Manual

24
3.4. D33N AND D34N CLAMPS
Clamp D33N D34N
Transformation ratio 3,000/5 500/5 1000/5 1500/5 Measurementrange 1to3,600A
ac
1to600A
ac
1to1200A
ac
1to800A
ac
Intrinsic uncertainty and phase shift
3Rand3°for150A
1.5Rand1.5°for600A
1Rand1°for3000A 1Rand1°for3600A
3Rand5°for50A
3Rand4°for200A
3Rand4°for1000A 3Rand4°for1200A
3Rand3°for25A
1.5Rand1.5°for100A
1Rand1°for500A 1Rand1°for600A
1.5Rand1.5°for75A
0.75Rand0.75°for300A 0.5Rand0.5°for1,500A 0.5Rand0.5°for1,800A
AccuracyclassasperIEC 61869‑2foragivenload
1(5VA) 3(5VA) 1(2.5VA) 0.5(2.5VA)
Inuenceoftemperature <0.1/10°C <0.1/10°C Inuence of an adjacent current-carrying conductor
0.005A/A 0.005A/A
Influence of conductor position
1+0.1A 1.5+0.2A 1+0.2A 1+0.2A
Inuenceoffrequency at2.5VA at 5 VA at10VA
from30to5,000Hz
5+0.4A 3+0.3A
-
from30to1,500H
-
3+1A
-
from30to1,500H
5+0.5A
- -
from30to1,500H
5+0.5A
- -
Duration of use
from1to2,400A
permanent
from2,400to3,600A
10min‑30minoff
permanent permanent permanent
Protection against opening of secondary
no no