1. Only operational with correct power source voltage and phase sequence 2. Suitable for main power source and motor starter circuit to prevent damage from insufficient phase or phase reversal 3. Out

1. 3-phase voltage and fault detector 2. Can detect abnormal condition to prevent damage to the equipment 3. Auto shut-off while detecting excessive or insufficient voltage, range from 5% to 20% vari

1. Digital 3-phase voltage and fault detector 2. Over voltage detection - 0.1sec~10sec adjustable tripping delay 3. Under voltage detection - 0.1sec ~10sec adjustable tripping delay 4. Phase-loss det

1. ТОЛЬКО ДЕЙСТВУЮЩИЙ С ПРАВИЛЬНЫМ СИЛОВЫМ ИСХОДНЫМ НАПРЯЖЕНИЕМ И ФАЗОЙ ПОСЛЕДОВАТЕЛЬНОСТИ 2. ПРИГОДНЫЙ ДЛЯ О

1. НАПРЯЖЕНИЕ 3- ФАЗЫ И ДЕФЕКТА ДЕТЕКТОРА 2. МОЖЕТ ОБНАРУЖИТЬ АВАРИЙНОЕ УСЛОВИЕ, ЧТОБЫ ПРЕДОХРАНЯТЬ УЩЕРБ В ОБО�

1. ЦИФРОВОЕ НАПРЯЖЕНИЕ 3- ФАЗЫ И ДЕФЕКТА ДЕТЕКТОРА 2. НАД НАПРЯЖЕНИЕМ ОБНАРУЖЕНИЯ - РЕГУЛИРУЕМОЕ ОТКЛЮЧЕНИЕ ЗАД

1. Only operational with correct power source voltage and phase sequence 2. Suitable for main power source and motor starter circuit to prevent damage from insufficient phase or phase reversal 3. Out

1. 3-phase voltage and fault detector 2. Can detect abnormal condition to prevent damage to the equipment 3. Auto shut-off while detecting excessive or insufficient voltage, range from 5% to 20% vari

1. Digital 3-phase voltage and fault detector 2. Over voltage detection - 0.1sec~10sec adjustable tripping delay 3. Under voltage detection - 0.1sec ~10sec adjustable tripping delay 4. Phase-loss det