... detection of three-phase power in the phase sequence,phase sequence will cut off the power for reverse-phase.(2)Break ... phase protection:the power of any phase appears disconnected ... ,380V,415V,440V,480V 50/60HzOutput contact1C,5A 250VACConsumpation power≤2WWeight100gTemperature-10°C~+55°CRelative humidity45-85%RHInstallation basePF085A ...