Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...

What is the difference between Relay and Contactor

Answer Posted / shaheed

Relay is an Electromagnetic Switch.It can either make a
circuit or break the circuit with a preset value given by
the manufacturer or according to the functional operation.

But where as Contactor is a device which normally preferred
in Motor Protection circuit.It can either make or Break the
circuit with the rated Power.but not in line with the
Abnormality or any set value

Is This Answer Correct ?    11 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the diffrence (Technical & Construction ) between CBCT & Normal CT?

2019


I am designing new project sub station with 220 kV / 11 kV, 40 MVA capacity. This project have many recifier sets, which can generate 3rd harmonics. Now I have to select vector group of This transformer. To minimise 3rd harmonics, what care should I take in selection of Transformer Vecrtor group? If it is Y-Y with open Delta tertiary then what should be the rating & voltage of Tertiary Winding?

1865


What was the Dg set radiator and lube oil temperatures trip in ACB

1816


substation+ plc system

2062


how can maintain the power factor and why and this is how do work tell us

2085


Operation carried out in thermal power stations?

1131


which type of motor is used in automatic swing gate

1999


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.

1647


What is the accepted limit to increase the choosen transformer capacity over the load and why ?

3561


which connection is safer series or parallel?usually which connection we prefer at home?

9976


Q: How to calculate Transformer losses , tell us by Formula.

2068


why generator efficiency is more in swinburnes test?

2206


For a spring controlled governer the relation F = ar+b (F is the controlling force, r is the radius of rotation a and b are constants), indicates that the governer is

1215


which model T or pie model is prefarable in power syatem

1875


If i have two 3000 kW motors and the whole facility requires a 10 MVA transformer. What would be better installing two 5 MVA transformers(one for 1 motor ) or just a single 10 MVA transformer for both of them. Give reasons for your answer.

6110