Ravi Series
Low Voltage Motors: Ravi Series
| 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 |
| 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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Ravi Series Motor
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