Autometers alliance ltd, an iso 9001 certified company is engaged in designing, manufacturing, supplying, installing & servicing various measuring, switchgear and power conversion equipments for railways and uninterruptible power supply [ups] for industrial applications. Autometers alliance ltd offers protection relays suitable for electric traction vehicles. Designed to withstand extremes of mechanical and thermal stresses, the product has the following salient features:
1. plug-in design for simple mounting and easy checking.
2. minimum maintenance.
3. quick response time.
4. compact and lightweight design.
5. rugged construction with proven performance under varying condition.
6. adjustable tripping current/voltage value as per requirement.
7. high insulation level.
8. high repeatability at the set value.
9. high mechanical and electrical endurance.
The relays are designed for protecting:
1. main transformer and silicon rectifier against overloading.
2. excitation windings of traction motors and rheostatic braking resistance against over current.
3. auxiliary equipments against overloading.
4. transformer against overloading in 3-phase locomotives.
5. main power circuit and auxiliary circuit against earth fault.
6. locomotive`s electrical equipment against drop of ohe voltage below minimum value.
