The HiVoltguard is an Over -Voltage protection device rated at 5 Amps. The HiVoltguard will disconnect if the mains go above the upper limit and re-connect auto matically after the supply returning and remaining below the upper Limit for the duration of the wait time. The disconnect and re-connect levels and the wait time are marked below.

The Fridgeguard is an Onder-Voltage protection device rated at 5 Amps. The Fridgeguard will disconnect if the mains go below the lower limit and re-connect automatically after the supply returming and remaining above the lewer limit for the duration of the wait time. The disconnect and re-connect levels and the wait time are marked below.