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 a contactor.

Answer Posted / guest

relay is a device when ever fault in the system, which
protect (or) trip the ckt from the faulty section.
relay is automatically operate when ever fault occurs.

contactor it is acts as a switch (or) isolator.
contactor is operated by manually.

Is This Answer Correct ?    1 Yes 12 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how oil in the MOCB was reduced compared with OCB? what are the features of the MOCB?

2771


What is zero of the system?

1093


Why are short circuit ratings always 16kA,25kA,36kA and 50kA.Who has fixed these?

4272


Earth is a conductor or load?then ammeter connect to 3- phase supply,it shows the measurents or not?

2067


Name two types of electrical analogous for mechanical system.

1206


detailed procedure how we calculate cost for pcc m10 and rcc m20 including centering and labour excluding steel/ iron

3125


Dear all i am kumaravel. now in chennai. my work is control and relay panel auto cad designing.up to 11kv to 400kv then question is i am improving my knowledge. i want some books name and auther are available for this C&R panel related. plese any one help me

1766


State uses of different types of stsrters with different capacities of motors as below: a. up to 5HP b. above 5hp to 10hp c. above 10hp to 20hp d. above 20hp

2073


i am completed diploma in ece,and working in ht and lt lines.so is elligible diploma in ece for get electrical C Licence?plse give ur opinion?

1896


WHAT IS MEANT BY SHEATH VOLTAGE IN 132Kv cable?

2271


how many electricity poles are there and what are the names and their sizes.

1909


mention hazard experienced during installation

1971


What is the test block protection relay if any body know plz explained

1471


What is time invariant system?

1154


why zero sequence impedance measurement is not applicable for single phase GT

2190