iSMA-B-FCU /FCU Hardware
Version 1.1
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2.1.2 iSMA-B-FCU-HL
iSMA-B-FCU-HL has a high voltage power supply (230 V AC) and low voltage Triac Outputs (24 V
AC). The Triac Outputs are connected to a built-in 24 V AC transformer as shown in the below
diagram. The maximum power consumed by the external equipment connected to the Triac
Outputs and to 24
V terminals (L2, N2) cannot exceed 7
VA in total.
Figure 3 iSMA-B-FCU-HL diagram of terminals and internal connections
