MULTI-TOUCH OPERATING PANEL
ETT 764
4.2 Electrical Requirements
Supply voltage
+24 V DC ±20 % (SELV/PELV)
UL: Class 2 of LVLC
Protection class
III
Current consumption of (+24 V)
power supply
typically 320 mA
(with no external devices
connected)
maximum 530 mA
(with external devices connected)
Inrush current without current-
limiting supply
30 A for max. 20 µs
Inrush current with 24 V/10 A
fixed voltage supply
1 A for max. 30 ms
INFORMATION
For 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).
24.03.2021
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