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- True RMS measurement
- Over / Under voltage monitoring
- Phase Asymmetry monitoring
- Phase Sequence monitoring
- Phase failure monitoring
- Adjustable Over / Under voltage setting
- Real time L-L voltage & Fault display
- LCD back-lit display
- Test trip function
- Selectable Auto / Manual reset function
- Adjustable Start / Reset time delay
- Din-railed mount
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Technical data
Measurement True RMS Ampere
Rated Voltage supply 125 ~ 300Vac ±10%(3 phase 4 wire),
200 ~ 500Vac ±10%(3 phase 3 wire)
Rated frequency 45 ~ 65Hz
Output Contact 1 C/O contact
Contact Rating AC-15 240V/1.5A, 415V/0.95A
Weight approx. 90g
Operating temp. -5°C ~ +40°C
Storage temp. -10°C ~ +55°C
Enclosure Protection IP20
Standard EN/IEC 60947-5-1
Setting Range
Over Voltage setting OFF/221 ~ 300Vac ±1%(3 phase 4 wire),
OFF/381 ~ 500Vac ±1%(3 phase 3 wire)
Over voltage delay 0.1 ~ 20sec (0.1 sec step)
Under Voltage setting OFF/150 ~ 219Vac ±1%(3 phase 4 wire),
OFF/260 ~ 379Vac ±1%(3 phase 3 wire)
Over voltage delay 0.1 ~ 20sec (0.1 sec step)
Asymmetry OFF/5% ~ 20% ±1%(1% step)
Asymmetry delay 0.1 ~ 20sec(0.1 sec step)
Phase sequence ON/OFF
Start/Reset delay 0.3 ~ 30sec(0.1 sec step)
Auto-reset ON/OFF
