Three-phase voltage relay 3P+N ammeter overvoltage and undervoltage relay

Specifications： Its main feature is when the circuit has over-voltage or under-voltage problems, the product can cut off the power supply instantaneously to protect the electrical equipment from being damaged, besides,the can automatically turn on the power supply when the circuit voltage returns to the normal. features: 1.Over-voltage protection 2.Under-voltage protection 3.Automatic recovery 4.Voltage display(voltage measurement) 5.Three-phase ampere unbalance protection 6.Phase sequencefor protection (reverse phase protection) 7. line break protection 8.Phase failure protection 63A without N 380V for 3 Phase, L1 L2 L3 All display 380V Product Parameters: 1.Power supply:3*230V / 400V AC 50/60Hz 3.Max.Loading power:63A 3.Over-voltage protection value range:230V~300 Adjustable (default:270V) Over-voltage recovery value range:225V~295V (default 265V) Over-voltage protection time:0.1~30 second （default 1） 4.Under-voltage protection value range:140V~210V Adjustable (default:170V) Under-voltage recovery value range:145V~215V (default 175V) Under-voltage protection time:0.1~30 second （default 1S） 5.3 phases volt unbalance protection value:5-95V adjustabe OFF 6.Delay time after power-on:1~500 second (default:10s) 7.Recovery delay time : 1~500s(default:30s) 8.Installation:35mm DIN rail Package includes: 1 * voltmeter