• Phase Unbalance Protection • Phase Failure Protection • Phase Incorrect Sequence Protection Description Description • Phase Unbalance Protection • Phase Failure Protection • Phase Incorrect Sequence Protection Related products RelaysCurrent• Over Current Protection with IDMT Curve • Under Current Protection • Current Loss Protection • Current Unbalance Protection RelaysLiquid Level• Sensitivity Adjustable 1KΩ to 200KΩ • 3 Probes Electrodes RelaysUniversal Timer• Start Reset Microswitch • Sec Min Hour 9.99 99.9 999 • Cyclic On Off and Delay On Off