Medc Db3bwn0481bnnnnn | Horns | Weatherproof | Gasdetectorsusa
Gas Leak and Flame Detectors, Analyzers, Alarm Devices and Calibration Gas

MEDC   DB3BWN0481BNNNNN

SKU# (4230)



MEDC DB3BWN0481BNNNNN

ALARM SIGNAL DEVICES / WEATHERPROOF
HORNS

$1,179.96  [9 Weeks]
  • DESCRIPTION
  • FEATURES
  • SPECIFICATIONS
  • LITERATURE
MEDC DB3B Sounder (up to 125dB(A)) with 28 output tones. Weatherproof only version. IP66 & IP67. NEMA 4X & 6. Designed to be used on potentially explosive gas and dust atmospheres. -55C to +70C.

DB3BWN0481BNNNNN   
1,179.96

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  [  9 Weeks  ]
251 Variants of base SKU / 30 Shown below

The DB3B is a high power explosion proof sounder, introduced as a replacement for the current DB3 with improved functionality and performance.

Certified for use in a wide range of temperatures from -55oC to +70oC the Ex enclosure is manufactured from GRP with a rugged thermoplastic flare providing a corrosion free and aesthetically pleasing product.

Capable of producing 125dB @ 1m and with a range of pre-recorded tones, the DB3B includes an integral volume control which is ideal when a lower output is required.

The unit is provided with versatile control options allowing compatibility with a wide range of control methods and PLCs. The standard DC unit provides 3 tone stages, each stage has 28 tones available which can be independently selected. The unit can be controlled by reversing the polarity of the power supply (2 stage) or providing a common negative and switching between multiple positive supplies. The DB3B proves its versatility by additionally being able to work with a common positive supply and switching the negatives. The tone stages of the DB3B can also be controlled via voltage free contacts provided by a control panel.

The flexibility of the range continues with a wide range of supply voltages.

The short flare option is a worthy addition to the range offering a high SPL in a compact unit.

FEATURES

  • Ex d / Ex de IIC/IIIC T4/T5/T6.
  • ATEX certified.
  • IECEx certified.
  • UL listed for USA and Canada
    • 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
    • Fire alarm and general use
  • CUTR Certified.
  • CQST Certified.
  • Brazilian (Inmetro) certified.
  • Certified temperature -55oC to +70oC.*
  • IP66 & IP67/NEMA 4X & 6.
  • Optional Ex e terminal chamber.
  • Up to 125dB 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 MEDC.
  • 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.­

Certification and Specification
ATEX Ex d Gas: Cert. no. Baseefa13ATEX0229X. Certified to: EN60079-0,1.
Ex II 2G, Ex d IIC T4/T5/T6 Gb
ATEX Ex d Gas & Dust: Cert. no. Baseefa13ATEX0231X. Certified to: EN60079-0,1,31.
Ex II 2GD, Ex d IIC T4/T5/T6 Gb, Ex tb IIIC T135°C/T100°C/T85°C Db, IP66.
ATEX Ex de Gas: Cert. no. Baseefa13ATEX0232X. Certified to: EN60079-0,1,7.
Ex II 2G, Ex de IIC T4/T5/T6 Gb.
ATEX Ex de Gas & Dust: Cert. no. Baseefa13ATEX0233X. Certified to: EN60079-0,1,7,31.
Ex II 2GD, Ex de IIC T4/T5/T6 Gb, Ex tb IIIC T135°C/T100°C/T85°C Db, IP66.
IECEx Ex d Gas: Cert. no. IECEx BAS 13.0112X. Certified to: IEC60079-0,1.
Ex d IIC T4/T5/T6 Gb.
IECEx Ex d Gas & Dust: Cert. no. IECEx BAS 13.0113X. Certified to: IEC60079-0,1,31.
Ex d IIC T4/T5/T6 Gb, Ex tb IIIC T135°C/T100°C/T85°C Db, IP66.
IECEx Ex de Gas: Cert. no. IECEx BAS 13.0114X. Certified to: IEC60079-0,1,7.
Ex de IIC T4/T5/T6 Gb.
IECEx Ex de Gas & Dust: Cert. no. IECEx BAS 13.0115X. Certified to: EN60079-0,1,7,31.
Ex de IIC T4/T5/T6 Gb, Ex tb IIIC T135°C/T100°C/T85°C Db, IP66.
UL Haz Locs: UL Listed 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 Listed for USA and Canada, fire alarm or general use, listing no. S8116.
CUTR Ex d Gas: 1Ex d IIC T4/T5/T6 Gb.
CUTR Ex d Gas & Dust: 1Ex d IIC T4/T5/T6 Gb, Ex tb IIIC T135°C/T100°C/T85°C Db.
CUTR Ex de Gas: 1Ex de IIC T4/T5/T6 Gb.
CUTR 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 CUTR 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 tb IIIC T135°C/T100°C/T85°C Db.
Inmetro Ex d Gas: Ex d IIC T4/T5/T6 Gb.
Inmetro Ex d Gas & Dust: Ex d IIC T4/T5/T6 Gb, Ex tb IIIC T135°C/T100°C/T85°C Db, IP66.
Inmetro Ex de Gas: Ex de IIC T4/T5/T6 Gb.
Inmetro Ex de Gas & Dust: Ex de IIC T4/T5/T6 Gb, Ex tb IIIC T135°C/T100°C/T85°C Db IP66.
Material Ex enclosure - Flame retardant, UV stable, Glass reinforced polyester.
Flare - Flame retardant, high impact, UV stable, thermoplastic polyester. (UV stability tested to ISO 4892 part 3).
Hardware - Bracket, fixings and captive cover screws in 316 stainless steel.
Fire retardancy: Body - Glass reinforced polyester. V0 flammability rating.
Outer Flare - Thermoplastic Polyester. V0 flammability rating.
Finish: Body - natural black. Flare - natural black, natural red or painted as specified. (Black short flare painted black).
Voltage: DC: 12 - 48V AC: Up to 254V. If using an EOL resistor with a value between 700Ω and 2KΩ the maximum voltage must be limited to 28.8Vdc, if using an EOL resistor with a value between 470Ω and 700Ω the maximum voltage should be limited to 26Vdc.
Weight: Ex d/UL - 4.6kg, Ex de - 5.4kg. Based on long flare DC unit.
Ingress Protection: IP66 & IP67, NEMA 4X & 6. (IPx7 & NEMA 6 on terminal chamber only).
Earth Continuity: Optional for Ex de version. Not available on Ex d unit.
Entries: Up to 2 x M20 or 1 / 2 ” NPT. Blanking plug available.
Terminals: AC: 7 x 2.5mm2 (4 for loop in/out power, 3 for tone selection) (Standard unit only).
DC: 8 x 2.5mm2 (8 for loop in­­/out power and tone selection) (Standard unit only).
Mounting arrangement: Stainless steel bracket with ratchet facility, optional swivel bracket available.
Labels: Optional duty and tag labels available.
Tone information: 28 tones per stage. Additional custom tones available (Contact MEDC)
Suitable for use with 200Hz tones.
Export Info
Made inUnited Kingdom

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