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STWA1  

12050-0701-00

  

Page

 

4 / 4 

www.ziehl.de 

  

Permissible storage temperature 

-25 

°C …+70 °C 

Installation height 

< 2000 m over N.N. 

Climatic conditions 

5-85% rel. F., no condensation 

Vibration resistance EN 60068-2-6 

2 … 13.2 Hz ±1 mm   13.2 ... 100 Hz 1 g 

 

2…25 Hz ±1.6 mm    25 ... 150 Hz 5 g 

 

 

 

Housing 

clip-on 

Housing material 

Polyamide PA66 blue  

Flammability 

UL94 V-2 

Grouting 

2 component-silicon RTV627 

Protection class 

IP 20  

Outside diameter 

31.3 mm 

Height 

18 mm 

Connection cable 

Wire LiYv 7x 0.25 (0.34 mm²) AWG 22 black 

Wirelength 

2 x 1000 mm 

Stripping length 

10 mm 

Opening for primary conductor 

11 mm 

Mounting position 

any 

Weight 

~ 43 g 

 
 
 

Subject to technical changes 

 
 
 
 

Housing  

 
 

 

 

 
 

Содержание STWA1

Страница 1: ... 3 5 1 Tips 3 6 Technical data 3 7 Housing 4 1 Application and short description Current transformers STWA1 are inductive working single ended current transformers Due to the applied measuring principle these current transformers are only suitable for alternating current The current transformer STWA1 is used together with ZIEHL current relay type STW for current detection and control of extraction...

Страница 2: ...phical scope the valid and relevant regulations of the corresponding country DANGER Hazardous voltage Will cause death or serious injury Turn off and lock out all power supplying this device before working on this device DANGER In a non loaded open secondary circuit of the current transformer STWA1 high voltages are induced at the secondary terminals For primary currents 16 A this voltage can be d...

Страница 3: ...Limit too low small loads shall not be recognized Connect a resistor 0 25 W 200 V in parallel to the current transformer STWA1 H resistor 750 Ohm enhancement by factor 2x resistor 330 Ohm enhancement by factor 4x resistor 150 Ohm enhancement by factor 10x Because of high tolerances we recommend to determine the best value by try out 6 Technical data Input primary conductor Rated thermal continuous...

Страница 4: ...100 Hz 1 g 2 25 Hz 1 6 mm 25 150 Hz 5 g Housing clip on Housing material Polyamide PA66 blue Flammability UL94 V 2 Grouting 2 component silicon RTV627 Protection class IP 20 Outside diameter 31 3 mm Height 18 mm Connection cable Wire LiYv 7x 0 25 0 34 mm AWG 22 black Wirelength 2 x 1000 mm Stripping length 10 mm Opening for primary conductor 11 mm Mounting position any Weight 43 g Subject to techn...

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