Thermal overload relay is a one of the protective device, which protects the load [motor] from overload. There are many sizes are available. Also so many setting ranges are available. This setting time is depends on the rated current of the motor.
It has 3 no of power controlling poles and also has two auxiliary contact points such as normally open and normally closed.
- Overload protection.
- Unbalance current tripping protection
No comments:
Post a Comment