Extinguishing Control Computer 8010 – 19-Inch
30 FB 798955.GB0 / 09.07
6 Mains connection and Protective earth (PE)
To ensure a proper operation of the system, the PE cable of the mains supply must be connected to the
intended terminal of the Extinguishing Control Computer in accordance to the specifications given in the manual
of the 19-inch rack.
• The FE (functional earth) and PE (protective earth) terminals of the panel’s housing must be connected with
the PE rail of the power distributor panel from which the fire alarm system will be powered (required cable
diameter
≥ 4 mm²).
• Electro conductive housing parts must be interconnected with a PE cable
(required cable diameter 1,5 mm², flexible).
Example: 19-inch cabinet with PE connections
3
1
4
2
5
Cable cross section at least
≥ 4
mm² to PE rail
FE
A
Fig. 22: Location of the terminals and PE connectors in the 19-inch rack (example)
PE-connections Cable diameter
c
Cabinets door
Ù side wall
d
Swivel frame Ù side wall
e
side wall Ù mounting plate
1.5 mm²
f
terminals Ù mounting plate 2.5 mm²
g
Terminals Ù Ground / potential compensation 4 mm²
A
Label – Information to leakage current-