11.6 Surge Absorbers
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11.6 Surge Absorbers
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 the surge voltage.
Applicable surge absorber models are the S2-A-O and S1-B-O. Fig. 11.6-1 shows their external dimensions.
These products are available from Fuji Electric Technica Co., Ltd.
■ Type: S2-A-O (for magnetic contactors (MC))
■ Type: S1-B-O (for miniature control relays, timers)
Fig. 11.6-1 Surge absorber dimensions
Parts available from Fuji Electric Technica Co., Ltd.
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