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The surge suppressor (Spike suppressor) is a device designed to protect electrical devices from voltage spikes. A surge suppressor attempts to limit the voltage supplied to an electric device by either blocking or by shorting to ground any unwanted voltages above a safe threshold.
For surge protection, you could refer to the surge arresters or SPDs (Surge Protective Device) range which can be found in the Acti 9 range, or to the surge suppressor TVSS (Transient Voltage Surge Suppressor) which can be found in the Multi 9 range (Square D) or the suppressers used with the TeSys series which are used to suppress the high voltage spike that is generated when a relay or contactor coil is de-energized like the RC Surge Suppressor (uses a resistor and a capacitor to reduce the surge where the capacitor is used to absorb the voltage spike and the resistor controls the rate of capacitor charging when the coil is turned off and to limit the coil’s inrush current when the coil is turned on).
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