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3.4.2 DC bus connection of three-phase drives
Single mains fuse A single fuse is sufficient if the total input current of all drives connec-
ted via the common DC bus is less than the maximum fuse rating
shown in the table below.
Single mains fuse Maximum fuse rating
LXM32∙U60N4, LXM32∙D12N4,
LXM32∙D18N4, LXM32∙D30N4,
LXM32∙D72N4
A 32
LXM32∙D85N4, LXM32∙C10N4 A 63
PC/- PA/+ PC/- PA/+ PC/- PA/+
DC+
DC
-
L3
L2
L1
L2 L1L3 L2 L1L3L2 L1L3
Figure 4: Single mains fuse for three-phase drives
LXM32
3 Engineering
Common DC bus
27
MNA01M001EN, V1.01, 08.2014