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5.58
General Catalogue • Modular Devices • Technical
Current Transformers
Technical Data (to EN/IEC60044-1)
Primary rated current
50 A - 2.000 A
Rated secondary current
5 A
Rated frequency
50 - 60 Hz
Highest voltage for equipment
Um
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 In
current rating
120 %
Rated short time thermal current
Ith = 60 x In (max
50 kA)
Rated dynamic current:
Idyn = 2,5 x Ith
(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