3. Sensor installation
3.4 Installation of sensor alternative 1
Screws, nuts, sockets, washers and conductors are not supplied by ABB
unless specified.
Mount EXCOUNT-II (3) on surge arrester´s bottom flange (4) above insula-
ting base (5) according to figure 3.3.1. Do not place close to venting duct
(if any). Bolt joint (1) and (2) is supplied with ABB insulating base (5).
Fitting and tightening torque according to instructions supplied with
insulating base.
EXCOUNT-II is used as earth connection.
Connect earth cable with tinplated socket (7) according to figure 3.3.3.
Recommended screw: M12 (6)
Tightening torque for M12: 84 Nm, use washers
Figure 3.4.1
Figure 3.4.2
Top view
Figure 3.4.3
Side view
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