65
SECTION 4
CONNECTIONS
Wire Sizing Requirements
Model
Line Conductor Ground Conductor
Ground Conductor
Single Conductor
2 Parallel Conductors
WLF40050H
14 AWG, 600 V
6 AWG, 600 V
14 AWG, 600 V
WLF40050D
WLF40200H
6 AWG, 600 V
6 AWG, 600 V
N/A
WLF40200D
WLF40300H
6 AWG, 600 V
6 AWG, 600 V
N/A
(90°C wire)
(90°C wire)
WLF40400H
2 AWG, 600 V
2 AWG, 600 V
N/A
WLF40500H
1/0 AWG, 600 V
1/0 AWG, 600 V
N/A
WLF40600H
2/0 AWG, 600 V
2/0 AWG, 600 V
N/A
WLF40750H
3/0 AWG, 600 V
3/0 AWG, 600 V
N/A
Figure 5
Additional requirements may be necessary, dependent on CEC, CE, VDE, or local codes.
Figure 5 shows the connections required for compliance to the CE EMC directive. Due to the leakage current
associated with these filters (>3.5 mA), one of the following measures must be taken to be in compliance with
specification EN 50178:
• The filter must be connected by a cable which is electrically parallel with the earth ground conductor.
This conductor must meet the requirements of IEC 364-5-543 on its own.
• The ground conductor must have a cross section of at least 10 mm
2
(#6 AWG), or two parallel ground
conductors must be used of the same size as the line conductors.
• The ground conductor must be monitored by a fault detection device that isolates the inverter from
the power source in the event of a fault.
The inverter must always be connected permanently (EN 50178) when using a WLF Series line filter,
due to the leakage currents involved.
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Summary of Contents for WFC1000 Series
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