In this video, I will show you how to properly connect MPCB (Motor Protection Circuit Breaker) to a 3phase motor. MPCB Motor Protection Circuit Breaker Wiring Connection, MPCB Connection,3 Phase Motor Protection.
Motor protection circuit breakers are a specialized type of electrical protection device that is designed specifically for electric motors as their name implies. Electric motors have plenty of applications and are used to drive mechanical devices of all types, so it is very important to protect them adequately with MPCB. The following are just a few examples of devices driven by electric motors in commercial and industrial buildings:
Application:
Rooftop air conditioners, chillers, compressors, heat pumps, and cooling towers.
Extraction and injection fans, as well as air handling units.
Water pumping systems.
Elevators and other hoisting devices.
Industrial conveyor belts and other machinery are used in manufacturing processes.
In all of these industrial and commercial applications of electric motors, the MPCB has the key role of providing electrical protection.
Advantages:
1. The high degree of protection such as Short circuit, Unbalanced, phase loss, and over current protection are available in one pack.
2. Easy adjustment.
3. Compact size.
4. Less maintenance.
5.No need for an external thermal overload relay.
Disadvantage:
1. High cost.
2. Cannot be repaired (use & through)
3. Cannot adjust the short circuit current tripping limit.
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