Medc Db20bb8nnnnn | Speakers | Atex | Gasdetectorsusa
Gas Leak and Flame Detectors, Analyzers, Alarm Devices and Calibration Gas

MEDC   DB20BB8NNNNN

SKU# (1616)



MEDC DB20BB8NNNNN

ALARM SIGNAL DEVICES / ATEX
SPEAKERS

$573.85  [9 Weeks]
  • DESCRIPTION
  • FEATURES
  • SPECIFICATIONS
  • LITERATURE
MEDC DB20 Speaker (up to 8 Watts), Exde, Weatherproof. Zone 1 and Zone 2 use. IP66 and IP67. Atex approved, Ex II 2G, Ex de IIB T3/T4. CUTR, IECEx and Inmetro certifications also available.

ATEX   IECEX   ZONE 1   ZONE 2

DB20BB8NNNNN   
573.85

Certification
Power
Transformer
Options
Options
Options
Finish

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

This range of loudspeakers, intended for use in potentially explosive atmospheres, has a power rating of up to 8 Watts and is suitable for use in the harsh environmental conditions found offshore and onshore in the oil, gas and petrochemical industries.

The body and cover are manufactured from a UV stable glass reinforced polyester. The flare is manufactured from UV stable ABS.

Stainless steel screws and mounting stirrup are incorporated to ensure a corrosion-free product.

FEATURES

  • Zone 1& 2 (and Zone 21 & 22 : IIC version) plus non-Ex use
  • ATEX Approved II 2G Ex de IIB T3/T4*
  • IIC Gas Group and Dust approved version available.
  • BASEEFA certified.
  • Brazilian (Inmetro) certified.
  • GOST 'R' & 'K' certified.
  • IECEx Approved.
  • IP66 & IP67.
  • Certified temperature: –50°C to +70°C*.
  • GRP corrosion-free flamepath.
  • 112dB(A) at 8 watts at 1 metre (IIB Version)
  • Power tappings via integral transformer.
  • Ratcheted swivel mounting stirrup
  • Stainless steel fixtures.
  • 100V or 70V line and 8Ω versions available.
  • Earth continuity available.

*Temperature class relates to ambient temperature (see over)

Specification
Certification: EN60079-0, EN60079-1, EN60079-7
IEC60079-0, IEC60079-1, IEC60079-7 and
IEC 61241-0, IEC 61241-1
IIB Version:
ATEX Cert. No. Baseefa05ATEX0198X
Ex II 2 G Ex de IIB T3/T4
IECEx Cert. No. IECEx BAS 05.0082X
Ex de IIB T3/T4
IIC Version:
ATEX Cert. No. Baseefa05ATEX0199X
Ex II 2 GD Ex de IIC T4/T5 , Ex tD A21
T100°C/T115°C/T130°C
IECEx Cert. No. IECEx BAS 05.0083X
Ex de IIC T4/T5 , Ex tD A21 T100°C/T115°C/T130°C
Zone 1 & 2 and Zone 21 & 22
*See Certified temperature below
Brazilian (Inmetro) Certified: BR-Ex de IIB T3/T4. BR-Ex de IIC
T5/T115°C
GOST R Certification: 2Exde IIB T3, 2Exde IIC T4
GOST K Certification: Exde IIB T3, Exde IIC T4
Material Body & Cover - UV stable, glass reinforced polyester.
Outer flare - UV stable ABS.
Mounting stirrup and fixtures in stainless steel.
Finish: Natural black or painted or to client’s requirements.
Rated Power: 8 Watts RMS continuous (at 25°C).
Output IIB version:
Maximum output at 1W/1M is 103 dB(A)
Maximum output at 4W/1M is 109 dB(A)
Maximum output at 8W/1M is 112 dB(A)
IIC version:
Maximum output at 1W/1M is 100 dB(A)
Maximum output at 4W/1M is 106 dB(A)
Maximum output at 8W/1M is 109 dB(A)
Frequency Range: 400Hz to 7kHz.
Voice Coil Impedence: 8 ohms.
Certified Temp: IIB version:
Tamb -50°C to +70°C (T3) and
Tamb -50°C to +40°C (T4)
IIC version:
Tamb -50°C to +70°C (T4) and
Tamb -50°C to +40°C (T5)
Weight: 1.5kg approx
Ingress Protection: IP66
Entries: ATEX & IEC 2 x M20 ISO + 1 x certified plug
Terminals: 4 x 4.0mm2.
Mounting: Via Stirrup with ratchet facility
Earth Continuity: Available.
Labels: Optional stainless steel tag and duty labels.
Transformer: Used by combining the rated power tappings below.
Transformer Tappings Power (Watts)
8W Unit 4W Unit
1:2 8.00 4.00
2:3 4.00 2.00
3:4 2.00 1.00
1:3 1.50 0.75
2:4 0.75 0.38
1:4 0.40 0.20

Transformer Options:
Standard:
i) Loop in/Loop out (4 x 2) power tap change;
8 terminals.
Optional:
ii) Loop in/loop out (2 x 2 ) 8 ohm; 4 terminals.
iii) 4 terminal tap change with 2 terminals (5 & 6), directly connected to driver (8 ohms).

Export Info
Made inUnited Kingdom

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