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2. INSTALLATION AND WIRING
2.5 Main circuit terminals (for 6-phase rectification)
• The figure below shows how to connect bus bars to the main circuit terminals.
NOTE
• Ensure the upper main circuit terminal cover (front) and the lower main circuit terminal cover is reinstalled before the operation
is started.
2.5.3
Applicable cables
Select a recommended size cable to ensure that the voltage drop ratio is within 2%.
The following table shows a combination recommended when a wiring length is 20 m (at 690 V input power supply).
Converter unit model
FR-CC2-N[]
Terminal
screw
size
Tightening
torque
(N·m)
Bus bar dimensions
Earth (ground) cable size
R/L1, S/L2, T/L3
P/+, N/-
PVC cables, etc. (mm
2
450K to 630K
M12 (M10)
24.5
6 mm thick and 40 mm
wide
6 mm thick and 60 mm
wide
2×80