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Operating instructions (safety-related part ATEX)
Functions and features
• Use in hazardous areas according to the classification
II 1G
(group II, category 1G, apparatus for gas atmosphere).
II 1G Ex ia IIC T4 Ga
• Use in hazardous areas according to the classification
II 1D (group II, category 1D, apparatus for dust atmosphere).
II 1D Ex ia IIIC T135°C Da
• The requirements of the standards IEC60079-0, IEC60079-11, IEC61241-11 and
IEC60079-26 are met.
EC type test certificate
IECEx type test certificate
Installation / Set-up
The units must only be installed, connected and set up by qualified staff. The qualified staff
must have knowledge of protection classes, regulations and provisions for apparatus in
hazardous areas.
Check whether the classification (see table 1 above and marking on the unit) is suitable for
the application.
• Connection only to intrinsically safe circuits which are approved with the EC type test
certificate and do not exceed the following maximum values:
• Permissible operating temperature of the application (referred to the maximum power
which can be supplied):
2
Remarks for safe use in hazardous areas
BVS 11 ATEX E 071
IECEx BVS 11.0043
Ui = 15 V, Ii = 50 mA, Pi = 120 mW
-25...70°C
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