Difference between Switching Surge and Impulse Voltage:

The difference between Switching Surge and Impulse Voltage is given in table below

Sl no Switching Surge Impulsive Voltage
1 It cause steep build-up of voltage on transmission lines. It has slow rise to the peak value and fall value.
2 It has the order of 0.5/10 μs. It has standard value of 1.2/50 μs.