Thông Số Kỹ Thuật Rơ Le Bảo Vệ Dòng Rò Mikro - R301
- Numerical earth leakage relay
- Programmable current sensitivity and time delay
- Selectable fundamental or true RMS measurement
- Selectable 50 or 60 Hz frequency
- Detection of no connection to ZCT
- Relay trip indicator
- ZCT fault indicator
- 50% pre-fault indicator
- Leakage fault current recording
- Protected against nuisance tripping
- Non-volatile fault values recording up to 3 records
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