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MEDC DB3B – Ex d GRP sounder up to 122 dB(A)
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MEDC

MEDC DB3B – Ex d GRP sounder up to 122 dB(A)

DB3B · DB3BWN · DB3BUL · DB3BUWN …

MEDC DB3B Ex d / Ex de GRP sounder up to 122 dB(A), 28 tones, EN 54-3, SIL 1, ATEX, IECEx and UL.

ATEX
IECEx
UL
CE
Description
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DB3B is the most powerful MEDC GRP sounder in the range, up to 122 dB(A), with short or long flare, certified to EN 54-3 for fire alarm.

Key features

  • Ex db (eb) IIC T4/T5/T6 Gb
  • Up to 122 dB at 1 m, 28 tones
  • EN 54-3, SIL 1, UL
  • IP66/IP67, -55 °C to +85 °C

In the Variants and codes section you will find the part numbers from the current MEDC configurator (July 2026): filter model and base version among 164 combinations, then complete the code with lens, entries, options and finish and request a quote. For special configurations or availability, contact us.

Zone 1
Explosive gas atmosphere likely to occur in normal operation
Zone 2
Explosive gas atmosphere unlikely to occur and, if it does, only for a short period
Zone 21
Explosive dust atmosphere likely to occur in normal operation
Zone 22
Explosive dust atmosphere unlikely to occur and, if it does, only for a short period
Class I Division 1
Area where flammable gases or vapours are present under normal operating conditions
# Certifications ATEX: Baseefa13ATEX0229X/0231X/0232X/0233X · IECEx BAS 13.0112X-0115X UL: E203310 # Electrical Power supply: DC 12-48 V # Environmental Ingress protection: IP66 & IP67
{"v":1,"marca":"MEDC","colonne":[{"nome":"Model","valori":["DB3B","DB3BWN","DB3BUL","DB3BUWN","DB3BAU","DB3BJU","DB3B54D","DB3B54WN"]},{"nome":"Certification","valori":["ATEX","IECEx","INMETRO","CCC","See model"]},{"nome":"Ex atmosphere","valori":["Ex II 2 G, IIC T4/T5/T6 Gb. IP66/67","Ex II 2 GD, IIC T4/T5/T6 Gb, Ex tb IIIC…","—","Class I, Division 2. Groups A-D. Class I, Zone 1, Ex d…","Ex II 2 G, IIC T4/T5/T6 Gb. Class I, Division 2. Groups…"]},{"nome":"Voltage","valori":["12-48Vdc","110VAC","120VAC","220VAC","230VAC","240VAC","254VAC"]}],"righe":[["DB3BDG048",0,0,0,0,54],["DB3BDG110",0,0,0,1,54],["DB3BDG120",0,0,0,2,54],["DB3BDG220",0,0,0,3,54],["DB3BDG230",0,0,0,4,54],["DB3BDG240",0,0,0,5,54],["DB3BDG254",0,0,0,6,54],["DB3BDGD048",0,0,1,0,54],["DB3BDGD110",0,0,1,1,54],["DB3BDGD120",0,0,1,2,54],["DB3BDGD220",0,0,1,3,54],["DB3BDGD230",0,0,1,4,54],["DB3BDGD240",0,0,1,5,54],["DB3BDGD254",0,0,1,6,54],["DB3BDJG048",0,1,0,0,54],["DB3BDJG110",0,1,0,1,54],["DB3BDJG120",0,1,0,2,54],["DB3BDJG220",0,1,0,3,54],["DB3BDJG230",0,1,0,4,54],["DB3BDJG240",0,1,0,5,54],["DB3BDJG254",0,1,0,6,54],["DB3BDJGD048",0,1,1,0,54],["DB3BDJGD110",0,1,1,1,54],["DB3BDJGD120",0,1,1,2,54],["DB3BDJGD220",0,1,1,3,54],["DB3BDJGD230",0,1,1,4,54],["DB3BDJGD240",0,1,1,5,54],["DB3BDJGD254",0,1,1,6,54],["DB3BDMG048",0,2,0,0,54],["DB3BDMG110",0,2,0,1,54],["DB3BDMG120",0,2,0,2,54],["DB3BDMG220",0,2,0,3,54],["DB3BDMG230",0,2,0,4,54],["DB3BDMG240",0,2,0,5,54],["DB3BDMG254",0,2,0,6,54],["DB3BDMGD048",0,2,1,0,54],["DB3BDMGD110",0,2,1,1,54],["DB3BDMGD120",0,2,1,2,54],["DB3BDMGD220",0,2,1,3,54],["DB3BDMGD230",0,2,1,4,54],["DB3BDMGD240",0,2,1,5,54],["DB3BDMGD254",0,2,1,6,54],["DB3BEG048",0,0,0,0,54],["DB3BEG110",0,0,0,1,54],["DB3BEG120",0,0,0,2,54],["DB3BEG220",0,0,0,3,54],["DB3BEG230",0,0,0,4,54],["DB3BEG240",0,0,0,5,54],["DB3BEG254",0,0,0,6,54],["DB3BEGD048",0,0,1,0,54],["DB3BEGD110",0,0,1,1,54],["DB3BEGD120",0,0,1,2,54],["DB3BEGD220",0,0,1,3,54],["DB3BEGD230",0,0,1,4,54],["DB3BEGD240",0,0,1,5,54],["DB3BEGD254",0,0,1,6,54],["DB3BEJG048",0,1,0,0,54],["DB3BEJG110",0,1,0,1,54],["DB3BEJG120",0,1,0,2,54],["DB3BEJG220",0,1,0,3,54],["DB3BEJG230",0,1,0,4,54],["DB3BEJG240",0,1,0,5,54],["DB3BEJG254",0,1,0,6,54],["DB3BEJGD048",0,1,1,0,54],["DB3BEJGD110",0,1,1,1,54],["DB3BEJGD120",0,1,1,2,54],["DB3BEJGD220",0,1,1,3,54],["DB3BEJGD230",0,1,1,4,54],["DB3BEJGD240",0,1,1,5,54],["DB3BEJGD254",0,1,1,6,54],["DB3BEMG048",0,2,0,0,54],["DB3BEMG110",0,2,0,1,54],["DB3BEMG120",0,2,0,2,54],["DB3BEMG220",0,2,0,3,54],["DB3BEMG230",0,2,0,4,54],["DB3BEMG240",0,2,0,5,54],["DB3BEMG254",0,2,0,6,54],["DB3BEMGD048",0,2,1,0,54],["DB3BEMGD110",0,2,1,1,54],["DB3BEMGD120",0,2,1,2,54],["DB3BEMGD220",0,2,1,3,54],["DB3BEMGD230",0,2,1,4,54],["DB3BEMGD240",0,2,1,5,54],["DB3BEMGD254",0,2,1,6,54],["DB3BQG048",0,3,0,0,54],["DB3BQG110",0,3,0,1,54],["DB3BQG120",0,3,0,2,54],["DB3BQG220",0,3,0,3,54],["DB3BQG230",0,3,0,4,54],["DB3BQG240",0,3,0,5,54],["DB3BQG254",0,3,0,6,54],["DB3BQGD048",0,3,1,0,54],["DB3BQGD110",0,3,1,1,54],["DB3BQGD120",0,3,1,2,54],["DB3BQGD220",0,3,1,3,54],["DB3BQGD230",0,3,1,4,54],["DB3BQGD240",0,3,1,5,54],["DB3BQGD254",0,3,1,6,54],["DB3BQFG048",0,3,0,0,54],["DB3BQFG110",0,3,0,1,54],["DB3BQFG120",0,3,0,2,54],["DB3BQFG220",0,3,0,3,54],["DB3BQFG230",0,3,0,4,54],["DB3BQFG240",0,3,0,5,54],["DB3BQFG254",0,3,0,6,54],["DB3BQFGD048",0,3,1,0,54],["DB3BQFGD110",0,3,1,1,54],["DB3BQFGD120",0,3,1,2,54],["DB3BQFGD220",0,3,1,3,54],["DB3BQFGD230",0,3,1,4,54],["DB3BQFGD240",0,3,1,5,54],["DB3BQFGD254",0,3,1,6,54],["DB3BWN048",1,4,2,0,54],["DB3BWN110",1,4,2,1,54],["DB3BWN120",1,4,2,2,54],["DB3BWN220",1,4,2,3,54],["DB3BWN230",1,4,2,4,54],["DB3BWN240",1,4,2,5,54],["DB3BWN254",1,4,2,6,54],["DB3BULG048",2,4,3,0,54],["DB3BULG110",2,4,3,1,54],["DB3BULG120",2,4,3,2,54],["DB3BULG220",2,4,3,3,54],["DB3BULG230",2,4,3,4,54],["DB3BULG240",2,4,3,5,54],["DB3BULGD048",2,4,3,0,54],["DB3BULGD110",2,4,3,1,54],["DB3BULGD120",2,4,3,2,54],["DB3BULGD220",2,4,3,3,54],["DB3BULGD230",2,4,3,4,54],["DB3BULGD240",2,4,3,5,54],["DB3BUWN048",3,4,2,0,54],["DB3BUWN110",3,4,2,1,54],["DB3BUWN120",3,4,2,2,54],["DB3BUWN220",3,4,2,3,54],["DB3BUWN230",3,4,2,4,54],["DB3BUWN240",3,4,2,5,54],["DB3BUWN254",3,4,2,6,54],["DB3BAUG048",4,4,4,0,54],["DB3BAUG110",4,4,4,1,54],["DB3BAUG120",4,4,4,2,54],["DB3BAUG220",4,4,4,3,54],["DB3BAUG230",4,4,4,4,54],["DB3BAUG240",4,4,4,5,54],["DB3BAUGD048",4,4,1,0,54],["DB3BAUGD110",4,4,1,1,54],["DB3BAUGD120",4,4,1,2,54],["DB3BAUGD220",4,4,1,3,54],["DB3BAUGD230",4,4,1,4,54],["DB3BAUGD240",4,4,1,5,54],["DB3BJUG048",5,4,4,0,54],["DB3BJUG110",5,4,4,1,54],["DB3BJUG120",5,4,4,2,54],["DB3BJUG220",5,4,4,3,54],["DB3BJUG230",5,4,4,4,54],["DB3BJUG240",5,4,4,5,54],["DB3BJUGD048",5,4,1,0,54],["DB3BJUGD110",5,4,1,1,54],["DB3BJUGD120",5,4,1,2,54],["DB3BJUGD220",5,4,1,3,54],["DB3BJUGD230",5,4,1,4,54],["DB3BJUGD240",5,4,1,5,54],["DB3B54DGD048",6,4,1,0,54],["DB3B54WN048",7,4,2,0,54]],"suffissiTitolo":"Complete 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(R)","R",{"0":[6,7]},[]],["Short flare (S)","S",{"0":[6,7]},[]],["Custom tones (not std 28) (specify on order) (T)","T",{"0":[6,7]},[]],["Swivel bracket (B)","B",{"0":[0,2,4,5,6,7]},[]]],"obbl":true,"certo":true},{"nome":"Colour / finish","std":"Choose…","valori":[["Blue (B)","B",{},[]],["Grey (G)","G",{},[]],["Natural black (N)","N",{},[]],["Natural red (R)","R",{},[]],["Special paint finish (specify on order) (S)","S",{},[]],["Yellow (Y)","Y",{},[]]],"obbl":true,"certo":true}],"opzioniTitolo":"How to read the code","opzioni":[["Complete code","Select all the entries in “Complete the code”: the part number is built automatically in the order of the MEDC configurator."],["Multiple choices","Where MEDC allows several accessories or labels in the same position (e.g. LED + flap), the respective codes are appended: state them in your quote request."],["To be specified","Entries marked “specify on order” (resistors, custom labels, special paint finishes) require details at the time of ordering."]],"sprite":{"url":"https://cdn.prod.website-files.com/6aa55eca30c5bd4a1e486a4c/6ada3d0b0f5b7c4a3452efd6_fhf-medc-imcos-varianti-sprite.jpg","colonne":10,"lato":200}}
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