Siemens FDCIO223 Technical Manual page 52

Mounting / Installation
52
Building Technologies
Fire Safety
Cable with diameter > 1.5 mm²
If the cable diameters on the inputs/outputs are greater than 1.5 mm
terminals must be used:
In the case of cables with a diameter of 1.5...2.5 mm

DBZ1190-AB can be used.
In the case of cables with a diameter of >2.5 mm

be provided by the customer.
The terminal can be positioned inside the housing.
Installing the module in the FDCH221 housing
See also
 Connection terminal DBZ1190AB [ 45]
, auxiliary
2
, connection terminal
2
, an appropriate terminal must
2
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2015-10-06