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IECEx Certificate
of Conformity
 
INTERNATIONAL ELECTROTECHNICAL COMMISSION
IEC Certification Scheme for Explosive Atmospheres
for rules and details of the IECEx Scheme visit www.iecex.com
 
Certificate No.:
IECEx BAS 11.0084X issue No.:0
 
Status:
Current
 
Date of Issue:2011-10-10 Page 1 of 3


    
Applicant:
Cooper MEDC Limited
Colliery Road
Brookhill Industrial Estate
Pinxton
Nottingham
NG16 6JF
United Kingdom


 
Electrical Apparatus:A DB4E Speaker and a DB3E Sounder
Optional accessory:


 
Type of Protection:Flameproof, Increased Safety and Dust Protected


 
Marking: Ex de IIC T* Ta -**°C to + **°C Gb
Ex tb IIIC T**°C Ta -**°C to + **°C Db IP66
 
Approved for issue on behalf of the IECEx
Certification Body:		R S Sinclair

 
Position:Managing Director


 
Signature:
(for printed version)
 
Date:
 
 
1. This certificate and schedule may only be reproduced in full.
2. This certificate is not transferable and remains the property of the issuing body.
3. The Status and authenticity of this certificate may be verified by visiting the Official IECEx Website.
 
 Certificate issued by:
Baseefa
Rockhead Business Park
Staden Lane
Buxton
Derbyshire
SK17 9RZ
United Kingdom


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IECEx Certificate
of Conformity
 
Certificate No.:IECEx BAS 11.0084X
 
Date of Issue:2011-10-10Issue No.: 0
 
Page 2 of 3
 
 Manufacturer:
Cooper MEDC Limited
Colliery Road
Brookhill Industrial Estate
Pinxton
Nottingham
NG16 6JF
United Kingdom


 
 Additional Manufacturing location(s):
 

This certificate is issued as verification that a sample(s), representative of production, was assessed and tested and found to comply with the IEC Standard list below and that the manufacturer's quality system, relating to the Ex products covered by this certificate, was assessed and found to comply with the IECEx Quality system requirements. This certificate is granted subject to the conditions as set out in IECEx Scheme Rules, IECEx 02 and Operational Documents as amended.


STANDARDS:
The electrical apparatus and any acceptable variations to it specified in the schedule of this certificate and the identified documents, was found to comply with the following standards:

 
IEC 60079-0 : 2007-10
Edition: 5		Explosive atmospheres - Part 0:Equipment - General requirements
IEC 60079-1 : 2007-04
Edition: 6		Explosive atmospheres - Part 1: Equipment protection by flameproof enclosures "d"
IEC 60079-31 : 2008
Edition: 1		Explosive atmospheres – Part 31: Equipment dust ignition protection by enclosure 't'
IEC 60079-7 : 2006-07
Edition: 4		Explosive atmospheres - Part 7: Equipment protection by increased safety "e"
 
This Certificate does not indicate compliance with electrical safety and performance requirements other than those expressly included in the Standards listed above.


 
TEST & ASSESSMENT REPORTS:A sample(s) of the equipment listed has successfully met the examination and test requirements as recorded in

 
Test Report:
GB/BAS/ExTR11.0148/00


Quality Assessment Report:

GB/BAS/QAR06.0023/03


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IECEx Certificate
of Conformity
 
Certificate No.:IECEx BAS 11.0084X
 
Date of Issue:2011-10-10Issue No.: 0
 
Page 3 of 3
 
 
Schedule
 
EQUIPMENT:
Equipment and systems covered by this certificate are as follows:
 
The DB4E Speaker and variants, together with the DB3E Sounder and variants, comprise a cylindrical enclosure complete with an external horn flare manufactured in glass reinforced polyester.

The enclosure has the option of either a long or short flare arrangement, each permanently fixed to the cylindrical enclosure body to form the flameproof enclosure. A sinter is mounted internally at the centre of each horn flare to facilitate the transmission of sound energy. End of line resistors may be incorporated within the flameproof enclosure.

The other end of the body is closed by an increased safety enclosure which is secured by 6 off M5 x 25mm stainless steel socket head cap screws grade A2-70, A4-70 or A 4-80. Each screw may optionally be machined to provide retention within the counterbores of the increased safety enclosure. 

The increased safety enclosure is provided with BK terminals to IECEx SIR05.0035U and has potted cables to the flameproof enclosure.

Up to three M20 or 1/2” NPT cable entries may be provided in the side wall of the increased safety enclosure for the accommodation of suitable cable entry devices. 

For additional information please see Annex
 
CONDITIONS OF CERTIFICATION: YES as shown below:
 
1. This equipment is not suitable for use in atmospheres containing carbon disulphide.

2. Painting and surface finishes, other than those applied by the manufacturer, are not permitted.

3. When used in a dust atmosphere the cable entries and stopping plugs must maintain the IP66 rating of the enclosure.

4. Not more than one single or multiple strand lead shall be connected to any terminal unless multiple conductors have been joined in a suitable manner, e.g. two conductors into a single insulated crimped boot lace ferrule.

5. Leads connected to the terminals shall be insulated for the appropriate voltage and this insulation shall extend to within 1mm of the terminal throat.

6. All terminal screws, used and unused, shall be tightened down to between 0.5Nm and 0.7Nm.

7. The terminals shall only be installed and wired with cable in an ambient temperature of -10oC to +80oC.

 

 







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