Mitsubishi Electric FR-F820-00077 Instruction Manual page 118

Electro-magnetic interference (EMI) and leakage currents
Example
3
Leakage current Ig1 (mA)
Leakage current Ign (mA)
Leakage current Igi (mA)
Leakage current Ig2 (mA)
Motor leakage current Igm (mA)
Total leakage current (mA)
Rated sensitivity current (mA) (≥ Ig ×10)
Tab. 3-2:
Inverter leakage current (with and without EMC filter)
Input power conditions:
(200 V class: 220 V/60 Hz, 400 V class: 440 V/60 Hz, power supply unbalance within 3%)
Phase grounding
Earthed-neutral system
Tab. 3-3:
3 - 4
5.5 mm² × 5 m
ELB
Noise filter
Inverter
Ig1 Ign
Igi
Estimation of the permanent flowing leakage current
Voltage (V)
Inverter leakage current (with and without built-in EMC filter)
5.5 mm² × 60 m
M
3~
Ig2 Igm
Breaker designed for harmonic
and surge suppression
For the leakage current of the inverter, refer to the following table.
3.00
30
ON (mA)
200
400
400
Precautions for use of the inverter
3~,
200 V,
2.2 kW
Standard breaker
5 m
33 × = 0.17
1000 m
0 (without noise filter)
1 (without EMC filter)
50 m
33 × = 1.65
1000 m
0.18
6.66
100
EMC filter
OFF (mA)
22
35
2
1
2
1