Siemens SITRANS WS300 Operating Instructions Manual page 34

Technical data
6.6 Approvals
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.
Proximity Switch Approval Ratings (Pepperl + Fuchs #NJ0.8-5GM-N)
● ATEX: II 2G, EEx ia IIC T6 (with suitable IS Switch Isolator)
● CSA/FM (with suitable IS Switch Isolator or Switch Amplifier):
– Class I, Div. 1, Groups A, B, C, D
– Class II, Div. 1, Groups E, F, G system approval
IS Switch Isolator (Pepperl + Fuchs #KFA5-SOT2-Ex2 or #KFA6-SOT2-Ex2)
● ATEX: II (1) G, [EEx ia] IIC
● CSA/FM:
– Class I, Div. 1, Groups A, B, C, D
– Class II, Div. 1, Groups E, F, G
Based on the ATEX rating of the NAMUR sensor and CSA/FM system approvals.
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Operating Instructions, 06/2018, A5E4505935-AA
SITRANS WS300