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MEDC DB3B Sounder Range

Eaton’s Crouse-Hinds series MEDC DB3B is a high-power explosion proof sounder which is provided with versatile control options allowing compatibility with a wide range of control methods and PLCs.

HIGHLY CERTIFIED – For use in potentially explosive atmospheres and harsh environments

WIDE TEMPERATURE RANGE – Certified temperature range: –55°C to +85°C

FLEXIBLE – 28 tones, user selectable,can be programmed to meet specification

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Eaton’s Crouse-Hinds series MEDC DB3B is a high-power explosion proof sounder which is provided with versatile control options allowing compatibility with a wide range of control methods and PLCs.

Certified for use from -55°C to +85°C, the DB3B can withstand the harshest conditions. With an Ex enclosure manufactured from GRP and a rugged thermoplastic flare, it is lightweight and corrosion free without compromising on durability.

Capable of producing 122dB @ 1m, the DB3B features an integral volume control, 28 user selectable tones and custom tones programmed to customer specification.

The standard DC unit provides 3 tone stages, each stage has 28 tones available which can be independently selected.

Design features

  • Certified temperature: –67°F to 185°F, –55°C to +85°C
  • IP66 & IP67/NEMA 4X & 6
  • Optional Ex e terminal chamber
  • Up to 122dB output @ 1m
  • Integral volume control
  • 28 tones, user selectable
  • 3 stage unit remotely switchable
  • Tones can be programmed to customer’s specification
  • DC supply voltage between 12V and 48V
  • End of line resistor option
  • Sounder & beacon combination units available, for further details contact us using the form below
  • Ex enclosure – glass reinforced polyester
  • Flare – high impact thermoplastic polyester
  • Stainless Steel mounting bracket and cover screws
  • Mounting bracket has ratchet facility as standard
  • Optional swivel bracket available

Standard materials

  • Ex enclosure: flame retardant, UV stable, glass reinforced polyester (GRP)
  • Flare – flame retardant, high impact, UV stable, thermoplastic polyester (UV stability tested to ISO 4892 part 3)
  • Bracket, fixings and captive cover screws: 316 stainless steel

Certifications and compliances

ATEX Ex d Gas

  • Cert. no. Baseefa13ATEX0229X. Certified to: EN60079-0,1
    Ex II 2G, Ex db IIC T4/T5/T6 Gb

ATEX Ex d Gas & Dust

  • Cert. no. Baseefa13ATEX0231X. Certified to: EN60079-0,1,31
    Ex II 2GD, Ex db IIC T4/T5/T6 Gb,
  • Ex tb IIIC T135°C/T100°C/T85°C Db,
  • IP66 (IP65 short flare)

ATEX Ex de Ga

  • Cert. no. Baseefa13ATEX0232X. Certified to: EN60079-0,1,7
  • Ex II 2G, Ex db eb IIC T4/T5/T6 Gb

ATEX Ex de Gas & Dust

  • Cert. no. Baseefa13ATEX0233X. Certified to: EN60079-0,1,7,31
  • Ex II 2GD, Ex db eb IIC T4/T5/T6 Gb, Ex tb IIIC T135°C/T100°C/T85°C Db,
  • IP66 (IP65 short flare)

IECEx Ex d Gas

  • Cert. no. IECEx BAS 13.0112X. Certified to: IEC60079-0,1
  • Ex db IIC T4/T5/T6 Gb

IECEx Ex d Gas & Dust

  • Cert. no. IECEx BAS 13.0113X. Certified to: IEC60079-0,1,31
  • Ex db IIC T4/T5/T6 Gb, Ex tb IIIC T135°C/T100°C/T85°C Db, IP66 (IP65 short flare)

IECEx Ex de Gas

  • Cert. no. IECEx BAS 13.0114X. Certified to: IEC60079-0,1,7
  • Ex db eb IIC T4/T5/T6 Gb

IECEx Ex de Gas & Dust

  • Cert. no. IECEx BAS 13.0115X. Certified to: EN60079-0,1,7,31
  • Ex db eb IIC T4/T5/T6 Gb, Ex tb IIIC T135°C/T100°C/T85°C Db, IP66 (IP65 short flare)

UL Haz Locs

  • UL certified for USA and Canada, fire alarm or general use, listing no. E203310
  • Class I, Div 2. Groups A-D. Class I, Zone 1, Ex d IIC / AEx d IIC Gb
  • Class II, Div 2. Groups F&G.Zone 21 AEx tb IIIC
  • Class III Div 1

UL Ord Locs

  • UL certified for USA and Canada, fire alarm or general use, listing no. S8116

TR CU Ex d Gas

  • 1Ex d IIC T4/T5/T6 Gb

TR CU Ex d Gas & Dust

  • 1Ex d IIC T4/T5/T6 Gb, Ex tb IIIC T135°C/T100°C/T85°C Db

TR CU Ex de Gas

  • 1Ex de IIC T4/T5/T6 Gb

TR CU Ex de Gas & Dust

  • 1Ex de IIC T4/T5/T6 Gb, Ex tb IIIC T135°C/T100°C/T85°C Db

Russian Fire Approval

  • All TR CU certified units are Russian Fire Approved

CQST Ex d Gas

  • Ex d IIC T4/T5/T6 Gb

CQST Ex d Gas & Dust

  • Ex d IIC T4/T5/T6 Gb, Ex tD A21 IP6X T135°C/T100°C/T85°C

CCCF  

  • Chinese Compulsory Certification for Fire systems (CCCF) Ex d only

INMETRO Ex d Gas

  • Ex db IIC T4/T5/T6 Gb

INMETRO Ex d Gas and Dust

  • Ex db IIC T4/T5/T6 Gb, Ex tb IIC T135°C/T100°C/T85°C Db, IP66 (IP65 short flare)

INMETRO Ex de Gas

  • Ex db eb IIC T4/T5/T6 Gb

INMETRO Ex de Gas and Dust

  • Ex db eb IIC T4/T5/T6 Gb, Ex tb IIIC T135°C/T100C°/T85C° IP66 (IP65 short flare)

SIL

  • SIL 1 certified to IEC61508. Cert number 20151119-4786827453
  • EN54-3 Fire Alarm Device – Sounder (11-57.6V DC Absolute)

MEDC DB3B Sounder Range Datasheet

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