CT-600/CT-1000 User’s Manual
24
4.2
Insulation characteristics
In the following table are represented the insulation characteristics of the CT-
600 and CT-1000 current transducers.
Parameter
Value
Reference
Rated insulation voltage (RMS),
basic insulation
2000 V
IEC 61010-1 conditions
- over voltage cat III
- pollution degree 2
Rated insulation voltage (RMS),
reinforced insulation
600 V
IEC 61010-1 conditions
- over voltage cat III
- pollution degree 2
Rated insulation voltage (RMS),
basic insulation
1000 V
EN 50178 conditions
- over voltage cat III
- pollution degree 2
Rated insulation voltage (RMS),
reinforced insulation
600 V
EN 50178 conditions
- over voltage cat III
- pollution degree 2
RMS voltage for AC insulation test,
50/60 Hz, 1 min
5.4 kV
Between primary and
sec shield
Clearance (primary
–
secondary)
11 mm
Shorter distance path
Table 5:
Insulation characteristics
The voltage insulation category could be improved, if insulated cable is used
for the primary circuit.