The Tenmex TFS10/120-K is a 3-phase AC power meter with a built-in time-of-use technology. It is designed for use in industrial and commercial environment, both indoor and outdoor. The meter is compatible with all 630-series panelboards and other systems. The TFS10/120-K is equipped with a pulse output port that interfaces directly with a PC or other equipment. It accurately measures both active and reactive energy flow, and also allows monitoring of energy use. The meter also provides a 2-way Modbus communication port with up to 8 slaves. This allows users to set up and monitor their energy usage remotely.