| Linear type regulators wound with minimum 24 mm copper strips |
Toroidal dimmers wound with maximum 100 mm copper wire |
| Power consumption only 0.5% – 1.5% depending on capacity and voltage variation |
Power consumption 5% – 8% depending on capacity |
| Service life at full load is 20–30 years |
Service life at full load is 4–6 years |
| Suitable for 100% continuous duty cycle |
Suitable for 60%–80% duty cycle |
| Graphite carbon roller assemblies used with minimal wear and tear |
Light-duty carbon brushes require periodic replacement |
| No damage to bare copper track |
Continuous contact causes wear & tear on winding |
| Roller assemblies generally last 8–10 years without replacement |
Brushes require frequent maintenance and replacement |
| Overall efficiency more than 99% |
Overall efficiency around 92%–95% |
| 5 years warranty in India |
Standard warranty of 1 year |