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|Standards Met||IEC / EN 61000-4-4|
|Application/Test Type||Electrical Fast Transients on Data Lines (EFT Burst)|
|EFT Coupling Clamps
as per IEC 61000-4-4
|Cable Diameter||4 - 40 mm ( .16 - 1.57 in)|
|Coupling Length||1 m (39.4 in)|
The Hefely IP4B capacitive coupling clamp is primarily used to inject fast transient and burst interference pulses into signal and data cables, i.e. into any type of connection to peripheral equipment. The IEC standard 61000-4-4 Ed. 3 also allows the capacitive coupling method to be used for pulse injection into ac and dc power lines when no appropriate decoupling network is available. The coupling capacitance (typically 100pF) between the coupling clamp and the cable inserted depends on the cable type, the diameter and other factors like screening, etc.