| FEATURES | OVCD | Servos | Stabilizer | CVT | Spike Buster |
|---|---|---|---|---|---|
| Protection up to 440V | Yes | No | No | No | No |
| Under voltage / Over voltage protection | Yes | No | No | No | No |
| Protection From Spikes | Yes | No | No | No | No |
| Protection From Overload | Yes | No | No | No | No |
| Line Indication | Yes | No | No | No | No |
| EMI /RFI Filters | Yes | No | No | No | No |
| Waveform Distortion | Yes | No | No | No | No |
| IC Technology | Yes | No | No | No | No |