The RNPP-301 voltage monitoring relay is designed for protection of three-phase loads against major types of main faults. RMS voltage reaching beyond admissible thresoldsphase sequence order violation and phase coincidenceviolation of the mains voltage phase completness and symmetryThe device performs monitoring main circuit parameters and de-energizes load when the parameters fall beyond specified boundaries. The front panel LEDs display followi..
Three-phase voltage and phase monitoring relay designed to protect of three-phase loads against major type of mains faults, as:RMS voltage reaching beyond admissible thresoldsphase sequence order violation and phase coincidenceviolation of the mains voltage phase completeness and symmetryThe device performs monitoring the main circuit parameters and de-energizes load when the parameters fall beyond specified boundaries. The three-digit, sev..
The RNPP-311M voltage monitoring relay is designed for protection of three-phase loads against major types of main faults. RMS voltage reaching beyond admissible thresoldsphase sequence order violation and phase coincidenceviolation of the mains voltage phase completness and symmetryThe device performs monitoring main circuit parameters and de-energizes load when the parameters fall beyond specified boundaries. The front panel LEDs display follow..