Gas Leak Detectors, Analyzers, Alarm Devices and Calibration Gas
SKU# (4179)

MEDC  DB20W8NNNNN

ALARM SIGNAL DEVICES / WEATHERPROOF
SPEAKERS

$469.98     Availability: 6 Weeks
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MEDC DB20W8NNNNN
  • Overview
  • Benefits
  • Specs
  • Literature

MEDC DB20 Speaker (up to 8 Watts), Weatherproof only version. Zone 1 and Zone 2 use. IP66 and IP67.

Part# with Options:        DB20W8NNNNN
Price with Options:        469.98

Options:    

Power
(1) Power for MEDC DB15
Transformer
(2) Transformer for MEDC DB20W
Options
(3) Options for MEDC DB20W
Options
(4) Options for MEDC DB20W
Options
(5) Options for MEDC DB20W
Finish
(6) Finish for MEDC DB20W

  Availability 6 Weeks  ]

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: 50C to +70C*.
  • 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
T100C/T115C/T130C
IECEx Cert. No. IECEx BAS 05.0083X
Ex de IIC T4/T5 , Ex tD A21 T100C/T115C/T130C
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/T115C
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 clients requirements.
Rated Power: 8 Watts RMS continuous (at 25C).
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 -50C to +70C (T3) and
Tamb -50C to +40C (T4)
IIC version:
Tamb -50C to +70C (T4) and
Tamb -50C to +40C (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).


B2B Checkout Options: Designated Carrier and Tax-Exempt purchase
Payment Options: Credit Card, Credit Card Over the Phone, PAYPAL, Wire Transfer, Check and Money Order

Checkout with Paypal

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