1. Power supply: 230V AC 50/60Hz2. Current: 40/63A3. Over-voltage protection value range: 230-300V4. Under-voltage protection value range: 210-140V5. Installation: 35mm DIN rail6. Material: ABS + electronic components7. Size: about 8.5x6.5x3.7cm8. Weight: about 184 gramsFeatures:1. Over-voltage protection2. Under-voltage protection3. Over-current protection4. Automatic recovery5. Adjustable recovery delay time6. Voltage display (voltage measurement)7. Current display (current measurement)Specification: Package Weight One Package Weight 0.19kgs / 0.41lb 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