Siemens 7SR18 Solkor - Energising Quantities; Auxiliary Power Supply

7SR18 Performance Specification
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1.2 Energising Quantities
1.2.1 Auxiliary Power Supply
IEC60255-26
Nominal Operating Range Absolute Range* Comments
V
24 V DC to 250 V DC
100 V AC to 230 V AC
19.2 V DC to 275 V DC,
80 V AC to 253 V AC
Universal voltage PSU suitable for 24 V DC,
48 V DC, 60 V DC, 110 V DC, 125 V DC and
250 V DC
100 V AC, 110 V AC, 115 V AC, 120 V AC,
200 V AC and 230 V AC
*No relay operation outside of this range is permissible or implied.
1.2.1.1 Burden
Battery loading can be estimated from the following approximate figures (Universal PSU): -
Attribute Watts (DC)
Voltage (V) 24 48 60 110 220 250
Quiescent Relay (inc. PROT
HEALTHY LED)
10.87 10.18 10.02 9.68 9.02 9.10
PROT HEALTHY LED, all BI,
all BO, all LEDs, LCD on
12.38 11.47 11.34 11.00 10.34 10.45
PROT HEALTHY LED, BO 1
on, LCD on
9.60 8.93 8.76 8.58 7.92 7.98
PROT HEALTHY LED, BO 1
on, LCD off
8.30 7.87 7.74 7.48 7.04 7.15
Attribute VA (AC) 50 Hz
Voltage (V) 100 110 115 120 200 230
Quiescent Relay (inc. PROT
HEALTHY LED)
18.20 19.36 20.01 20.64 26.60 28.29
PROT HEALTHY LED, all BI,
all BO, all LEDs, LCD on
19.40 20.79 21.39 22.20 30.00 30.36
PROT HEALTHY LED, BO 1
on, LCD on
17.10 18.15 18.63 19.08 23.80 25.30
PROT HEALTHY LED, BO 1
on, LCD off
17.00 17.49 17.71 18.00 21.40 22.77
Attribute VA (AC) 60 Hz
Voltage (V) 100 110 115 120 200 230
Quiescent Relay (inc. PROT
HEALTHY LED)
21.40 22.44 22.66 23.04 26.60 28.06
PROT HEALTHY LED, all BI,
all BO, all LEDs, LCD on
23.40 24.75 25.53 26.16 30.00 31.28
PROT HEALTHY LED, BO 1
on, LCD on
19.30 19.91 20.24 20.64 23.80 25.07
PROT HEALTHY LED, BO 1
on, LCD off
17.20 17.82 18.17 18.48 21.20 22.31