what is the operating principle of contactor(power).along
with disection?

Answer Posted / arshad m, calicut,kerela

Contactor is used for controlling the Device.It contain one
energising coil and auxiliary contacts ie NO or NC.Whenever
the coil gets energise its auxiliarry contacts position
changes ie NO become NC and NC become NO.

Is This Answer Correct ?    41 Yes 9 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is the difference between "Rotary bypass isolation switch and Normal bypass switch" pls share indepth techs?

1621


Q) Write VBscript code along with QTPscript code in QTP tool for below scenario 1. Launch yahoo site(i know) 2. Do loogin(i know) 3.Click inbox link(i know) 4.Go to every page of mail box and count no.of read mails and no.of unread mails(i know) 5.Store page numbers, read mail count and unread mail count in a new excel file sheet 6.Create 10 types of graphs on that data 7.Do logout and close site(i know) 8.Save new excel files with graph

2043


what is excitation/

1731


What is the main purpose of c.f.b.c.boiler

1261


what is 30-phase of transformer

1756






What is earth system using on the floater TN-S or TT. Iam not sure and what ICCP

1254




1664


What is big transformer parts and their function ? Ty

1686


If the rated speed of a d.c. Shunt motor is1440 r.p.m, which method of speed control would you suggested to obtain a speed of 1500 r.p.m?

699


List examples of current sources?

620


What type of fittings and electrical accessories can be install in radiation area ?

1357


Why lose 1 phase voltage in 33kv to 415v stepdown transformer

1322


why generator efficiency is more in swinburnes test?

1754


how do prepare ongc exam.how is it question model.i am electrical. which part covering in electrical.tell me

1827


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

1536