Electrical Connections; Technical Specifications - Camille Bauer SIRAX CT3 Series Operating Manual

5. Electrical connections

Ensure under all circumstances that the leads are free of potential when connecting them!
P1
(K)
S1
(k)
6. Technical specifi cations
Input
Primary current I
pr
Dynamic short circuit current I
Thermal short circuit current I
Thermal rated current I
cth
Nominal frequency
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
Dimensions inside
Connection technology Secondary conductor
Connection cross-section secondary conductor
Tightening torque
Standards
Standards accepted
PM 1001643 000 00
P2
(L)
Connection marking
S2
(I)
SIRAX CT300
100 ... 400 A
dyn
th
1.5 ... 6.25 VA
93 / 106 / 40 mm
23 x 33 mm
k-S1
L
K-P1
N
SIRAX CT310
250 ... 2000 A
0.5; 1 0.5
1 ... 10 VA
UL94 V-0, self-extinguishing, non-dripping, halogen-free
125 / 158 / 40 mm
55 x 85 mm
M4 screws with self lifting clamp strap
max. 4 mm2 with wire end ferrule; 6 mm2 solid
IEC 61869-1; IEC 61869-2; IEC 61010-1
Split-core current transformer SIRAX CT line
A
I-S2
RL
Measuring circuit
L-P2
SIRAX CT320
1600 ... 3000 A
2.5 x I
th
60 x I
pr
1.0 x I (100%)
pr
50 ... 60 Hz
5 A oder 1 A
0.5
20 ... 30 VA
FS10; FS15; FS30
-20 ... +45 °C
-50 ... +80 °C
5 ... 85 %
2000 m
III
2
4 kV; 50 Hz; 1 min
0.72 kV
E
IP20
Polycarbonate
155 / 198 / 40 mm
55 x 125 mm
max. 2 Nm
SIRAX CT330
2500 ... 5000 A
0.5
25 ... 30 VA
195 / 245 / 40 mm
85 x 172 mm
9/10