Data sheet


The dSLB 20 LED beacon can be used for warning, indicating and signalling purposes in areas with explosive atmospheres.

With its 4 modes (blinking, flashing, continuous or rotating), this signal lamp is designed for continuous operation.

The dSLB 20 LED signal light is activated by switching on the power supply and is available with various rated voltages.

The sturdy housing is suitable for both indoor and outdoor installation.

The Ex-signal light consists of a light grade aluminium alloy, flame-proof housing, and a lens manufactured from borosilicate glass.

  • 4 different modes: continuous, strobe, blinking or rotating

  • Compact construction

  • Versatile

  • Protection degree IP 66 / 67

  • Explosion protection class: II 2D Ex tb IIIC IP66 T95ºC, T80ºC – Db II 2G Ex d e IIC T5, T6 – Gb

Certified temp:

Operation: -55ºC to +55ºC.


Aluminium · Surface spray painted or powder, colour: yellow/blue with hard glass dome and protective, stain proof steel basket.


Approx. 2 kg

IP rating:

IP 66 / 67 according to IEC 60529.

Operating modes:

Continuous operation for all operating modes.


Blinking light 2 Hz.

Strobe light 7x on (55 ms on) and off (19 ms) then

1 sec. break.

Rotating light 1 Approx. 44 rotations/min 1 segment on

Rotating light 2 Approx. 33 rotations/min 2 segments on

Operating voltage:

DC voltage 24 VDC ±20 %.

Alternating current 85 – 265 VAC.