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The type ST34a03 poly-phase meters provide a cost-effective solution for measuring active energy consumption in commercial and light industry applications. These meters offer the advantages of leading edge electronic metering technology, anti-tamper features and security data as standard. The meter can be supplied with either Class1.0 or Class 2.0 as defined by IEC 62053-21. This meter conform to IEC62053-21, IEC62052-11. Key features： 2-phase 3-wire network or 3 phase 4-wire network 3x127/220V[...]