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 60 Hz reference voltage/frequency

Class 1.0 (IEC), Class A or B (MID) 

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

LCD display or drum-register display

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

Low self-consumption and long life operation

Polycarbonate case

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

Measurement of active (kWh)

Total or separated energy registers for import and export

Measurement Modes (option)

3 Phase 3 Wire

3 Phase 4 Wire

2 Phase 3 Wire

Tamper function(Option)

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

Communication port(Option): Optical port or RS485

Tamper proof (optional)：

Normal condition with partial pass by of phase line

Phase and/or neutral current reversed

Phase Sequence Reversal

Bypassing Current Coil

Current Reversal in Current Coil

Missing Potential

Missing Current

Missing neutral

Tamper Indication with occurrence date and time stamping

Etc.