11.4 Surge Killers for L-load
11-15
SELECTING PERIPHERAL EQUIPMENT
Chap 11
11.4 Surge Killers for L-load
A surge killer absorbs surge voltage induced by L-load of an electro magnetic switch or solenoid valve. Use of a
surge killer is effective in preventing the electronic equipment, including inverters, from damage or malfunctioning
caused by such surges.
Install a surge killer near the power coil of the surge source. Connected to the inverter’s power source side, as
shown in Figure 11.4-1, a surge killer absorbs the surge voltage, preventing the electronic equipment, from
damage or malfunctioning. (Available rated capacity of nominal applied motors is 3.7 kW (5 HP) or less.)
Refer to the catalog “Fuji Surge Killers/Absorbers (HS118: Japanese edition only)” for details. These products are
available from Fuji Electric Technica Co., Ltd.
* Do not use the surge killer in the inverter secondary (output) line.
Figure 11.4-1 Dimensions of Surge Killer and Connection Example
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