Attributes . CLASS 0.5S ACTIVE ENERGY IEC 62053-22-CLASS 1 ACTIVE ENERGY IEC 62053-21-CLASS 2 REACTIVE ENERGY IEC 62053-23-CLASS C ACTIVE ENERGY EN 50470-3,CURRENT 0.3 0.5...6 A-CURRENT 0.5 0.1...1.2 A-VOLTAGE 0.3 50...330 V-VOLTAGE 0.3 80...570 V . Names