Quadro S-M-Flex

Flashing lights 13 Joules

Proven tunnel safety light; conforms to the guideline of the Swiss Federal Highways Authority: ‘Signaling systems of safety devices in tunnels’

  • synchronised flashing of up to 10 beacons in series with no additional controller
  • initial current limited to below 1 A
  • integrated function monitoring with fault message contact
  • variable brightness and flash frequency settings on-site on the device
  • use of double-pole terminals for the simple connection of parallel operated lights
  • 3D-Coverage - Outstanding coverage area. Achieve maximum effectivness with signaling devices from Pfannenberg. Find out more.

protection system

protection system

impact-proof housing

operating temperatur

synchronous operation

inrush current limitation

EurAsian Conformity


Pfannenberg 3D-Coverage

Size of visual coverage (A x B x C in meter)

Indicate Warning Alert
To display other values click the CLEAR SELECTION field. Now select the desired lens colors or alarm levels.

The figures shown are mainly for a quick orientation. For an individual and precise interpretation please use Pfannenberg Sizing Software (PSS).

Technical data

Electrical dataQuadro S-M-Flex
Rated voltage230 V AC115 V AC
Rated frequency50/60 Hz50/60 Hz
Operating range195–253 V95–127 V
Nominal current consumption250 mA (1 Hz / 13 J)350 mA (1 Hz / 13 J)
Initial current limited to<1 A / 10 ms
Alarm output230 V / 80 mA


Description Type Size
Conformity_CE_085506681_Rev13_Mar24_Quadro_F12_05_S.pdf pdf 46 KB Download
Conformity_UKCA_085507037_Rev02_Mar24_Quadro_F12_05_S.pdf pdf 32 KB Download
Manual QUADRO S pdf 510 KB Download
Description Language Type Size Download

Product Sheet

  • English
pdf 440 KB Download

3D-Model (IGS)

  • English
zip 180 KB Download

3D-Model (SAT)

  • English
zip 130 KB Download

3D-Model (STEP)

  • English
zip 140 KB Download


  • English
zip 640 KB Download

Declaration of Conformity

  • German
  • English
pdf 330 KB Download

EAC Certificate

  • Russian
pdf 300 KB Download


Ordering details

Ordering detailsQuadro S-M-Flex
Lens colourRated voltage230 V AC
clearArticle number21042101179
yellowArticle number21042103179
amberArticle number21042104179
redArticle number21042105179

Choose a lens in one of the following colours: clear, white, yellow, amber, red, green, blue.

Further technical details can be found in the Download section on this page.

To make the order process easy for you and to ensure a secure delivery, please see the information on the final article numbers.

Article numbers for products with further lens colours and voltages on request.

Product Benefits

  1. 1

    Positive enclosure sealing

    Leak path risk is eliminated since the lens fastening screws are located outside the sealing gasket area.

  2. 2

    Impact resistant housing and lens

    Achieves IK08 impact rating to endure harsh environments.

  3. 3

    IP 66/67 enclosure rating

    Suitable for use in all weather conditions due to the provided protection against driving rain, snow, ice, and dust. Withstands hose-directed spray during wash-down requirements.

  4. 4

    –40 °C to +55 °C temperature range

    Suitable for use in thermal conditions encountered in factories and all corners of the worlds.

  5. 5

    Inrush current regulator

    Provides electrical protection for control devices such as switching components and relays.

  6. 6

    Flexible wiring schemes

    Multiple cable and conduit entries provide ease of installation in any orientation.

  7. 7

    Redundant electrical contacts

    Provides ease of wiring and daisychain connection for multi-unit installations.

  8. 8

    High quality, long life components

    Provides the utmost in reliability and longevity.