The WSD-43A of Wisdom is a class 0.5, three-phase electronic meter. The major physical comprises cover, communication module, meter circuit board and base. The meter complies with ANSI C12.18、C12.19 & C12.21 communication protocol, supports active, reactive, apparent, power factor and maximum demand records ,provides multifunction such as power measurement, 6-tier 4-seasion and 2 special days TOU energy record and processes relative energy and meter data. The WSD-43A meter offers high quality, reliable, accurate energy measurement performance.

• Class 0.5 accuracy.

• Low starting watts captures energy consumption at levels typically not registered by electromechanical meters.

• Low burden minimizes utility system losses, Immunity to Surge Voltage: 6kV.

• Six configurable metered energy quantities supporting Bi-directional metering.

• Support for up to 6-tier, 4-season, 2 special days TOU energy with critical tier pricing.

• 1 demand register with 1-, 15-, 30-, or 60-minute block demand for kWh.

• Maximum 6 channel interval data recording (15-, 30- or 60-minute) with EOI energy snapshot.

• Load profile

• Real-Time Clock and Calendar