NORDAC FLEX (SK 200E ... SK 235E) – Users Manual for Frequency Inverters
254 BU 0200 en-3118
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8.3.3 EMC of device
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EMC Interference to the environment
This device produces high frequency interference, which may make additional suppression measures necessary
in domestic environments ( Section 8.3.2 "EMC evaluation").
The use of shielded motor cables is essential in order to maintain the specified radio interference suppression
level.
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The device is exclusively intended for commercial use. It is therefore not subject to the requirements
of the standard EN 61000-3-2 for radiation of harmonics.
The limit value classes are only achieved if
• the wiring is EMC-compliant
• the length of shielded motor cable does not exceed the permissible limits
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• the standard pulse frequency (P504) is being used
The shielding of the motor cable must be attached at both sides in the motor terminal box and the
inverter housing in the event of wall mounting.
Device type
Max. motor cable, shielded
Jumper position
(chapter 0)
Conducted emissions
150 kHz - 30 MHz
Class C2 Class C1
Device motor-mounted Jumper set + -
Device wall-mounted Jumper set 5 m -
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