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EMS Compact GeneratorsCoupling decoupling networks for unshielded communication lines
Surge pulses and Telecom Surge pulses are applied to unshielded symmetrical interconnection lines (communication lines) by coupling/decoupling networks. CNV 504T5 is designed for 4 lines (2 pairs), CNV 508T5 is designed for 8 lines (4pairs) and can also be used for either 4 or 2 lines.
Complied withEN/IEC 61000-4-5 Ed.3(Fig. 10) and EN/IEC 61000-4-12, the pulses are coupled bycapacitor and resistor.
Highlights
As per IEC 61000-4-5 Ed.3, Fig 10/A4, ITU K.44
For test pulse 1.2/50 - 8/20µs and 10/700µs
Built-in matching resistors
20mH decoupling, current compensated pairs
Test voltage up to 5kV
Line voltage 50V
Line current 1A
Benefits
The EM TEST CNV 504 / 508 T-series coupling/ decoupling networks are designed to couple Surge pulses (1.2/50us - 8/20us) and Telecom Surge pulses (10/700us) onto unshielded symmetrically operated communication lines.All lines are subjected to the test pulse simultaneously with respect to ground.
The CNV 504/508 T-series consistof decoupling inductors of 20mH for each line, pairwise current compensated. To further protect, an additional protection circuit is integrated at the communication line input.
EN 61000-4-5
IEC 61000-4-5
ITU-T K.44
IEC 61000-4-5
ITU-T K.44