11.3 Peripheral Equipment
11-23
Chapter 11 SELECTING PERIPHERAL EQUIPMENT
11.3.4 Surge absorber
A surge absorber absorbs surges or noises generated by a magnetic contactor (MC) or solenoid valve in
the power system to effectively protect electronic equipment in the panel from malfunctions or breakdown.
Installed parallel to a coil of an MC, solenoid valve, or L load, a surge absorber absorbs a surge voltage.
Applicable surge absorber models are the S2-A-O and S1-B-O. Figure 11.3-4 shows their external
dimensions.
These products are available from Fuji Electric Technica Co., Ltd.
Figure 11.3-4 Dimensions of Surge Absorber
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