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Energizing inputs
Technical data
Rated current I
Thermal current withstand
- continuously
- for 1 s
Dynamic current withstand, half-wave value
Input impedance
Rated frequency f
Output contact ratings
Contact interval
Rated voltage
Continuous carry
Make and carry for 0.5 s
Make and carry for 3 s
Breaking capacity for dc, when the control
circuit time constant L/R < 40 ms, at the
control voltage levels 48/110/220 V dc
Contact material
Alarm contacts
Rated voltage
Continuous carry
Make and carry for 0.5 s
Make and carry for 3 s
Breaking capacity for dc, when the control
circuit time constant L/R < 40 ms, at the
control voltage levels 48/110/220 V dc
Contact material
Auxiliary power module
Power supply module
- type SPGU 240A1
- type SPGU 48B2
Burden of auxiliary supply under quiescent/
operating conditions
Differential relay modules SPCD 3C21, SPCD 3C22 and SPCD 3C23
Transforming ratio matching range of the HV
side current transformer
Transforming ratio matching range of the LV
side current transformer
Differential stage I
Setting range of the basic setting p
Setting range of the starting ratio s
2nd harmonic blocking threshold
Operating time
High-set instantaneous stage I
Starting current setting range
Operating time
n
, acc. to order
n
>
d
>>
d
1 A/5 A
4 A/20 A
100 A/500 A
250 A/1250 A
< 100 mΩ/< 20 mΩ
50 Hz or 60 Hz
65-66
68-69
250 V dc or ac
5 A
30 A
15 A
5 A/3 A/1 A
AgCdO
2
70-71-72, 73-74-75,
76-77-78
250 V dc or ac
5 A
10 A
8 A
1 A/0.25 A/0.15 A
AgCdO
2
80...265 V dc or ac
18...80 V dc
~10 W/ ~15 W
0.5...1.0 x I
n
0.5...1.0 x I
n
20...50 % I
n
10...50 %
10...20 % I
d
20...50 ms
20...30 x I
n
10...20 ms
C
15
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