KRAL BEM 300 Series, Руководство по эксплуатации

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Operating Instructions OIE 15en Edition 2019-12 HW 2.0/SW 2.0 39
Accessories electrical connection
Accessories
Accessories electrical connection
The electronic unit operates with a power supply of 24 V DC. If a different voltage is available in the sys-
tem, a suitable power supply unit can be used.
Rack mounting power supply unit EEN 12
Fig. 2 Rack mounting power supply unit EEN 12 Fig. 3 Dimensions
Input Data
Input voltage
□
100–240 V AC (tolerance: 93–265 V AC)
47–63 Hz
135–370 V DC
Starting current inrush
□
230 V AC: 30 A max.
□
115 V AC: 15 A max. limited by NTC,
in heated state higher
Overvoltage protection at the input
□
Varistor
Fuse
□
Internal fuse T4A 250 V,
additional external fuse not required
Current consumption
□
230 V AC: 0.25 A typ.
□
115 V AC: 0.5 A typ.
Output Data
Output voltage 24 V DC
Output current max. 850 mA
Output power 20 W
Function display LED at front panel
Current limitation Fold-back, set to approx. 1.05 x Irated
System deviation at load change
stat. 10-90% 0,1%
System deviation at load change
dyn. 10-90% 1,0%
Adjusting time 1 ms
System deviation at input change
±10% 0,1%
Mains buffering > 20 ms
Residual ripple < 50 mVss
Switching peaks < 100 mVss
Overvoltage protection at the output Suppressor diode (Transil diode)