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Mounting / Installation
5
Protective cages
5.12 Protective cages
5.12.1 Mounting of the protective cages
5.12.2 Grounding of the EMC-protective cage FDBZ294
76 | 94
Building Technologies
Fire Safety
Protective cage DBZ1194 protects the detector against mechanical damage.
EMC-protective cage FDBZ294 protects the detector against mechanical damage
and electromagnetic fields.
The protective cages can only be installed on the base attachment wet FDB295.
Figure 22: Mounting of the protective cages
1 Base attachment
2 Break out and screw protective
cage on firmly
3 Protective cage
The EMC-protective cage must be connected to the shielding of the detector line
cable at the flat plug.
If the detector line cable is not shielded then the EMC-protective cage must be
grounded using a separate cable.
For optimum grounding in the presence of powerful electromagnetic fields, the
ground line must be shorter than 10 m and have a cross section of at least
1.5 mm
.
2
4 Flat plug 6.3 x 0.8 mm
5 EMC-protective cage
A6V10209291_h_en_--
2016-03-03
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