Medc Db18nnnnn | Speakers | Zone 2 | Gasdetectorsusa
Gas Leak and Flame Detectors, Analyzers, Alarm Devices and Calibration Gas

MEDC   DB18NNNNN

SKU# (1615)
MEDC DB18N_NNNN

ALARM SIGNAL DEVICES / ZONE 2
SPEAKERS

  • DESCRIPTION
  • FEATURES
  • SPECIFICATIONS
  • LITERATURE
MEDC DB18 Speaker (up to 15 Watts), Ex nA, Weatherproof. Zone 2 use. IP66 and IP67. Available certifications: ATEX and BASEEFA. *** Phased Out *** Replaced by DB4B

Inquiry

This loudspeaker, intended for use in Zone 2, potentially explosive gas and dust atmospheres, has a power rating of up to 15 Watts and is suitable for use in all gas groups including hydrogen.

The flare and body are manufactured from a UV stable glass reinforced polyester. Stainless steel screws and mounting stirrup are incorporated to ensure a corrosion-free product.

FEATURES

  • Zone 2 use.
  • Ex nA II T4.
  • ATEX compliant, Ex II 3 GD.
  • BASEEFA tested.
  • IP66 & 67.
  • Ambient temperature: –55°C to +55°C.
  • 117dbA at 15 Watts at 1 metre.
  • Power tappings via integral transformer.
  • Stainless steel ratcheted swivel mounting stirrup.
  • Stainless steel fixtures.
  • 100V line or 8Ω.

Specification
Certification: CENELEC EN50014, 21.
Ex nA II T 135°C (-55°C to +55°C) T4, Zone 2.
Material Body & horn in anti-static, UV stable, glass reinforced polyester.
Mounting stirrup and fixtures in stainless steel.
Finish: Natural Black or body and horn can be painted to client requirements.
Rated Power: 15 watts RMS continuous (at 25°C).
Certified Temp: –55°C to +55°C.
Weight: 2.6kg approx.
Ingress Protection: IP66 & IP67.
Entries: 2 x M20 ISO.
Terminals: Up to 8 x 2.5mm2.
Output Maximum output at 1W/1m at 900Hz is 107 dBA.
Maximum output at 15W/1m at 900Hz is 117 dBA.
Frequency Range: 400Hz to 7kHz.
Voice Coil Impedence: 8 ohms.
Fire Retardancy: GRP is fire retardant to ISO 1210.
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 W
1:2 15.0
2:3 7.5
3:4 5.0
1:3 4.0
2:4 2.0
1:4 0.8

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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DB18NNNNN
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Zone 2 / Speakers
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