Spectrum Closed Type Cage
AC Motors
| FEATURES | VALUES/ STANDARDS |
|---|---|
| Ambient Temperature | -10 to +50°C |
| Altitude | Not exceeding 1000 m above mean sea level |
| Atmosphere | Non corrosive & non hazardous |
| Relative Humidity | Up to 100% |
| Voltage | 6.6kV, 3.3kV, 11kV +/- 10% |
| Frequency | 50Hz +/- 5% |
| Combined Variation | +/-10% |
| Duty | S1 (continuous) |
| Service factor | 1.0 |
| FEATURES | VALUES/ STANDARDS |
|---|---|
| Protection | IP 55 |
| Type of cooling | IC 411 / |
| Class of Insulation | F |
| Temperature Rise | Class B for stator, Class F for rotor |
| Terminal Box position | LHS from NDE |
| Bearing | Roller Bearings at NDE, Ball bearings at DE |
| Lubrication | Grease |
| Mounting | IM 1001, IM 3011, IM 2001, IM 3001 |
| Accessories | ACH, 6*simplex RTD, 2* Duplex RTD type BTD |
| Frame sizes | 355 frame to 710 frame |
| Shaft Extension | Single cylindrical extension as per IS:1231 |
| Connection | Star |
CEMENT, CHEMICAL, FERT & CHEM, MINING, PAPER, POWER, STEEL and SUGAR