L2
L3
++
--
L3
L1
PE
N/L2
PB
Protection Mains connection 400 V 3-phase
• Fuse (see chapter 2.3) or
• power protective switch
• at DC-supply pay attention to the per-
missible voltage range of the fuses
3 x 305…528 Vac
U
PB
T1
T2
W
V
L1
PE
L2
L3
++
--
L3
L2
L1
PE
DC-connection 230 V-class DC-connection 400 V-class
250…370 Vdc
U
PB
T1
This product can cause a d.c. current in the protective conductor. Where a
residual current device (RCD) is used for protection in case of direct or indirect
contact, only an RCD of Type B is allowed on the supply side of this product.
Otherwise, another protective measure shall be applied, such as separation
from the environment by double or reinforced insulation, or isolation from the
supply system by a transformator.
Installation and Connection
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