What is the difference between MPCB and OLR?

Answer Posted / satish m

As mentioned in above answers the abbrivation is correct.
The main difference is MPCB is the combination of contactor
and OLR, it having in built OLR.

OLR- it is an element it is connected to the output of the
contactor to protect the motor.

Is This Answer Correct ?    48 Yes 5 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the control action?

630


What are the commonly used schemes for the bus zone protection?

541


what is Fault level? why it is calculated? how will u decide same for our plant?

1557


what is the meaning of neutral displacement ???

2248


what do u understand about FACTS? how they are useful?

1524






what will happen if OLR CT in all phases are short circuted

1673


WHY THE DIMENSION OF TWO SAME RATED MACHINE IS DIFFERENT ?

1500


Some times to change of DOR of a motor, interchange of R & B is not effected and RYB take same current, but interchange of R&Y is effected ie change the DOR. My doubt is what is the problem in motor and how it is happen.

1536


300m long and 30kw inductive loade 3phase supply how many size cable required

996


What is a difference between indoor transformer and outdoor transformer of same rating

5197


how to generator maintenance (A Check, B check,Etc)

1764


how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec.

1729


What is difference between Sample test and Routine test in safety standard?

1284


one split ac how can told of this ac which Tr tell me us

1532


what is the circulate the diesel in DG in side pls tell parts name and picture with circulate the diesel

1528