2 Design
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High-function General-purpose Inverter RX2 Series User’s Manual
c) In case of external filter for C2, an additional note is required according to EN61800-3 that “this
product may emit high frequency interference in residential areas which may require additional
EMC measures”.
d) According to the EN6100-3-12, an additional AC reactor or DC choke should be installed for
reducing harmonics in power line.
3. Wiring requirements
a) A shielded wire (screened cable) must be used for motor wiring, and the length of the cable must
be according to the following table.
b) The carrier frequency must be set according to the following table to meet an EMC requirement.
c) The main circuit wiring must be separated from the control circuit wiring.
4. Environmental requirements (to be met when a filter is used)
a) 3G3RX2 series inverter that is activated built-in EMC filter must be according to 3G3RX2 series
specifications.
Table 1
• For the power supply lines of the inverter, use a shield braided cable with a minimum cable length,
and connect via an EMC compliant input noise filter.
• Ground the cable shield.
• Keep the ground cable as short as possible. For 400-V class inverters, the ground terminal must be
connected to the neutral point of a power supply. Also ground the metal control panel as well as the
door simultaneously.
• Use shield braided cables also for connection between the inverter and the motor. Keep the cable as
short as possible at a length 20 m or less, with the cable shield grounded. Installing a clamp filter
near the inverter output terminals is an effective countermeasure.
• Connect the cable shield directly to an earth (ground) plate with a conductive cable clamp.
• With the motor frame grounded directly, connect the ground cable from the motor directly to an EMC
compliant input noise filter.
• For the control panel door, use a conductive gasket to improve the shielding effect.
• In the same control panel, do not install equipment that generates by design electromagnetic waves,
especially radio waves.
Model
3G3RX2
Cat. Cable length
Carrier
frequency
Model
3G3RX2
Cat. Cable length
Carrier
frequency
A2004 C3 10m 2kHz -- -- -- --
A2007 C3 10m 2kHz A4007 C3 10m 2kHz
A2015 C3 10m 2kHz A4015 C3 10m 2kHz
A2022 C3 10m 2kHz A4022 C3 10m 2kHz
A2037 C3 10m 2kHz A4037 C3 10m 2kHz
A2055 C3 5m 2kHz A4055 C3 5m 2kHz
A2075 C3 5m 2kHz A4075 C3 5m 2kHz
A2110 C3 5m 2kHz A4110 C3 5m 2kHz
A2150 C3 10m 1kHz A4150 C3 10m 2kHz
A2185 C3 10m 1kHz A4185 C3 10m 2kHz
A2220 C3 10m 1kHz A4220 C3 10m 2kHz
A2300 C3 5m 2kHz A4300 C3 5m 2kHz
A2370 C3 5m 2kHz A4370 C3 5m 2kHz
A2450 C3 5m 2kHz A4450 C3 5m 2kHz
A2550 C3 5m 2kHz A4550 C3 5m 2kHz
--- --- --- --- B4750 C3 3m 2kHz
--- --- --- --- B4900 C3 3m 2kHz
--- --- --- --- B411K C3 3m 2kHz
--- --- --- --- B413K C3 3m 2kHz
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