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1.0 Introduction
The Klaxon Intrinsically Safe Sounder product (TCC-0001) is ATEX and
IECEx certified. The Sounder is approved to be installed in Groups I (Mining)
and Group II (above ground), Zones 0, 1 or 2 with gas groups IIA, IIB, IIC and
Zones 20, 21 and 22 for dust groups IIIC and carries a temperature classification
of T6. The Sounder comprises of a 2 stage alarm and has a total of 32 selectable
alarm tones via a DIP switch which is set upon installation. When powered via
a suitable Galvanic Isolator or Zener Barrier the Sounder will draw a constant
33mA. The Sounder has diode reverse polarity protection and is also End of
Line resistor compatible.
2.0 Intrinsically Safe Labelling
The product will have an individual serial number printed onto the head base
plate, an example of the sounder label is shown below.
These products have been tested by notified body
Element Materials Technol-
ogy Rotterdam
who are UKAS accredited to BS EN ISO/IEC 17025:2005 and
ISO/IEC 17065:2012. It is also a Notified Body for the ATEX Directive, an
IECEx Certification Body and an IECEx Testing Laboratory.
The suffix X at the end of the certificate numbers indicates that there are special
clauses added for safe use of these units.
3.0 Types of Approval and Standards Applied
The Klaxon IS Sounder product has been approved to the following standards:
IEC 60079-0:2011 / EN 60079-0:2012 + A11:2013
IEC 60079-11:2011 / EN 60079-11:2012
EN 54-3:2001+A1:2002+A2:2006
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