GEN7iB
195
INPUT CARDS
INPUT CARDS
12
12.2.6 Understanding the GN310B/GN311B category rating
Safety according to the harmonized standard
Fig. 12.17 Category indication in accordance with IEC 61010-2-030:2017
Example:Ameasurementdeviceisspeciedas1000VCATIV,maximuminputto
chassis voltage 1000 V CAT III.
Basic insulation test voltages in accordance with IEC 61010-2-030:2017
Nominal voltage
[V RMS or V DC]
IEC 61010-2-030:2017 BASIC insulation
5 sec. AC test [V RMS]
CAT II CAT III CAT IV
≤150
1.350 1.390 2.210
>150≤300
1.500 2.210 3.310
>300≤600
2.210 3.310 4.260
>600≤1000
3.310 4.260 6.600