Vega B53-19 Bedienungsanleitung PDF herunterladen (Seite 9)

3.4 Instal

lation in switching cabinet

The overvoltage arrester is mounted in the switching cabinet on carrier

rails according to EN 50 022 (DIN rail) or EN 50 035 (C-rail). It is

fastened to the carrier rail with a screw located on its exterior. The

screw is marked with the symbol for functional ground. D epending on

the version, it may be galvanically connected to the ground terminal of

the overvoltage arrester (see circuit diagram in chapter "Wiring plan").

The carrier rail must be connected (low impedance) to the potential

equalization line (PA). The wire cross-section must be at least 2.5

, the cable must be as short as possible.

Fig. 2: Mounting

on carrier rail according to EN 50 022 (DIN rail) 35 x 7.5 mm

1 Carrier rail

Fig. 3: Mounting

on carrier rail according to EN 50 035 (C-rail) 35 x 7.5 mm

1 Carrier rail

Mounting steps

Proceed as follows:

Overv

oltage arrester • B53-19 9

3 Produc

t description

40490-EN-110527

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Vega B53-19 Bedienungsanleitung Seite 9