SIGMATEK ETT 736, Руководство по эксплуатации

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TOUCH OPERATING PANEL ETT 736
12.01.2022 Page 15
4.4 Electrical Requirements
Supply voltage typ24 V DC ±20 % (SELV/PELV)
UL: Class 2 or LVLC
Protection class III
Current consumption of (+24 V)
power supply typically 350 mA
(without externally connected de-
vices)
maximum 560 mA
(with external devices connected)
Inrush current maximum 2 A (for 10

s)
USA and Canada:
The supply must be limited to:
a) max. 5 A at voltages from 0-20 V DC, or
b) 100 W at voltages from 20-60 V DC.
The limiting component (e.g. transformer, power supply or fuse) must be certified by an
NRTL (Nationally Recognized Testing Laboratory).