Manual
22
3.2. D30N, D30CN AND D31N CLAMPS
Clamp D30NandD30CN D31N
Transformation ratio 3,000/1 500/1 1,000/1 1500/1
Measurementrange 1to3,600A
ac
1to600A
ac
1to1200A
ac
1to1800A
ac
Intrinsic uncertainty and
phase shift
1.5Rand1,5°for150A
0.75Rand0.75°for600A
0.5Rand0.5°for3,000A
0.5Rand0.5°for3,600A
3Rand3.5°for25A
3Rand3.5°for100A
3Rand2°for500A
3Rand2°for600A
3Rand3°for50A
1.5Rand1.5°for200A
1Rand1°for1,000A
1Rand1°for1,200A
1.5Rand1,5°for75A
0.75Rand0.75°for300A
0.5Rand0.5°for1,500A
0.5Rand0.5°for1,800
A
AccuracyclassasperIEC
61869‑2foragivenload
0.5(5VA) 3(5VA) 1(5VA) 0.5(5VA)
Inuenceoftemperature <0.1/10°C <0.1/10°C
Inuence of an adjacent
current-carrying conductor
0.005A/A 0.005A/A
Influence of conductor
position
1+0.1A 1.5+0.2A 1+0.2A 1+0.2A
Inuenceoffrequency
at2.5VA
at 5 VA
at10VA
from30to5,000Hz
5+0.4A
3+0.3Afrom1to3,600
A(seecurvein§3.6)
-
from30to1,500Hz
-
3+1A
-
from30to1,500Hz
-
3+0.5A
-
from30to1,500Hz
-
3+0.5A
-
Duration of use
from1to2,400A
permanent
from2,400to2,800A
15min‑30minoff
from2,800to3,400A
10min‑30minoff
from3,400to3,600A
5min‑30minoff
permanent permanent permanent
Protection against
opening of secondary
(Umaxinopencircuit)
yes(42Vpeak) yes(42Vpeak)










