Current Transformer STWA3D
Current Transformer for use with residual current monitor RCM1000V
Part number
Product description
The current transformers STWA3D for use with residual current monitor RCM1000V are available with 4 different inside diameters. STWA3D20-70 can be snapped on a DIN-rail, vertically or horizontally or be fixed with screws. The Bracket for mounting is included. STWA3D125 can only be mounted with screws.
Technical Data
Rated current Kn primary/secondary
10 A / 0,0167 A
Rated power
50 mVA (180 Ohm)
Frequency range
42 Hz … 3 kHz
Rated ambient temperature range
-5 °C … +70 °C
Temperature storage
-25 °C … + 70 °C
Rated short-time thermal current Ith
2,4 kA / 1 s
Rated continuous residual current
40 A
Nominal current Idyn
6 kA / 40 ms
Nominal voltage
0,8 kV
Rated impulse voltage
8 kV
Contamination level
III
Dimensions (STWA3D20)
Inside diameter
20 mm
X * Y * Z (mm)
53 * 49 * 87
Weight
120 g
Dimensions (STWA3D35)
Inside diameter
35 mm
X * Y * Z (mm)
68 * 49 * 103
Weight
160 g
Dimensions (STWA3D70)
Inside diameter
70 mm
X * Y * Z (mm)
103 * 49 * 137
Weight
290 g
Dimensions (STWA3D125)
Inside diameter
125 mm
X * Y * Z (mm)
173 * 63 * 200
Weight
910 g
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