Answer / sajin

It consist of an isolator and a fuse. When a fault comes the fuse will break. The switch can be used for replacing it. For any maintanance in the electrical installations we can use the switch for isolating the supply

Answer / ptha

Switch disconnectoe Fuse unit

Answer / lal kesh yadfav

SFU switch fuse unit . in sfu there are many protective
devices known as switch,fuse,contactor,relay<bmr> local
remot switch ,in sfu we set current rating for protection
of load

Answer / suresh

sfu-switch fuse unit.two part in sfu,one is base unit and
anthere one is thee fuses. this switchgear most useful for
lighting,welding purpose.you have not used in motor
application any one of the fuse bollown motor has runing in
two phase.

Answer / suresh

how much amp rating?

Answer / hemal

what is the price of sfu ?

in trains i have seen the terminal which is connected at the top of the train is positive .where is negative ? track? i dont think so

9 Answers  

why in three phase 440 circuit in all phase current is almost equal L1-35 A,L2-34 A ,L3-31 A but in nutral when i check with clamp meter it shows 25 A?

4 Answers   OPS,

How to calculate the value of capacitance of a capacitor used in power factor improvement plant if we know KVAR and voltages?

1 Answers  

How to Convert horsepower to kva? what is the three phase formula? email me if u know thanks Rehan smileavail@msn.com

3 Answers  

What are the reasons for the parallel operation of transformers?

0 Answers  

Differentiate between induced emf and self inductance?

0 Answers  

why the three phase transformer's star point does not sparks or seperated? while we often see that two phases touches each other it sparks and ocationaly conductor breakes out.

4 Answers  

One 200 V, 100 W bulb is connected in series with primary of a 200 V, 10 kVA transformer. If its secondary is kept open circuited, then the bulb would have (1) Full brightness (2) Poor brightness (3) A little less than full brightness (4) More than full brightness...explain

2 Answers  

The normal highest generated voltage in India is a) 6.6KV b) 132KV c) 11KV

13 Answers  

What is the diffrence between ofline ups and online ups?

3 Answers   Intel,

Do you know the alignment of a motor?

8 Answers   Reliance,

what is the effect of change in supply frequency on load angle of synchronous motor,all other parameters remaining same?

0 Answers