Werma - EX LED Signal Tower

Your benefits

The Ex Signal Tower is designed for use in explosive gas and vapour atmospheres (zone 1 and 2). No additional zener barrier is required.

  • Light and compact Ex signal tower
  • Many years of proven use in Ex-applications


  • Combination of encapsulation “m” and intrinsic safety “ib” with connection area “e”
  • For Gas applications : Zone 1 and 2
  • For dust applications : Zone 21 and 22


Fault signalling

  • in the processing and storage of highly flammable substances

Installation options :

  • wall mounting


Dimensions of the Zener Barrier (LxHxW) : 76x110x75 mm

Dimensions total :

2 tier (LxHxW) : 76x229x75 mm

3 tier (LxHxW) : 76x263x75 mm

Housing :  Polyamide, black

Signal tower : PC

Connection : Screw terminal max 2.5 mm2 incl. approve cable gland ‘e’

Explosion protection: Ex II 2G Ex e mb [ib] IIC T6 Gb

Ex II 2D Ex [ib] op is tb IIIC T80C Db

Approval: PTB 06 ATEX 2005

Voltage : 24 V DC

Current consumption : < 90mA

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