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Schneider Electric Egypt×
RC circuit (Resistive +capacitor) is an effective protection for circuits highly sensitive to "high frequency" interference. For use only in cases where the voltage is virtually sinusoidal. i.e. less than 5% total harmonic distortion. Voltage limited to 3 Uc max. And oscillating frequency limited to 400 Hz max. Slight increase in drop-out time (1.2 to 2 times the normal time).