Analysis Of Key Electrical Parameters Of Surge Protectors
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Impulse Current Iimp:
Specified as including the amplitude current Ipeak and charge Q.
Nominal Discharge Current In:
The peak current flowing through the surge protective device, 8/20μs current wave. This is used for Class II classification tests for surge protector and as a precondition for Class I and Class II classification tests for surge protection device. For Class I classification tests, In should not be less than 15kA, and for Class II classification tests, In should not be less than 5kA.
Voltage Protection Level Up:
This refers to the residual voltage at the nominal discharge current In, or the maximum clamping voltage of the surge protector.
