WHAT IS B & C CLASS SURGE PROTECTION AND WHAT IS DIFFERENCE
BETWEEN B & c CLASS SP
- 2 Answers
- 18149 Views
- Bharti, I also Faced
- E-Mail Answers
Answer Posted / dhiraj banka
Class b SPD is for lightning surges & class c SPD is for switching surges.Class B+C protects both from lightning & switching surges.
| Is This Answer Correct ? | 8 Yes | 3 No |
Post New Answer View All Answers
HOW CAN YOU CALCULATE PRACTICAL EFFICIENCY OF A ASYNCHRONOUS INDUCTIONMOTOR OF 7.5KW,& MOTOR IS RUNNING WITH AVOLTAGE OF 410 VOLTS,& TAKING CURENT OF 13 AMPS
What is the disadvantage in proportional controller?
There is any especial requirement for motor to drive through with VFD?
Help need in transformer !? Hello Friends The parameters of 2300/230 v 50hz t/f is R1=0.286 ohm R`2=0.319 ohm Rc=240 ohm X1=0.73 ohm X`2=0.73 ohm Xm=49.2 ohm Secondary Load impedance ZL=0.387+J0.29 solve the exact equivalent circuit with normal voltage across primery.. I know every thing but i cant find CURRENT I1=? and I`2=? Please help me give solution or only Formula please please...
i want to model paper for section engg.
If Dg set load increase 25%, How much increase fuel Consumption (15 kva 2 cylinder DG set)
hi, could someone help me to find a control design for syncronising panel .
Earth has zero potential then what would be the neutral potential ?
What is the main purpose of c.f.b.c.boiler
Why the arms of delta in a delta-wye power transmission system are kept constant??
How to confirm the Phase shifting Transformer VECTOR GROUP relation , as below ZNy11.45d10.45-ZNYy0.15d11.15
how to calculate the earth fault current
Define phase cross over?
In a single how much maximum current and watts using
What is the suitable transmission voltage?
