11.3 Peripheral Equipment
11-22
11.3.3 Arrester
An arrester suppresses surge currents induced by lightning invaded from the power supply lines to
effectively prevent electronic equipment from being damaged. Common use of the grounding wire that is
used for electric equipment in the panel, with the arrester, is highly effective in preventing electronic
equipment from damage or malfunctioning caused by such surges.
Applicable arrester models are CN5132 for three-phase AC 200 V class series, and CN5134 for
three-phase 400 V class series. (CN523 series with 20 kA of discharging capability is also available.)
Figure 11.3-3 shows their external dimensions and connection examples. Refer to the catalog "Fuji Surge
Killers/Absorbers (HS165a: Japanese edition only)" for details. These products are available from Fuji
Electric Technica Co., Ltd.
Figure 11.3-3 Dimensions of Arrester and Connection Example
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