Ziehl Stwa1S Electronic Current Transformers

Switching point at Tu = 25°C

.......

AC 2 A +20/-40%

 

Hysterese

.......

approx. 6%

 

Repeat accuracy

.......

±5 %

 

Temperature dependence

.......

0...55°C: <0,5%/K (-20...0°C: <2,5%/K)

 

Temperature dependence

.......

100 A/ 300 A

 

Output voltage/current max.

.......

DC 40 V / 40 mA

 

Voltage drop (ON)

.......

max. 3 V

 

Leak current (OFF)

.......

max. 0,6 mA

 

Switch-on /switch-off delay

.......

app.ca. 50 / 200 ms

 

nominal frequency/ operating range

.......

50 Hz/ 30...70 Hz

 

error

.......

≤ 1 %/Hz

 

rated ambient temperature range

.......

-20...+55 °C

 

Housing

.......

Design S

 

Dimensions (Ø x H)

.......

34,5 x 27 mm

 

Diameter for conductor

.......

11 mm

 

Weight

.......

app. 60 g

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