Type 1 + 2
Type 1 + 2 protectors against transient overvoltages should be tested with 10/350 µs lightning impulse wave and 8/20 µs wave, combining the capacity to absorb lightning current with low residual voltage.
Type 1 + 2 Datasheet
For additional technical details about the Type 1 + 2 please refer to the product datasheet. Please note that you would need PDF reader to open the file.