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DB20C Ceiling Loudspeaker

Brand: Crouse Hinds

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

The lightweight, patented design provides self-supporting and self-locking mounting onto a ceiling tile from 0.5 to 55 mm thick. The speaker is held in the mount via a twist-fit support and locking grille, giving access from above or below and allowing first fit of either ceiling or speakers. 

The DB20C’s compact design will fit a ceiling cavity of limited space and its aesthetically pleasing appearance will enhance the surroundings.
Features
  • Zone 1& 2 and Zone 21 & 22 use
  • IIC Gas Group and Dust approved
  • BASEEFA certified
  • CUTR certified
  • Brazilian (Inmetro) certified
  • IECEx Approved
  • DNV certified
  • IP66 & IP67
  • Certified temperature -50°  to +70° C
  • GRP and Flame-Retardant ABS corrosionfree construction
  • 100 dB (A) at 1 watt at 1 metre
  • Power tappings via integral transformer
  • Tool-free mounting method
  • 100 V or 70 V line versions available
  • Earth continuity available
  • Option for 8 terminals to allow loop-in loop-out wiring configuration

Specifications

Brand

Certifications & Approvals

  • ATEX, IECEx, CUTR, INMETRO, DNV

Flameproof & Increased Safety

  • Ex II 2 GD Exde IIC T4/T5
  • ATEX Ex II 2 G, Exde IIB T3/T4

Area Classification

  • Zone 1, Zone 2 & Non Ex-use

Certified Ambient Temperature

  • -50° to +70° C

Ingress Protection

  • IP66 & IP67

Material

  • Outer Flare: UV Stable ABS
  • Body and Cover: Corrosion-Free GRP

Output

  • 100 dBA at 1 W at 1 metre
  • 106 dBA at 4 W at 1 metre

Entries

  • 2 x M2O ISO + 1 x Certified Plug

Terminals

  • 8 x 2.5 mm² Optional ATEX and IECEx Only
  • 4 x 4.0 mm² as Standard

Transformer Tappings at 4W

  • 0.38
  • 0.75
  • 1
  • 2
  • 4
  • 0.2

Options

  • Tag & Transformer Voltage

Weight

  • 1.5 kg (Approximately)

  • Oil, Gas & Petrochemical Industries
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