Testboy TV 470, Руководство по эксплуатации

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Appendix
74 Testboy
®
TV 470
Appendix
Limit according to DIN VDE 0701-0702:2008-06
PE conductor resistance <0.3 Ω to 5 m, above 5 m 0.1 Ω for
each additional 7.5 m cable
>0.3 M Ω Devices with heater elements
>1 M Ω Devices without heater elements
Insulation resistance PC I
>2 M Ω touchable conductive parts with-
out PE conductor connections
Insulation resistance class-II >2.0 M Ω
Insulation resistance PC III >0.25 M Ω
Equivalent leakage
current PC II
PC II <3.5 mA
0.25 mA The equivalent leakage
current can be halved
with devices that have a
2-pole switch and sym-
metrical capacitive
switching.
PE conductor current /
Differential current <3.5 mA >3.5 kW 1 mA/kW
Contact current <0.5 mA