Burkert Type 8643 - Manual (Page 17)

8643 - 17
english
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The maximum line resistance to the sensors and actuators is 20 • W .
The Power I/O Box Type 8643 may only be supplied with safety low volt- •
age in compliance with vDE 0631.
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The Power I/O Box Type 8643 meets the specifications of the EMC •
laws. EN61000-6-2 interference resistance and EN61000-6-4 emitted
interference.
The safety engineering maximum values for use in the Ex area are found
•
in the Type Examination Certificate (see Annex).
5.3 dimensions
260
160
188
110
240
92
Illustration 5-7: Dimensions Type 8643