ATEX Loudspeakers Zone 1 & Zone 2 Explosion proof Ex d – Eaton MEDC DB20 Hazardous Area Loudspeakers

ATEX Loudspeakers Zone 1 & Zone 2

Eaton MEDC DB20 are ATEX loudspeakers are intended for use in potentially explosive atmospheres in ATEX & IECEx Zone 1 and Zone 2 hazardous areas. DB20 hazardous area loudspeaker 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.

Eaton MEDC DB20

ATEX Loudspeakers Zone 1 & Zone 2

ATEX

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.
CUTR certified.
IECEx Approved.
IP66.
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.
Option for 8 terminals to allow loop-in loop-out wiring configuration.
Optional metal ceiling mount in accordance with SOLAS B15 requirement.

*Temperature class relates to ambient temperature (see datasheet)

Eaton MEDC DB20 – Dimensions

Frequency Response @ 8W/1M (DB20 100V 8W unit)

Transformer: Used by combining the rated power tappings below:

Tappings	Power
	8W	4W
1:2	8.0	4.00
2:3	4.0	2.00
3:4	2.0	1.00
1:3	1.5	0.75
2:4	0.7	0.38
1:4	0.4	0.20

MEDC DB20 Hazardous Area Loudspeakers

Technical Specification

Hazardous Area Certification
ATEX Ex de IIB	Cert. no. Baseefa05ATEX0198. Certified to: EN60079-0, EN60079-1, EN60079-7. Ex II 2 G, Ex de IIB T3. Ex II 2 G, Ex de IIB T4
ATEX Ex de IIC	Cert. no. Baseefa05ATEX0198. Certified to: EN60079-0, EN60079-1, EN60079-7, EN61241-0, EN61241-1. Ex II 2 GD, Ex de IIC T4, Ex tD A21 T130ºC. Ex II 2 GD, Ex de IIC T4, Ex tD A21 T115ºC. Ex II 2 GD, Ex de IIC T5, Ex tD A21 T100ºC.
IECEx Ex de IIB	Cert. no. IECEx BAS 05.0082. Certified to: IEC60079-0, IEC60079-1, IEC60079-7. Ex de IIB T3. Ex de IIB T4.
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. Ex de IIC T4, Ex tD A21 T115ºC. Ex de IIC T5, Ex tD A21 T100ºC.
CUTR	2Exde IIB T3/T4. 2Exde IIC T4/T5, Ex tD A21 T130°C/T115°C/T100°C
Inmetro	Ex d e IIB T3/T4 Gb, Ex d e IIC T4/T5 Gb
Specifications
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 25ºC)
Frequency range	400Hz to 7kHz
Weight	1.5kg approx
Voice Coil Impedance	8 ohms
Certified Temp	IIB version: Tamb -50ºC to +70ºC (T3) and Tamb -50ºC to +40ºC (T4). IIC version: Tamb -50ºC to +70ºC (T4) and Tamb -50ºC to +40ºC (T5)
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
Earth Continuity	Available
Labels	Optional stainless steel tag and duty labels
Transformer	Used by combining the rated power tappings below

EATON MEDC DB20 – 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 DB20 – Ordering Requirements

ATEX Loudspeaker

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.

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