2-24
2-2 Wiring
2
Design
Filter installation
The connecting cable between filter and frequency inverter must be as short as possible and laid
separate from other cables/lines. As user you must ensure that the HF impedance between
frequency inverter, filter and ground is a small as possible:
Make sure that the connections are metallic and have the largest possible areas. Remove paint and
insulating material between the individual mounting points. Use conductive contact grease as
anticorrosive. Anodized and yellow-chromated surfaces, e.g. cable/standard-section rail, screws,
etc., have a large HF-impedance, although sometimes could be confused with uncoated surfaces.
Single grounding point: Ensure that the ground terminal (PE) of the filter is grounded to the same
point or backplate like the ground terminal (PE) of the frequency inverter. An HF ground connection
via metal contact between the housings of the filter and the frequency inverter, or solely via cable
shield, is not permitted as protective conductor connection. The filter must be solidly and perma-
nently connected with the ground potential so as to avoid the danger of electric shock upon touching
the filter if a fault occurs. The metallic backplate of the control cabinet accounts as a single connec-
tion point (given the advice about coatings influence.)
Voltage Inverter model Listed filter Voltage Inverter model Listed filter
3 x 200V 3G3RX-A2004 AX-FIR2018-RE 3 x 400V 3G3RX-A4004 AX-FIR3010-RE
3G3RX-A2007 3G3RX-A4007
3G3RX-A2015 3G3RX-A4015
3G3RX-A2022 3G3RX-A4022
3G3RX-A2037 3G3RX-A4040
3G3RX-A2055 AX-FIR2053-RE 3G3RX-A4055 AX-FIR3030-RE
3G3RX-A2075 3G3RX-A4075
3G3RX-A2110 3G3RX-A4110
3G3RX-A2150 AX-FIR2110-RE 3G3RX-A4150 AX-FIR3053-RE
3G3RX-A21853G3RX-A4185
3G3RX-A2220 3G3RX-A4220
3G3RX-A2300 AX-FIR2145-RE 3G3RX-A4300 AX-FIR3064-RE
3G3RX-A2370 AX-FIR3250-RE 3G3RX-A4370 AX-FIR3100-RE
3G3RX-A2450 3G3RX-A4450 AX-FIR3130-RE
3G3RX-A2550 AX-FIR3320-RE 3G3RX-A4550
3G3RX-B4750 AX-FIR3250-RE
3G3RX-B4900
3G3RX-B411K AX-FIR3320-RE
3G3RX-B413K
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