Werma - flexSQUARE

Your benefits

The compact 853 LED beacon is particularly versatile. With an IP67 protection rating, it is suitable for all indoor and outdoor applications, even in harsh environmental conditions.

  • Powerful high-output, forward-directed light effect
  • Clearly visible, also from the side
  • Easy mounting and electrical installation thanks to the elastic, self-sealing, membranes or optional M20 cable gland for mounting on different sides
  • Many combinations possible (traffic lights, for example)
  • Where space is restricted: Multi-coloured version available, with up to seven colours

153 multi-tone siren:

  • Loud audible signal to complement 853 beacon or as a stand-alone product
  • Eight signal tones to choose from and a signal escalation option using three different externally triggerable tones


  • Signal escalation possible with LED permanent light, LED double flash and EVS light in different colours
  • Wide range of light effects and voltage options (12V, 24V, 48V and 115-230V)
  • With the multi-coloured version, the three basic colours red, yellow and green can be activated with just two PLC outputs. With a third output, a further four colours are available

153 multi-tone siren:

  • The sound output can be adjusted remotely


Signalling of faults

  • In lift and hoist systems (48 V)
  • In building technology

Installation options

  • Wall mounting
  • Base mounting


Dimensions (LxHxW) : 85 x 85 x 72 mm

Housing                     : PP-GF, black

Lens                           : PC, transparent

Connection                : Screw terminal 0.5-1.5 mm2

CAGE CLAMP 0.5 to 1.5 mm2                                             (Multicolors, RGY)

Fixing                          : Wall, base and ceilling mounting

Color                           : Red, yellow, green, white, blue,                                            violet, turquoise (multi color)

Equipment                   : Elastic self-sealing membranes                                        for cable entry without tools

Eight integrated M20 threads, no                                        nuts required.

Optional use of a cable gland,                                            thread length of a cable gland =<                                      9 mm (accessory)

Assembly                    : Incl. snap-on fixing bracket                                                 (optional use)

Life duration               : Up to 50.000 hours



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