<p>1.Over-voltage protection</p> <p>2.Under-voltage protection</p> <p>3.Over-current protection</p> <p>4.Automatic recovery</p> <p>5.Voltage display(voltage measurement)</p> <p>6.Current display (current measurement)</p> <p>7.Wattmeter kWh Energy Meter Power Consumption</p> <p>8.Installation:35mm DIN rail</p> <p>Rated supply voltage:AC 220V</p> <p>Operation volatge:AC 80-400V(single phase)</p> <p>Rated frequency:50\/60HZ</p> <p>Kilowatt-hour protection value:1-9999\/OFF</p> <p>Rated current:63A(subject to product label)</p> <p>Reset \/start delay time:1-600s</p> <p>Voltage measurement accuracy:2%(not exceeding 2% of the overall range)</p> <p>Rated insulation voltage:400V</p> <p>Output contact:1NO</p> <p>Electrical life:100000</p> <p>Mechanical life:1000000</p> <p>Protection degree:IP20</p> <p>Pollution degree:3</p> <p>Operating temperature:-50-55</p> <p>Humidity:50% at 40 (without condensation)</p> <p>Storage temperature:-30-70</p> <p>Colour:As Shown</p> <p>Material:plastic</p> <p>Package Contents:</p> <p>1 x Adjust Voltage Relay</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>