Low Voltage Motors: Spectrum Series
Application
Overview
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 |
Features
| FEATURES | VALUES/ STANDARDS |
|---|---|
| Starting | Star Delta/DOL (with shorting links but with 2 entries) |
| 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 deg. C |
| Direction of rotation | Bi-directional |
| No. Of leads | 6 |
| Connection. | Delta |
| Degree of protection | IP 55 |
| Method of cooling | IC 411 |
| T.box position | RHS looking from driving end |
| 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, Foot cum ‘B’ flange |
| Frame sizes | SC 180 to 355 (For ‘B’ flange mounting, ratings covered in SC180M to be offered in VSC180L, & ratings covered in SC225S to be offered in VSC225M) |
| Shaft extension | Single cylindrical extension as per IS: 1231 |
| Body material | Cast iron |
| T.box material | Cast iron up to 225 frame, mild steel for 250 to 355 frame |
| Fan material | Polypropelene for 4, 6, & 8 pole & cast iron for 2 pole up to 225 frames. Mild steel for 250 to 355 frames for all polarities |
| Accessories |
Nil |
| Paint & shade | NC base RAL5012 shade up to 225, Epoxy base RAL5012 above 225 frame |
| Bearing type and Greasing facility |
Open type bearings for SC180 to 355 Online greasing facility for SC180 to 355 |
Specifications
Specifications
