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Verfügbare Sprachen
Verfügbare Sprachen
Rack-mounting and floor-type cabinets for fire alarm systems
5
Power supply and PE connection
To ensure that the Fire Alarm System or Extinguishing Control Computer functions as intended, the power
supply-side PE connection must be connected to the screw terminal on the panel according to the specifications
in the installation instructions.
•
Connect the PE and FE connection (function earth) of the panel housing with the same
of the distribution box from which the panel is supplied with operating voltage
rail (PER)
(required cable cross section ≥ 4 mm²).
•
Connect electrically conductive parts of the housing with each other using a PE cable
(required cable cross section ≥ 1.5 mm² flexible).
Example of floor-type cabinet with PE connections
1
4
3
PE connections
Cabinet door
Pivot frame
Side wall
Terminal strip
Terminal strip
Position of label – reference to leak current
A
32
A
5
≥ 4
Cable cross-section
mm² to
FE
potential equalisation rail (PER)
Side wall
Side wall
Cabinet base
Mounting plate
Central grounding point/potential equalisation
2
potential equalisation
Cable cross-section
1.5 mm²
2.5 mm²
≥ 4 mm²
FB 798635 /03.10
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