NEC DECT G355 Basic User's Manual page 13

Furthermore the I755x complies to:

EN60079-0,

EN60079-11
And the following ATEX/IEC information holds:
0°C≤Ta≤+45°C
Ui = 4.2V; li=0.75A, Pi=3.15W, Ci =196uF, Li =22uH
II 3 G Ex ic IIC T4 Gc TÜV 12 ATEX 7285 X
Introduction
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