Datasheet

78 TDB409012en / Main catalogue part 4 – Residual current monitors, Residual current monitoring systems / 08.2011
4.5
W…AB series measuring current transformers
Dimension diagram
Dimensions in mm
Technical data
Insulation coordination acc. to IEC 60664-1 / IEC 60664-3
Rated insulation voltage 800 V
Rated impulse voltage/pollution degree 8 kV / III
Supply voltage
Supply voltage U
S
DC + / -12 V
Operating range of U
S
0.95…1.05 x U
S
Power consumption ≤ 2.5 VA
CT circuit
Rated primary residual current W20AB 10…500 mA
Rated primary residual current W35AB…W120AB 10 mA…10 A
Rated primary residual current W210AB 300 mA…10 A
Rated primary residual current W35ABP and W60ABP 10 mA…10 A
Rated continuous thermal current I
cth
40 A
Rated short-time thermal current I
th
2.4 kA / 1 s
Rated dynamic current I
dyn
6.0 kA / 40 ms
EMC
EMC IEC 62020
Ambient temperature, operation - 10 °C…+ 55 °C
Climatic class acc. to IEC 60721
Stationary use (IEC 60721-3-3) 3K5 (except condensation and formation of ice)
Transport (IEC 60721-3-2) 2K5 (except condensation and formation of ice)
Long-time storage (IEC 60721-3-1) 1K5 (except condensation and formation of ice)
Classification of mechanical conditions IEC 60721
Stationary use (IEC 60721-3-3) 3M4
Transport (IEC 60721-3-2) 2M2
Long-time storage (IEC 60721-3-1) 1M3
Connection
Type of connection plug-in connectors
Connection RCMA/RCMS-measuring current transformer
refer to table "Connecting cables"
Other
Degree of protection, internal components (IEC 60529) IP40
Degree of protection, terminals (IEC 60529) IP20
Screw mounting M5 with mounting bracket
DIN rail mounting (W20AB, W35AB(P), W60AB(P) only) with snap-on mounting
Flammability class UL94 V-O
Operating manual TBP409012
Ordering information - Connecting cables
Type For device Length/m Art. No.
WX-100 RCMA420 / 423 1 B 9808 0503
WX-250 RCMA420 / 423 2,5 B 9808 0504
WX-500 RCMA420 / 423 5 B 9808 0505
WX-1000 RCMA420 / 423 10 B 9808 0511
WXS-100 RCMS460/490 1 B 9808 0506
WXS-250 RCMS460/490 2,5 B 9808 0507
WXS-500 RCMS460/490 5 B 9808 0508
WXS-1000 RCMS460/490 10 B 9808 0509
Control cable LiYY flexible, 6 x AWG 20 (6 x 0.56 mm²),
approved by UL 2464
Accessories
Type Art. No.
Snap-on mounting for W20AB, W35AB(P) B 9808 0501
Snap-on mounting for W60AB(P) B 9808 0502
Dimensions
Type A B C D E F G H Weight
W20AB 30 56.3 50 76.4 48.5 ø 20 29.8 16.4 0.18 kg
W35AB(P) 30 79.2 62 99.5 55 ø 35 41.7 20 0.35 kg
W60AB(P) 37 116.4 79 135 67 ø 60 60.4 24 0.57 kg
W120AB 37 191.5 116.5 210 67 ø 120 98 33.5 1.92 kg
W210AB 45 304.5 173 323 80 ø 210 154.5 45 5.8 kg
Ordering information
Type Internal
diameter
Mounting
Art. No.
DIN rail Screw mounting
W20AB ø 20 mm × × B 9808 0008
W35AB ø 35 mm × × B 9808 0016
W60AB ø 60 mm × × B 9808 0026
W120AB ø 120 mm -- × B 9808 0041
W210AB ø 210 mm -- × B 9808 0040
W35ABP ø 35 mm × × B 9808 0051
W60ABP ø 60 mm × × B 9808 0052
Power supply unit
Type Supply voltage U
S
Art. No.
AN420-2 DC 70…300 V /
AC 42…460 Hz 70…276 V
B 9405 3100
AN110-1 DC 18…72 V /
AC 50…60 Hz 20…60 V
B 9405 3101
AN110-2 DC 100…353 V /
AC 50…60 Hz 90…264 V
B 9405 3102