ATEX Loudspeakers Zone 1 & Zone 2 Weatherproof Ceiling Speaker Ex de – Eaton MEDC DB20C Hazardous Area Loudspeakers
ATEX Loudspeakers Zone 1 & Zone 2 Weatherproof Ceiling Speaker Ex de – Eaton MEDC DB20C Hazardous Area Loudspeakers
ATEX Loudspeakers Zone 1 & Zone 2
Eaton MEDC DB20C are ceiling-mounted ATEX loudspeakers, intended for use in potentially explosive atmospheres in ATEX & IECEx Zone 1 and Zone 2 hazardous areas. Hazardous area loudspeaker 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 55mm thick. The ATEX loudspeaker 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.
Eaton MEDC DB20C
Eaton MEDC DB20C – Dimensions
Frequency Response @ 4W//1M (DB20C 100V 4W unit)
Transformer: Used by combining the rated power tappings below:
| Tappings | Power |
| 4W | |
| 1:2 | 4.00 |
| 2:3 | 2.00 |
| 3:4 | 1.00 |
| 1:3 | 0.75 |
| 2:4 | 0.38 |
| 1:4 | 0.20 |
MEDC DB20C Hazardous Area Loudspeakers
Technical Specification
| Hazardous Area Certification | |
| ATEX Ex de IIC |  Cert. no. Baseefa05ATEX0199. Certified to: EN60079-0, EN60079-1, EN60079-7, EN61241-0, EN61241-1. Ex II 2 GD, Ex de IIC T4, Ex tD A21 T130ºC (-50ºC to +70º). Ex II 2 GD, Ex de IIC T4, Ex tD A21 T115ºC (-50ºC to +55º). Ex II 2 GD, Ex de IIC T5, Ex tD A21 T100ºC (-50ºC to +40º). |
| IECEx Ex de IIC | : Cert. no. IECEx BAS 05.0083. Certified to: EN60079-0, EN60079-1, EN60079-7, EN61241-0, EN61241-1. Ex de IIC T4, Ex tD A21 T130ºC (-50ºC to +70º). Ex de IIC T4, Ex tD A21 T115ºC (-50ºC to +55º). Ex de IIC T5, Ex tD A21 T100ºC (-50ºC to +40º). |
| CUTR | 2Exde IIC T4, Ex tD A21 T130ºC/T115°C/T100°C |
| Inmetro | Ex d e IIC T4/T5 Gb |
| Specifications | |
| Material | Body & Cover – Natural black, UV stable, glass reinforced polyester. Outer flare – UV stable ABS |
| Finish | Natural ABS finish equivalent to RAL9010 |
| Rated power | 4 Watts RMS continuous (at 25ºC). |
| Output | Maximum output at 1W/1M is 100 dB(A). Maximum output at 4W/1M is 106 dB(A). *Other wattages available contact MEDC sales for details |
| Frequency range | 400Hz to 7kHz |
| Weight | 1.5kg approx |
| Voice Coil Impedance | 8 ohms |
| Certified Temp | -50ºC to +70ºC (T4) and Tamb -50ºC to +40ºC (T5) |
| Weight | 1.5kg approx |
| Ingress Protection | IP66 & IP67 |
| Entries | 2 x M20 ISO + 1 x certified plug |
| Terminals | 4 x 4.0sqmm as standard. 8 x 2.5sqmm optional, ATEX and IECEx only. |
| Mounting | Via Stirrup with ratchet facility |
| Ceiling Cutout | Ø175mm |
| Earth Continuity | Available via optional earthing stud |
EATON MEDC DB20C – ORDERING REQUIREMENTS
The following code is designed to help in selection of the correct Eaton hazardous area loudspeakers with ATEX approval and certification. Build up the part number by inserting the code for each component into the appropriate box.
Eaton MEDC DB20C – Ordering Requirements
ATEX Loudspeakers
Eaton MEDC
Eaton MEDC have developed ATEX products designed for harsh and hazardous area conditions and where there is a risk of explosion due to the presence of flammable atmospheres both onshore and offshore – since 1975 MEDC have been designers and manufacturers of alarm, signal, control and communications equipment. T&D distribute the extensive range of Eaton MEDC ATEX Certified manual call points, visual, audible alarms, loudspeakers and telephones for hazardous area workplaces, including Zone 1 & Zone 2 explosive atmospheres.
Thorne & Derrick, are the Explosive Atmosphere Experts, distributing an extensive range of ATEX Certified Equipment including heat tracing cables and systems, electrical heating products, electrical enclosures and plug/sockets outlets.
Complete range of LV-HV Cable Joints, Terminations, Cleats & Glands are available to support installation of power, control and instrumentation cables up to 33kV – includes Cold Shrink for use in hazardous areas to provide electrical insulation and cable protection.
âž¡ Cable Cleats | Cable Lugs | Cable Transits | Cable Joints
Thermon | EXHEAT | Abtech | Marechal Electric | 3M Electrical
ATEX Loudspeakers Zone 1 & Zone 2 Weatherproof Ceiling Speaker Ex de – Eaton MEDC DB20C Hazardous Area Loudspeakers
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