4-channel fixed transmitter - SHT-12 FS

4-channel fixed transmitter - SHT-12 FS

The SHT-12 FS fixed transmitter transmits the switch signals of relay contacts, buttons and switches over a long range. This saves time and money on installation of control cables. It has 4 inputs for connection of floating contacts. Key or switch signal transmission mode can be set separately for each of the 4 inputs.
128,00 €
152,32 € Brutto
incl. 19% VAT , plus shipping costs
From Unit price
Unit price
10 121,60 € 144,70 €*
25 115,20 € 137,09 €*
50 108,80 € 129,47 €*
100 102,40 € 121,86 €*
  • Available now
  • Delivery time: 3 - 5 Workdays (DE - int. shipments may differ)
  • Order directly from the manufacturer
  • Made & designed in Germany
  • Over 30 years of experience

For purchases from Non-EU countries, please contact our customer service directly


With the SHT-12 FS fixed transmitter, switch signals from relay contacts, keys or switches are transmitted with no installation costs for control cables. It has 4 inputs for floating contacts. Key or switch signal transmission mode can be set separately for each of the 4 inputs.

In the case of key signal transmission, the transmission time corresponds to the contact time, the transmission path remains occupied as long as the signal is being sent. In the case of switch signal transmission, a wireless signal is only transmitted if there is a change of status, with the result that the transmission path is not blocked continuously (SHR-12 K1 and SHR-12 L4 can only interpret closing of the contact).

A blue LED indicates the transmission mode. It not only represents transmitted wireless signals but also provides information about the quality of the wireless communication and transmitter power supply. Depending on the circuitry in the wireless receiver, the red LED indicates either the status of the receiver power supply or receipt of confirmation from the receiver.

The transmitters in the SH-12 wireless series have extremely low interference because of their special transmission properties. With wireless transmission that is immune to interference and offers extremely short response times, ranges over 1000 m can be achieved. For strong, narrow-band interference or use of several parallel wireless systems, the working frequency can be set to meet individual needs. The transmitters are given a serial number in the factory. This provides greater security and turns every transmitter into a unique device that can be distinguished easily.

By fitting an external or remote antenna, the long range of the fixed transmitter can be extended even further. With our BNC connection option (Artikelnr.: 00069.05) (item no.: 00069.05), we will fit a BNC connection in the factory in accordance with the housing protection class. If installation is to be carried out after delivery, the BNC connection kit (item no.: 00069.02) can also be used for self-assembly. It is then possible simply to plug in one of the external antennas from our range of accessories. The BNC connection set (Artikelnr.:00069.01) (item no.: 00069.01) also allows the antenna to be set up remotely in the optimal position.

Notice: This transmitter replaces the previous 3-channel fixed transmitter TX-123 B, Item number.: 01284.32

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development and configuration

Technical specifications

Switch / push button inputs: 4
Order reference: 4-channel fixed transmitter SHT-12 FS
Temperature range: -20°C to +65°C
Item number: 01244.00
Power supply: 4,5V - 24V DC / 12V AC
Housing dimensions: approx. 130 x 85 x 37 mm
Antenna: integrated antenna
Frequency: 433,62 or 434,22 MHz
Current consumption: Stand-By 0,1 mA / regular transmit mode approx. 8,5 mA (avg.)
Housing colour: Light grey
Protection type: IP54
Signaling: Visual with 2 LEDs
EAR Registrierungsnummer: WEEE-Reg.-Nr. DE 31113729


Manual fixed transmitter - SHT-12 FS

Additional functions and settings

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