1,DIN Rail mounted power meter 2,6+1 or 5+2 ... FUNCTIONS AND FEATURES♦35mm standard DIN-rail installation or front board setting, complying with standard DIN EN50022,or front board setting ... standard IEC62053-31 and DIN43864.♦Three LED instructions power supply state,signal of energy impulse and communication state.♦There ... can make according to your special requirements. DIN rail digital power meter