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ZIEHL    industrie  –  elektronik    GmbH    +  Co    KG
Daimlerstr.13,  74523  Schwäbisch  Hall,  Germany
+ 49 791 504-0,    info@ziehl.de,    www.ziehl.de 

 
 

 

Temperature Relays and MINIKA®     Mains Monitoring       Digital Panelmeters MINIPAN®      Switching Relays and Controls       Measuring Transducers  Grid- and Plant Protection

 

 

Operating Manual STW12V

 

updated: 2022-09-21/Um

 

 

 

For more information and help about this product please scan the 

QR-Code 

or 

choose the following link: 

STW12V

 

 

 

Operating manual, Quick guide, Datasheet, Connection diagram, CAD Data 

 

Firmwareupdates, FAQ, Videos about installation and settings, Certificates 

 
 

STW12V 

12470-0710-00 

Page

 

1 / 8 

www.ziehl.de 

 
 

- Current Relay, 12 inputs in OR circuit with adjustable response threshold 

 
 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

 

Summary of Contents for STW12V

Page 1: ...sducers Grid and Plant Protection Operating Manual STW12V updated 2022 09 21 Um For more information and help about this product please scan the QR Code or choose the following link STW12V Operating manual Quick guide Datasheet Connection diagram CAD Data Firmwareupdates FAQ Videos about installation and settings Certificates STW12V 12470 0710 00 Page 1 8 www ziehl de Current Relay 12 inputs in OR...

Page 2: ...ew 3 4 Display and controls 3 5 Connection diagram 4 6 Important notes 5 7 Assembly 5 8 Detailed description 5 8 1 Connection of current transducer STWA1 H 5 8 2 Current sensor or contact connection only 6 8 3 Mixed operation Transducers sensors and contacts can also operate in mixed mode 6 9 Technical data 6 10 Type V4 8 11 Disposal 8 ...

Page 3: ...rent transducers type STWA1 H current sensors S1 also DC or potential free contacts If current is detected on at least one input the current sensor turns on or a contact closes the built in relay turns on If the current is turned off in all monitored circuits or if it falls below the set response threshold for detection with STWA1 H the output relay disconnects with the set delay An adjustable res...

Page 4: ...STW12V 12470 0710 00 Page 4 8 www ziehl de 5 Connection diagram Note When using STWA1H current transducers instead of STWA1 ensure correct wiring of the connections o STWA1H 1 12 o STWA1H ...

Page 5: ...f a current greater than the set value I flows through at least one of up to 12 monitored wires the relay activates yellow LED is on If the value falls approx 0 3 A below the inrush current yellow LED flashes the relay switches off again after the delay time set with the t adjustment knob has elapsed yellow LED goes out Failure free and safe operation of the equipment requires that it is properly ...

Page 6: ...urrent I does not work Tipps Response threshold is too high current flow in the wire is too low wires pass through the current transducer STWA1 H several times Response threshold is too low base load current must be extinguished connect a resistor 0 25 W 200 V before the corresponding input of STW to the current transducer STWA1 H 750 Ω resistor increase by a factor 2 330 Ω resistor increase by a ...

Page 7: ...on and icing Measuring inputs max 30 V max 3mA Connection current transducer STWA1 or STWA1H current sensor S1 see Us from STW12V potential free contacts total connection of the listed sensors Switching point limit value Limit value I current adjustable via STWA1 AC 0 5 5 A Tolerance 20 Current sensor S1 or not adjustable contact not adjustable Switch off delay adjustable 1 60 s Reception delay ap...

Page 8: ...t panel 6 Position downward 7 Snap on wall mount with screws Screw hole Ø 4 2 mm for fixing to the wall with screws Ø 4 2 mm 11 Disposal Disposal should be carried out properly and in an environmentally friendly manner in accordance with legal provisions ZIEHL is registered with the EAR Foundation under WEEE no DE 49 698 543 70 Option 5 7 6 58 48 16 5 4 1 2 3 61 8 45 3 90 116 98 ...

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