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 ?

why use in & out Diesel line in dg set.

1 Answers   NHPC,

how we calculate the 30 KW 3phase electric motor current on noload

23 Answers   Monnet, Siemens, SSR, Supermac Industries,

What do you mean by a current transformer?

0 Answers  

cany anyone suggest electrical wesites for providing study materials?

0 Answers  

1.25 kg of hydrogen are burnt with stiochiometric air, the mass of air in kg required is

0 Answers   Caterpillar,

What are armoured cables?

2 Answers   IOCL,

What is the need of motor starter?

6 Answers  

What is the physical significant of power factor?

0 Answers   Cooper,

Can anyone please provide me details of MCCB/Contactor/SFU rating calculations for a motor feeder..for example 50 kw.. not from type-2 cordination chart. i want manual calculations..

0 Answers  

What is the application of Nitrogen Injection system in Transformer Protection?

1 Answers   HPL,

What are the common sources of energy?

0 Answers  

I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

0 Answers