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：

l          2-phase 3-wire network or 3 phase 4-wire network

l          3x127/220V 60 Hz reference voltage/frequency

l          Class 1.0 (IEC), Class A or B (MID) 

l          5A, 10A, basic current, 100A maximum current 

l          LCD display or drum-register display

l          Display configurable to show 5, 5+1, 6 and 6+1 integer/decimal digits

l          Low self-consumption and long life operation

l          Polycarbonate case

l          Terminal cover: Long or short (Non-transparent or transparent)

l          Measurement of active (kWh)

l          Total or separated energy registers for import and export

l          Measurement Modes (option)

n          3 Phase 3 Wire

n          3 Phase 4 Wire

n          2 Phase 3 Wire

l          Tamper function(Option)

l          Cover open alarm(Option): meter cover or terminal cover

l          Communication port(Option): Optical port or RS485

Tamper proof (optional)：

l          Normal condition with partial pass by of phase line

l          Phase and/or neutral current reversed

l          Phase Sequence Reversal

l          Bypassing Current Coil

l          Current Reversal in Current Coil

l          Missing Potential

l          Missing Current

l          Missing neutral

l          Tamper Indication with occurrence date and time stamping

l          Etc.