Current Transformer STWA3D

Current Transformer for use with residual current monitor RCM1000V

Current Transformer STWA3D

Part number

STWA3D20
20 mm
STWA3D35
35 mm
STWA3D70
70 mm
STWA3D125
125 mm

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