Special Conditions For Safe Use - MEDC DB3 Technical Manual

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EN54-3 Fire Alarm Device – Sounder (11-58V DC ABSOLUTE).
Environment Type B Outdoor applications
IP code (IP33C) to BS EN 60529:1992
This signifies unit compliance to the relevant European regulations, in this case 305/2011, along with the
name and number of the notified body issuing the certificate of conformity.
These units also have the following approvals
Electromagnetic compatibility to BS EN 50081-1:1992

6.0 SPECIAL CONDITIONS FOR SAFE USE

a) Type DB3/DB3L - IECEx BAS 11.0083X & BAS00ATEX2097X (Exd)
1. This apparatus is not suitable for use in atmospheres containing carbon disulphide
2. This apparatus is suitable for use only in ambient temperatures as follows:
Type
DB3
DB3L
3. Painting and surface finishes, other than those applied by the manufacturer, are not permitted
4. When used in dust atmospheres the flameproof cable entry devices or stopping plugs shall be
selected and installed to maintain the dust tight (IP6X) integrity of the enclosure
b) Type DB3E/DB3LE - IECEx BAS 11.0084X & BAS00ATEX2098X (Exe)
1. This apparatus is not suitable for use in atmospheres containing carbon disulphide.
2. Not more than one single or multiple strand wiring lead shall be connected into either side of any
terminal, unless multiple conductors have been joined in a suitable manner, e.g. two conductors into
a single insulated boot lace ferrule.
3. Leads connected to the terminals shall be insulated for at least 275V and this insulation shall extend
to within 1mm of the metal of the terminal throat.
4. All terminal screws, used and unused, shall be fully tightened down.
5. This apparatus is suitable for use only in ambient temperatures as follows:
Type
DB3E
DB3LE
6. Minimum creepage and clearance distances between the terminals and adjacent conductive parts
(including cable entry devices) must be at least 5mm.
7. Painting and surface finishes, other than those applied by the manufacturer, are not permitted.
8. When used in dust atmospheres the flameproof cable entry devices or stopping plugs shall be
selected and installed to maintain the dust tight (IP6X) integrity of the enclosure.
© Cooper MEDC 2013
Title:
BS EN 50081-2:1995
Max. Power
T
amb.
rating
15W -20°C to +55°C
15W -20°C to +70°C
15W -55°C to +55°C
15W -55°C to +70°C
Max. Power
T
amb.
rating
15W -20°C to +55°C
15W -20°C to +70°C
15W -50°C to +55°C
15W -50°C to +70°C
DB3 TECHNICAL MANUAL
T T
G D
T5
T100C
T4
T135C
T5
T100C
T4
T135C
T T
G D
T5
T100C
T4
T135C
T5
T100C
T4
T135C
PROCEDURE/
DOCUMENT NO.
7
DD036-0 -03