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.