Voltage supply and current consumption
COREX-C-X2 COREX-C-X3
SD card Slot for microSD card Slot for microSD card
Battery CR1025 CR1025
Weight 314 g 314 g
Dimensions Refer to ⮫ Chapter 10.1
“Housing dimensions”
on page 18
Refer to ⮫ Chapter 10.1 “Housing
dimensions” on page 18
7.2 Voltage supply and current consumption
Table 9: Operating voltage and current consumption
Nominal voltage at U
LS
DC 24 V SELV/PELV
Maximum voltage range of the supply voltage
allowed U
LS
18 V DC to 31.2 V DC (incl. all tolerances and
ripple)
Max. current consumption of the control from U
L
at
a nominal voltage of 24 V
320 mA
Max. power consumption of the control from U
L
at a
nominal voltage of 24 V
7.68 W
Reverse voltage protection of the supply voltage eFuse
Fuse protection eFuse, 2.0 A
Overvoltage protection The protective fuse can trigger in case of over-
voltage
Transient protection Present, suppressor diodes
Pulse load up to 1,500 W
Voltage dips at current supply interfaces PS1 < 1 ms, evaluation criterion A
Electrical isolation
24 V supply (U
L
/U
L
GND) to the functional earth
DC 707 V
24 V supply (U
L
/U
L
GND) to XF10, XF50, XF51 DC 1200 V
NOTICE
Electronic damage due to polarity reversal or due to a nominal current that is
too low
The power supply unit has to be able to provide the quadruple nominal cur-
rent of the maximum current consumption to ensure a reliable triggering in
case of a failure.
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