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5. Electrical connections
Ensure under all circumstances that the leads are free of potential when connecting them!
P1
(K)
S1
(k)
6. Technical specifications
Input
Primary current I
pr
Dynamic short circuit current I
Thermal short circuit current I
Thermal rated current I
cth
Nominal frequncy
Output
Secondary current I
sr
Class of accuracy
Rated burden S
r
Instrument security factor FS
Environmental conditions
Ambient temperature
Storage temperature
Relative humidity (without condensation)
Operating height
Safety
Overvoltage category
Degree of pollution
Test voltage
Rated insulation level
Insulation class
Body protection IP
Mechanical properties
Housing material
Flammability class
Dimensions (width / height / depth)
Connections
Connection technology primarey and secondary
conductor
Connection cross-section primarey and
secondary conductor
Tightening torque
Standards
Standards accepted
PM 1001853 000 00
P2
(L)
Connection marking
S2
(I)
dyn
th
k-S1
L
K-P1
N
SIRAX CT100
1 ... 30 A
0.2
0.5
1 VA
2.5 VA
FS15
FS10
UL94 V-0, self-extinguishing, non-dripping, halogen-free
50 / 70 / 51 mm
M4 screws with self lifting clamp strap
max. 4 mm2 with wire end ferrule; 6 mm2 solid
IEC 61869-1; IEC 61869-2
Wound primary current transformer SIRAX CT1xx line
A
I-S2
RL
Measuring circuit
L-P2
SIRAX CT110
1 ... 60 A
2.5 x I
th
40 x I
pr
1.0 x I
(100%)
pr
50 ... 60 Hz
5 A or 1 A
0.2
1.5 VA
FS15
-20 ... +45 °C
-50 ... +80 °C
5 ... 85 %
2000 m
III
2
3 kV; 50 Hz; 1 min
0.72 kV
E
IP20
Polycarbonate
62 / 78 / 40 mm
max. 2 Nm
0.5
5 VA
FS10
9/12
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