54
2 Installation
2.6
Power bar connection up to 24kv
For switchboards up to 24 kV the bars are provided with silicon hoods and connected in the
following way:
1. Remove two roof panels (C and D Fig. 21)
2. Put silicon grease on the internal surface of the silicon hood (see Fig. 23).
3. Tighten the bars to the poles of switches using dynamometric key (35Nm) and screws of the
insulating material M16 + belleville washer (Fig. 22) provided with the modules.
4. See the drawing in Fig. 26 to connect everything correctly
5. Earth connection between the modules is carried out by connecting the points E to each other
by the means of cupper bar which is supplied among the other module accessories.
Fig. 21
Fig. 22
Fig. 23
Silicon grease
Power bar
Power bar
Switch’s pole
Insulated M16 screw
Belleville washer
Silicone hood
Summary of Contents for QMT Series
Page 1: ...Y4419D 01GF 18W12 QMT Manuale installatore Installation manual ...
Page 2: ...2 IT UK ITALIANO 3 ENGLISH 45 QMT ...
Page 15: ...Quadri Media Tensione QMT Manuale installatore 15 Tipo 2 Tipo 3 Tipo 4 ...
Page 44: ......
Page 57: ...Medium voltage switchgear QMT 57 Installation manual Type 2 Type 3 Type 4 ...
Page 86: ...86 Notes ...
Page 87: ...87 ...