-Ex, non-contacting thermal switch unit
Possible Applications, BTS-Ex Characteristics
Installation and Operating Manual / Version 7 / 3626-019600ex
en / Protection class
0: public / 2020-07-15
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Keep a minimum distance of 3 mm between switching element and initiator (
Chapter 6.3).
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After switching off, it is mandatory to eliminate all errors/faults before re-starting or
switching on again the BTS-Ex.
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It is recommended designing the monitoring devices and monitoring circuits of the
shutdown chain at least as per PL c according to EN ISO 13849-1 or SIL 1
according to EN 61508 or EN 62061.
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In case of existing explosive atmosphere, it is not permitted so loosen seized parts
(caused e.g. by frost or corrosion) forcefully. Icing-up has to be avoided.
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The operator has to provide protective measures according to the explosion
protection document, e.g. protection against external impact energy.
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In order to ensure explosion protection, electrical equipment and mechanical
devices mounted in addition have to comply with the requirements of the zones
applying on the jobsite and shall be inspected separately by the person installing
the machine.
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Coatings / paintings are permissible up to a thickness of 0.2 mm in Explosion
Group IIC. In IIB / I, it is never allowed to exceed a thickness of 2 mm; if
necessary, a reduction of e.g. 0.5 to 1 mm has to be made dependent on the
quality of the coating / painting. Operators are not allowed to perform any
paintings.
1.3 Declaration of conformity
Annex (see declaration of conformity)
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