I.S. EN 50065-4-1:2001

Introduction
1 Scope
2 Normative references
3 Definitions
4 symbols and abbreviations
5 Requirements
  5.1 Marking
  5.2 Requirements of decoupling filter
6 Test method
  6.1 Decoupling filter impedance
  6.2 Transfer function
  6.3 Leakage current
  6.4 Voltage drop at 50 Hz
  6.5 Filter added Total Harmonic distortion (THD)
  6.6 Power dissipation
  6.7 Overcurrent
  6.8 Overvoltage/surges
  6.9 Mechanical shocks
  6.10 Acoustical noise
Annex A (informative) - Coupling and propagation
                        methods
Annex B (informative) - Characteristics of consumer
                        networks

Applies to decoupling filters installed on the low voltage mains network and operating in the frequency range 3 kHz to 148,5 kHz on low voltage mains network. Gives the impedance and the transfer function definitions, requirements and test methods of the decoupling filter and some other requirements for example, Voltage Drop, Leakage Current and Form Factor.