
www.intertec.info
Operating Instructions Temperature switch TA
HOM183166987Ien-2 Page 3 / 7
INTERTEC-Hess GmbH · Raffineriestr. 8 · 93333 Neustadt/Donau · Germany ·
+49 9445 9532-0 ·
[email protected]1 General
These operating instructions describe the safe and
proper way to work with the device. The safety informa-
tion and instructions given as well as the local accident
prevention regulations and general safety regulations
valid in the area of application must be complied with.
These instructions are a constituent part of the instru-
ment and need to be kept in the immediate vicinity of the
device accessible to personnel at all times.
Before starting any work, the operating instructions
should be read in full.
2 Use
The temperature switch TA.. is manufactured according
to the guideline Directive from Ministry of Employment
and Labor No. 2016-54 and serves as a thermostat, fault
alarm or thermal fuse. It can be used in areas where ex-
plosive gas/air or dust/air mixtures can occasionally be
expected.
The types TAE.., TAS.. and TAES.. are supplied with a
connecting cable. An Ex junction box is used for series
switching with an electrical heating unit.
The type TAI... is already integrated in the connecting
cable of a heating unit at the factory.
The temperature switches are approved in Ex zone 1
and zone 2 for device categories G/ D, in temperature
class T6.
Product approval 18-KA4BO-0094 and 18-KA4BO-0093
with appendices and supplements, as well as IEC
Scheme Certificate IECEx PTB 07.0054.
See http://www.intertec.info
3 Explanation of symbols for warnings
and signal words
The safety information warns the user about risks and
provide information on how risks can be avoided.
Safety information can be found at the start of the
chapter before the instructions which may lead to a haz-
ardous situation. Additional safety information can be
found at the beginning of this manual.
Safety instructions which must be adhered to are high-
lighted as follows:
DANGER
DANGER
This sign is warning about an extremely hazardous situ-
ation which, if not heeded, will lead to death or serious ir-
reversible injury.
WARNING
WARNING
This sign is warning about a hazardous situation which,
if not heeded, may lead to death or serious irreversible
injury.
CAUTION
NOTICE
This sign is warning about a hazardous situation which,
if not heeded, may lead to slight, reversible injury.
NOTICE
NOTE
It is essential to pay attention to this safety advice as you
may otherwise incur material damage.
INFO
Important notes and useful additional information.
4 Installation accessories
The following are included in the scope of delivery:
Piece Name
1 Thermostat
1 M 6x25 hex bolt
1 Spacer made of GRP
If one of the components listed here is not included in
the scope of delivery, then please contact the manufac-
turer.
5 Technical Data
Rated voltage max. 250 V respect-
ively 400 V