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Data is subject to errors and technical modifications.
Modular Devices
& Enclosures
Current Transformers
Technical Data
Technical Data (to EN/IEC60044-1)
Primary rated current
50 A - 2000 A
Rated secondary current
5 A
Rated frequency
50 - 60 Hz
Highest voltage for equipment U m 720 V
Rated power-frequency withstand
voltage (r.m.s.)
3 kV
Instrument security factor (FS)
FS 5
Rated continuous thermal current
1,2 x I n
current rating
120 %
Rated short time thermal current
I th = 60 x I n (max
50 kA)
Rated dynamic current:
I dyn = 2,5 x I th
(max 120 kA)
Permissible ambient temperature
-40 °C to + 40 °C
Class of insulation in accordance
with IEC 60085
E
Degree of protection DIN/EN 60529
/ VDE 0470 T1
IP 20
Recommended tightening torque
secondary terminals
1,5 - 2 Nm
Prim.
[A]
Sec.
[A]
Power
[VA]
Accuracy
class
Dimensions
Max. Busbar
and cable
Size
SRA01005
100 5
2.5
1
70 x 49,5 x 30 mm 30 x 10 mm
25 x 15 mm
20 x 20 mm
SRA01505
150 5
2.5
1
SRA02005
200 5
2.5
1
SRA02505
250 5
2.5
1
SRC04005
400 5
5
1
SRC06005
600 5
5
1
SRA00505
50
5
1.5
1
78 x 60 x 30 mm 20 x 10 mm
15 x 15 mm
Ø 20 mm
SRI03005
300 5
5
1
78 x 60 x 30 mm 40 x 12 mm
Ø 28 mm
SRD08005
800 5
5
1
108 x 85 x 30 mm 60 x 10 mm
50 x 30 mm
Ø 45 mm
SRD10005
1000 5
5
1
SRD15005
1500 5
5
1
SRE20005
2000 5
15
1
122 x 100 x 40 mm 80 x 10 mm
60 x 30 mm
Ø 60 mm
SRA01005, SRA01505, SRA02005,
SRA02505, SRC04005, SRC06005
SRD08005, SRD10005, SRD15005
SRE20005
SRA00505
SRI03005