What is MPCB ? Motor Protection Circuit Breaker ADVANTAGES OF MPCB -mpcb.

Motor Protection Circuit Breaker or MPCB
Motor protection circuit breakers are a specialized type of electrical protection device that is designed specifically for electric motors, like 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 MPCBs. The following are just a few examples of devices driven by electric motors in commercial and industrial buildings:
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 used in manufacturing processes.
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[@heroestec534]

Frequent start stop protection/ for crane kon sa mcb lagaye??

[@onlinetechnicalstudyforeng5503]

You can use C type MCB But In heavy Crane D type MCB, you can also use MPCB.
MCB details video : ua-cam.com/video/B8ZoOgFkb8Y/v-deo.html
Crane requires high starting which can be provided using DC Series motor.
Now a days induction motor can also be used in this application, Electric cranes require huge torques for short time. In that case we prefer a slip ring induction motor.

[@entertainmentbangladesh5011]

Can i use it for single phase motor?

[@onlinetechnicalstudyforeng5503]

No