ABB REF 541 Product Manual page 37

Feeder Terminal
Table 8: Energizing inputs
Voltage inputs rated voltage
voltage withstand, continuously
burden at rated voltage
Sensor inputs, max 9 AC voltage range
DC voltage range
input impedance
input capacitance
Table 9: Auxiliary power supplies
Type
Input voltage, ac
Input voltage, dc
Voltage variation
Burden
Ripple in dc auxiliary voltage
Interruption time in auxiliary
dc voltage without resetting
Internal overtemperature
indication
PS1/240V PS2/240V
(REF 541, (REF 545
REF 543) only)
110/120/220/240 V
110/125/220 V
ac 85...110%, dc 80...120%
of rated value
<50 W
max. 12% of the dc value
<40 ms, 110 V and
<100 ms, 200 V
+78C (+75...+83C)
REF 541, REF 543, REF 545.
1MRS750443-MBG
100 V/110 V/115 V/120 V
(parameterization)
2 x U (240 V)
n
<0.5 VA
9.4 V RMS
±13.3 V
> 4.7 M
< 1 nF
External PS1/48V
display (REF 541,
module REF 543)
-
24/48/60 V
dc 80...120% of rated value
<60 ms, 48 V and
<100 ms, 60 V
PS2/48V
(REF 545
only)
37