GEN7iB
215
INPUT CARDS
INPUT CARDS
12
12.3.4 Understanding the GN610B/GN611B category rating
Fig. 12.36 Category indication in accordance with IEC 61010-2-030:2017
Example:Ameasurementdeviceisspeciedas600VCATII,maximuminputvoltage
1000 V DC.
Insulation test voltages in accordance with IEC 61010-2-030:2017
Nominal voltage
[V RMS or V DC]
IEC 61010-2-030:2017
5 sec. AC test [V RMS] Impulse test (V)
CAT II CAT III CAT IV CAT II CAT III CAT IV
≤150
840 1.390 2.210 1.550 2.500 4.000
>150≤300
1.390 2.210 3.310 2.500 4.000 6.000
>300≤600
2.210 3.310 4.260 4.000 6.000 8.000
>600≤1000
3.310 4.260 6.600 6.000 8.000 12.000
Usingthetableabove,itcanbeconcludedthatthisspecicationinformstheuserthat
a voltage channel within the device has passed the insulation test; 5 sec at 5.4 k RMS.
The maximum operating input voltage of the voltage channel is 1.5 kV DC. This voltage
channel of the device is to be used to measure 1.5 kV
DC
CAT III, 1 kV CAT IV basic.