Universal automatic electronic phase switch PEF-301. Switch is designed to supply industrial and household appliance single-phase 220V/50Hz loads from three-phase four-wire mains 3x380+N with the purpose of maintaning uninterrupted power supply of essential single-phase loads and protect them against unallowable voltage variations in the mains.Depending on the voltage presence and voltage quality on phases, the PEF-301 will automatically select t..
RN-101M voltage monitoring relay. The RN-101M voltage monitoring relay is designed to de-energize an industrial/appliance single-phase 220V/50Hz load in case of inadmissible voltage variations in the mains with subsequent automatic re-energizing after the circuit parameters recovery.Besides the relay:protect the switched load against high-frequency and high-voltage impulse interferencelimits load current up to 15A (load wattage of up to 3.5kW)ind..
The RN-102 single-phase voltage monitoring relay. The RN-102 voltage monitoring relay is designed to de-energize an industrial/appliance single-phase 220V/50Hz load in case of inadmissible voltage variations in the mains with subsequent automatic re-energizing after the circuit parameters recovery.Load is connected to the relay either directly via relay terminals or through a magnetic starter, depending on the wattage. The relay can operate in fo..
The RN-111M single-phase voltage monitoring relay. The RN-111M voltage monitoring relay is designed to de-energize an industrial/appliance single-phase 220V/50Hz load in case of inadmissible voltage variations in the mains with subsequent automatic re-energizing after the circuit parameters recovery.Load is connected to the relay either directly via relay terminals or through a magnetic starter, depending on the wattage. The relay can operate in ..
The RN-113 single-phase voltage monitoring relay. The RN-113 voltage monitoring relay is designed to de-energize an industrial/appliance single-phase 220V/50Hz load in case of inadmissible voltage variations in the mains with subsequent automatic re-energizing after the circuit parameters recovery.Load is connected to the relay either directly via relay terminals or through a magnetic starter, depending on the wattage. The relay can operate in fo..
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..