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500-8384.9 • Version 11 • Installation and Operating Instructions • 8DJH
1. Mount 2 fixing brackets for the pressure relief duct of the switchgear on the rear wall using
6 self-tapping bolts M6 each.
2. Bolt the pressure relief duct together at the 2 fixing brackets using 6 self-tapping bolts M6
each.
12x
12x
Fig. 37:
Mounting the fixing brackets
Fig. 38:
Mounting the pressure relief duct
1
Rear wall of frame
2
Fixing bracket
3
Pressure relief duct
7.12 Installing the base and the pressure relief duct for the pressure
absorber system (IAC up to 21 kA)
Switchgear installation with pressure relief duct pre-assembled at the factory or supplied
separately for switchgear with IAC A FL or FLR up to 21 kA/1s.
IAC A FL up to 21 kA/1s
IAC A FLR up to 21 kA/1s
Panels in wall-standing arrangement
(except metering panels)
Height 1800 mm
Panels in free-standing arrangement
Height 2300 mm
Metering panels in wall-standing and
free-standing arrangement
Height 2300 mm
Switchgear with pre-assembled base and pressure relief duct:
1. Set the switchgear onto the foundation or the foundation rails, align it and bolt it tight.
2. Install the pressure absorber top unit [
Summary of Contents for 8DJH
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