1. AC rated voltage: AC 230V 50/60Hz2. Current: 40/63/80A3. Disconnection capacity: over-voltage 221-300V, under-voltage 150-219V (adjustable)4. Over-voltage protection value range: 221-300V5. Under-voltage protection value range: 219-150V6. Size: about 8.5x4.8x3.6cm7. Weight: about 180gFeatures:1. Over-voltage protection2. Under-voltage protection3. Voltage display (voltage measurement)4. The over-voltage protection value is adjustable5. Adjustable over-voltage recovery value6. The over-voltage protection action time is adjustable7. Adjustable under-voltage protection value8. The under-voltage recovery value is adjustable9. The action time of under-voltage protection is adjustable10. The fault recovery delay time is adjustable11. Adjustable delay time after power-on12. Reset method selection13. Troubleshooting14. Factory resetSpecification: Package Weight One Package Weight 0.18kgs / 0.40lb One Package Size 10cm * 4cm * 8cm / 3.94inch * 1.57inch * 3.15inch Qty per Carton 140 Carton Weight 30.00kgs / 66.14lb Carton Size 51cm * 20cm * 41cm / 20.08inch * 7.87inch * 16.14inch Loading Container 20GP: 637 cartons * 140 pcs = 89180 pcs40HQ: 1480 cartons * 140 pcs = 207200 pcs