how to select the power contactor in Diffrent AC motors.

Answer Posted / amit kansara

first of all determine what is the duty type - ac-2/ac-3 /ac-4
accordingly select the right contactor for manufacturers
catalogue.

Is This Answer Correct ?    7 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

why voltage form factor of PT are increase , when it is ecpected heigher spikes in system. how it is calculated.

1647


What is a Phase shift meter? Where can I get one?

1650


Which Class insulation is prefered for the sandwich Busducts ? Why?

1555


What are the material used for inductance coil?

693


WHY RATING OF VCB NOT LESS THAN 630A

2029






What is mason's gain formula?

775


What is the de rating factor of cable? What is the importance of the de rating factor in cable selection?

1620


what is formula to cal cute earth pit numbers and size of earth strip used in earthing?

1794


Define ampere

709


I want to know Electrical Circuit?

1707


How we calculate the size of ht cable for any transformer

1555


how 650 volts creates? where is use?

1742


What do you mean by screen of power cables?

1285


Can we use Ccapacitive voltage transformer directly for metering purpose?

1122


We are designer please help me calculate the size of 11kv cables from step up transformer to M.V panel, total load is 5 mega watt distance 900 feet (used aluminum type cables) please provided formula for calculate the cable with example.

1206