTD, BTD on request in select frames.
Paint & shade Standard Motor
Main body: Shade RAL 1020
Fan cover: Shade 592 of IS 5 International orange
Bearing type and
Greasing facility		 Sealed Bearings grease lubricated for life up to 225 frame and open bearings with online greasing facility in 250 and above frames.
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