Please be advised that QwikSwitch, mains powered, devices are designed to operate of pure 220V 50Hz - Eskom supply.

This supply may vary in voltage and frequency by no more than 5%, any variations outside of this specification will void our warrantee.

UPS and backup power systems that generate 220v AC supply often make use of modified SINE wave generators, that result in unpure or noisy SINE waves that can cause severe damage to equipment. Please contact us should you wish to install any of our equipment under these conditions, we can then advise you on the correct remedial action.