Technical Data - Siemens SDR 15.5 kV Instruction Manual

Characteristic
Rated maximum voltage U
Rated continuous current I
Rated lightning impulse withstand voltage U
Power frequency insulation level withstand test
voltage (one minute dry) U
Rated symmetrical interrupting current I
Rated asymmetrical making current (rms)
Rated peak making current
Mechanical life (operating cycles)
Permissible short-circuit operations
Ambient temperature range
Centerline spacing between phases
Flashover distance
Phase/phase
Phase/ground (earth)
Creepage distance
Phase/ground (earth)
Between line-side and load-side terminal
Protective function
Phase faults
Ground (earth) faults
Sensitive ground (earth) faults
Operation time
Closing time
Opening time
Arcing time
Interrupting time
Dead time
Dead time after first open
Dead time after second and third open
Dead time after fourth open

Technical data

Unit
kV 15.5
r
A 630, 800
r
kV 110
p
kV 50
d
kA 12.5, 16
sc
kA 20, 25
kA 32.5, 41
OPS 10,000
OPS up to 250
ºC -40 to +55
in
14.8 (376)
(mm)
Unit
in
12.3 (312)
(mm)
in
10.4 (265)
(mm)
Unit
in
31.9 (810)
(mm)
in
46.1 (1,170)
(mm)
Unit
A 40
A 4
A 4
Unit
ms <60
ms <35
ms <15
ms <50
Unit
s 0.2 to 14,400
s 2 to 14,400
s 30 to 14,400
Voltage class
27.0 27.0
630, 800 630, 800
125 150
60 70
12.5 12.5, 16
20 20, 25
32.5 32.5, 41
10,000 10,000
up to 250 up to 250
-40 to +55 -40 to +55
14.8 (376) 14.8 (376)
12.3 (312) 12.3 (312)
10.4 (265) 13.4 (340)
31.9 (810) 50.8 (1,290)
46.1 (1,170) 54.8 (1,390)
Minimum trip current
40 40
4 4
4 4
Time
<60 <60
< 35 < 35
<15 <15
<50 <50
Time range
0.2 to 14,400 0.2 to 14,400
2 to 14,400 3 to 14,400
30 to 14,400 30 to 14,400
Table 5: Main
characteristic data
38.0
630, 800
170
70
12.5, 16
20, 25
32.5, 41
10,000
up to 250
-40 to +55
14.8 (376)
12.3 (312)
13.4 (340)
50.8 (1,290)
54.8 (1,390)
Table 6: Minimum trip
currents
40
4
4
Table 7: Operating
times
<60
< 35
<15
<50
Table 8: Dead times for
recloser cycle
0.2 to 14,400
(reclosing interval)
3 to 14,400
30 to 14,400
27