EM341-5D is perfectly suitable for Residential, Commercial, and Industrial Applications (Low Voltage). The direct connection meter is used to measure energy consumption in 220 VAC, 50 Hz, and 5-100 Ampere, three-phase four wire power net. It contains an independent measuring element allowing consumed energy to be measured. There is a LED mounted on the front panel of the meter, pulsing at a rate of 1000 pulses per KWh or KVAr for energy registration.