Siemens SITRANS WS300 Operating Instructions Manual page 29

IS version/Mining
(with stainless steel en‐
closure only)
Note
Non-electrical protection is provided by type of protection constructional safety "c". The primary
ignition hazards identified are hot surfaces, mechanically generated sparks, and electrostatic
hazard which are mitigated by the construction, proper installation, inspection, regular
maintenance, and adherence to conditions of safe use (or equivalent).
Switch and Isolator Approvals
Note
The Approval Ratings for the Proximity Switch and the IS Switch Isolator are the property of
Pepperl + Fuchs. Copies of these Approval Certificates may be obtained from our website
www.siemens.com/continuous-weighing (www.siemens.com/continuous-weighing). Click on
Support, then Approvals / Certificates, to find the appropriate certificate.
SITRANS WS300
Operating Instructions, 08/2020, A5E45050935-AB
IECEx CSA 17.0026X
Sira 17ATEX2267X
Ex ia I Ma
Ex ia IIC T4 Ga
Ex ia IIIC T135 °C Da
Ta = -40 °C ... +55 °C
2813
I M1
II 1 GD
Ex ia I Ma
Ex ia IIC T4 Ga
Ex ia IIIC T135 °C Da
Ex h I Ma
Ex h IIC T4 Ga
Ex h IIIC T135 °C Da
Ta = -40 °C ... +55 °C
Technical data
6.6 Approvals
IEC 60079-0:2011,
6th Edition,
IEC 60079-11:2011,
6th Edition
EN 60079-0:2012/A11:2013
EN 60079-11:2012
EN ISO 80079-36:2016
EN ISO 80079-37:2016
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