EX-TECH-SIG-SAS-12-SD125-150-TM-EN-REV04
1.0 INTRODUCTION
SD-150/125 series Explosion-proof Sounder/Horn &
Loudspeaker is designed according to EN / IEC
60079-0, EN / IEC 60079-1 and EN 54 (SB 5879)
standard. Enclosure material is UV and corrosion
resistance GRP (Glass Reinforced Polyester). This
product certified for use and installation in Zone 1 and
Zone 2 areas with gases groups of IIA, IIB, IIC and
temperature classification of T4~T6. The SD 125 version
is made in SS 316 and the SD 150 version is made in
GRP.
Users can choose single sounder, speaker or two-in-one
sounder & loudspeaker. The design of two-in-one sounder
& loudspeaker is unique. According to user control system,
4 stages of alarm tones can be sent out. 63 tones are
selectable. Users can record sounds or customize sounds
into the sounder by using 5 spare tones. Tone can be
preset during installation.
2.0 EXPLOSION-PROOF LABELING
All products have a rating label, which carries the following
important information:
Product order no.: e.g.
SD150DCNNARDN
(Refer to the datasheet for product order selection)
Input voltage: up to 48V DC or 100-254V AC
Code: SD150-1101400001
Ex d IIC Txx Gb
Ex tb IIIC Txx
ATEX Marking:
Gas Group and Category: II 2GD
CE Mark:
Warning:
DO NOT OPEN WHEN AN EXPLOSIVE GAS
ATMOSPHERE IS PRESENT
Finish product serial no. (Include date of construction)
Note; exact information is given on the actual label,
ref also example on page 1.
3.0 TYPE APPROVAL STANDARD
The BC series products have been approved according the
following standards:
IEC/EN 60079 General Requirements
IEC/ EN 60079-1 Flame proof Enclosure‘d’
IEC/ EN 60079-31 Dust atmosphere “t”
4.0
ZONES, GASGROUP, CATEGORY AND
TEMPERATURE CLASSIFICATION
The BC series products have been certified Ex d IIC T4~T6.
This means that the units can be installed in locations with the
following conditions:
Area Classification:
Zone 1
: Explosive gas air mixture likely to occur in normal
operation.
Zone 2:
Explosive gas air mixture not likely to occur, and if it
does, it will only exist for a short time.
Gas Groupings:
Group IIA Propane Group
IIB Ethylene Group
IIC Hydrogen and Acetylene
Equipment Category:
ATEX, 2GD
EPL; Gb/ Db
Temperature Range:
See label, ref page 1
5.0 INSTALLATION
General Requirement
Selection, Installation, Maintenance and repair of electrical
apparatus for use in potentially explosive atmosphere should
be done in according to IEC/ EN 6079-14/ -17/ -19 . Product
installation must be carried out in accordance with any local
codes that may apply and should only be carried out by a
competent electrical engineer.
Location
The location of the unit should be made with due regard to
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