Difference in load break switch, isolator and circuit breaker.



Difference in load break switch, isolator and circuit breaker...

Answer / jithendra

Load break switch (LBS) will operate on load only over current protection (FUSE) needs to replace the fuses

Isolater will operate for ON/OFF NO ANY TYPE OF protection

Circuit Breaker types 1.MCB 2.MCCB 3.ACB
1. trips for only over load.
2. trips for over load,short circuit.
3. trips for over load,short circuit,ground fault

Is This Answer Correct ?    2 Yes 0 No

Post New Answer

More Electrical Engineering Interview Questions

WHAT IS THE DIFFERENCE BETWEEN VOLTage and potential diff

5 Answers  


1.why are not using acb 33kv ht side? is there any problem 2.what is difference between acb,vcb,sf6 breackers? 3.what is the function of invertor and convertor in ups?

0 Answers   L&T,


What is an isolation transformer?Why do we need isolate circuits?Where do we use them?

2 Answers  


It is used or not HT cable single core 630 sqmm in LT 3 phase capacitor bank which is used in PCC(power control center).

1 Answers  


What will be happend if we not ground CT secondary?

3 Answers   Enercon, Engro, THDC,






Is it true that in the 3 phase transformer, the limbs of the core are at 45 dgrees to each other. if true, why?

0 Answers  


how the reverse power relay acts..

2 Answers  


What is the meaning of maximum demand

21 Answers   MN Dastur,


Which type of air compressor is used now a days in the market. Keeping in mind of energy efficiency and maintenance points. Relevant documents may also be sent on mentioned email ids.

0 Answers   DAE,


how to calculate overall efficiency of diesel generator set? give us a formula with an example.

2 Answers  


Why the resistance grounding (NGR) is better than Solid grounding?

5 Answers  


what is the purpose of slope in the differential relay?why we are using two slope?but in busbar differential we are using only one slope.why?

0 Answers  


Categories
  • Civil Engineering Interview Questions Civil Engineering (5085)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16632)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)