dMS Explosion-proof multi-tone alarm sounder
This product has the following explosion protection:
II 2 G Ex d e IIB + H2 T6 Gb
II 2 D Ex tb IIIC T85° Db
-50 °C ≤ Ta ≤ +60 °C
Zone 1, 2, 21, 22
Contact sales

dMS Explosion-proof multi-tone alarm sounder

  • Loud, explosion-proof electronic multi-tone alarm sounder
  • Certified for gas and dust hazardous areas of zone 1, 2, 21, 22
  • Flame-proof enclosure "d"
  • Terminal connection chamber "increased safety e"
  • 32 signal tones, 2 tones can be switched externally
  • Housing made of copper-free seawater-resistant aluminium, black plastic sound protection hood
  • Degree of protection IP 66
  • Maximum sound pressure 115 dB (A) in 1 m
  • Volume can be reduced in 3 steps of 10 dB each
  • Protection class I, wide voltage range

Especially suitable for

Technical data

Housingcopper-free, seawater-resistant aluminium yellow/blue, sound protection hood Polyamide black
Type of mountingvertical, Sound outlet opening at bottom
Cable entryM20 x 1.5 (5.5–13 mm)
Connection technologybis 2,5 mm²
Power consumptionmax. 14 W
Tone32 Tones, 2 Tones can be switched externally, see tone table
Volume115 dB (can be adjusted with DIP switch)
Duty cycle100 %
Operating temperature-50 °C / +60 °C
Degree of protectionIP66
ApprovalPTB 14 ATEX 1005
Insulation classI
Weight2,8 kg


TypeType of accessoryOrder no.
Mounting plate including explosion-proof junction box - MPLMPLMounting plate including explosion-proof junction box335500000Save to watchlist