Electrical Installation
Line choke
Line chokes reduce mains harmonics and reactive power. Additional the increase of product life is
possible. Consider the reduction of the maximum output voltage if a line choke is installed.
The line choke must be installed between mains connection and input filter.
BONFIGLIOLI provides applicable line chokes. Refer to chapter 12.4 “Line choke”.
Input filter
Input filters reduce the conducted radio-frequency interference voltage. The input filter must be in-
stalled upstream on mains side of the frequency inverter.
CAUTION
The frequency inverters meet the requirements of the low-voltage direc-tive 2006/95/EC
and the requirements of the EMC directive 2004/108/EC
. The EMC product standard EN
61800-
3 relates to the drive system. The documentation provides information on how
the applicable standards can be complied if the frequency inverter is a component of the
drive system. The declaration of conformity is to be issued by the supplier of the drive
system.
5.4 Dimensioning of conductor cross-section
• The cable dimensions must be selected according to the current load and voltage drop to be ex-
pected.
• Select the cable cross-section of the cables such that the voltage drop is as small as possible. If
the voltage drop is too great, the motor will not reach its full torque.
• Comply with any additional national and application-specific regulations and the separate UL in-
structions. For typical mains fuses, refer to chapter 11 "Technical data".
Select cross-sections of PE conductor according to EN61800-5-1:
Install two protective conductors of the same size as the mains
cable, or one protective conductor of a size of 10 mm².
Install one protective conductor of the same size as the mains
cable.
Install one protective conductor with a cross-section of 16 mm².
Install one protective conductor of half the size of the mains ca-
ble.
34
Operating Instructions
Agile
06/2013 Dimensioning of conductor cross-section
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