1pcs DDS238-4 30-100Single Phase DIN-rail Kilowatt Hour kwh Meter 220V 100A 220V Single Phase DIN-rail Kilowatt Hour kwh Meter Rate Voltage:220V 230V 240V Rate Current:30(100A) Accuracy Class:Class 1 Starting Current:0.4%lb Insulation Performance:AC voltage 2KV for 1 minute,impulse voltage 6KV 33mm standard DIN rail installation,complying with standard DIN EN5002