4-14
Main Circuit Wiring for CE Mark
Connect the power supply of overvoltage category 2 to the main power input terminals L1, L2 and L3 via a
circuit breaker and/or a leakage current breaker. There is no need to match the phase when connecting.
If the power supply is overvoltage category 3, place the devices to limit overvoltage below 2.5 kV as shown.
LI
L2
L3
Isolation Transformer Inverter
Inverter
Varistor
Surge Absorber
LI
L2
L3
Figure 4-13. MAIN CIRCUIT WIRING FOR CE MARK
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