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7 Power
Supply
7.1 Connection
Terminals
There are two ways to feed the ETC. Either you connect the clock to mains power (ETC
14/24: 90 – 240 VAC, ETC 12: 230 VAC +/- 10%, 50/60 Hz) or to an external power
supply (24 VDC, 30 VA). See also annexe A.
7.1.1
Mains Power Supply
ETC 12R
ETC 12
ETC 14R / ETC 24R
ETC 14 / ETC 24
Caution:
The ETC was designed for Protection class I. This requires a proper earth
connection, if the ETC is mains powered. Otherwise the ETC or the external
device could be damaged.
N
N
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