WIKA BGU-...I Serie Betriebsanleitung Seite 57

9.3. Cable gland
Detailed information on bypass magnetic switches can be found sepa-
rately in the data sheets below:
 Bypass magnetic switch, Type BGU; see BGU data sheet
KSR KUEBLER Operating instruction Bypass magnetic switch – BGU-...I
Only cable entries and sealing plugs with an EC type ex-
amination certificate pursuant to EN 60079-0, EN 60079-7
and EN 60079-31 may be used.
They must be certified for at least the same temperature
range and IP protection as the magnetic switch. Further-
more, it is important to ensure that the thread size and
thread version complies with the respective device model
of the housing and that the screws are suitable for the con-
nection cable used. The use of single strands is not per-
mitted! In the event of non-compliance the type approval
expires.
All unnecessary openings for feeding cables must be per-
manently sealed with appropriate sealing elements verified
for explosion protection in accordance with EN 60079-7 for
Group IIC, or EN 60079-31 for Group IIIC.
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