Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / bala
contactor:
A contactor is an electrically controlled switch used for switching a power circuit, similar to a relay except with higher current ratings.
circuit breaker:
A circuit breaker is an automatically operated electrical switch designed to protect an
electrical circuit from damage caused by overload or short circuit. Its basic function
is to detect a fault condition and, by interrupting continuity, to immediately discontinue
electrical flow......
so finally,contactor used for switching.......and circuit breaker is used for to protect a circuit.so that one is interrupt device.....
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
along with technical test papers
who can measure the size of power cable?
what is mean by kneepoint voltage? when it will happen? ( my doubt is, if CT secondary is open means ct get saturation or blas? what are factors are required for calculations? plz give currect anws:
upto how much low RPM we will run the commercial motor which is run through VFD without any problem occurs in motor.Motor rating Duty is S1 & RPM is 1400.
In a carnot engine with an efficiency of 40%, the heat rejected to the sink at 27 C is 60 kJ, then the heat supplied in kJ to the engine by the sources is
What are :- AC Distribution Board (Single & Double Front) DC Distribution Boards Distribution Board LT Breaker Panel.
what is stper motor
How to Calculate Current Rating of SDFU (Switch Disconnector Fuse unit) for Protectionof Capacitor Bank connected to Busbar of 800Amp,in LV side of 11/0.433KV, 250KVA Transformer?
State magnitude criterion.
what is the advantage of connecting capacitors in delta than in star?
We have received supplies of the ordered material. payments against the supplies also released. Where ST paid 4% against form C. Meanwhile it has been observed that 25% of material supplied was defective. Please suggest whether the issuance of C form from our side would be stopped till settlement of liabilities.
How to calculate Ith (I thermal) for curent transformer
hi i will D.E.E.E.is completed pls send rrb diploma old qustion papaer sent in my e mail. i.d.
HOW DOES THE ELECTRONIC ENERGY METER WORKS?
Explain about c.t?
