Trusted Experience: Over 50 Years of Innovation.

  • Electrical Protection Relays, Pump Protection Relays, Voltage Protection Relays

    Fasealert-3: Three phase Voltage Monitor Relay

    Protects motors and three-phase equipment of any capacity and for all types of starters against low voltage, phase failure, voltage imbalance, and reverse sequence.

  • Electrical Protection Relays, Pump Protection Relays, Voltage Protection Relays

    Fasealert-3 Plus: Three phase Voltage Monitor Relay

    Protects three-phase motors and equipment of any capacity against high and low voltage, phase failure, voltage imbalances, and reverse sequence. Allows adjusting high and low voltage, connection and disconnection delays.

  • Electrical Protection Relays, Pump Protection Relays, Voltage Protection Relays

    Fasealert-3 Digital: Three Phase Voltage Monitor Relay

    Protects three-phase motors and equipment of any capacity against high and low voltage, phase failure, voltage imbalances, and reverse sequence. The display shows the 3 voltages, max/min voltage, settings, and fault memory, with an output for a voltage recorder.

  • Electrical Protection Relays, Pump Protection Relays, Voltage Protection Relays

    Fasealert-3 Plus Single Phase: High/Low Voltage Relay

    Protects single-phase motors and equipment of any capacity against high and low voltage. Allows adjusting high and low voltage, connection and disconnection delays.

  • Electrical Protection Relays, Surge Protection Devices, Voltage Protection Relays

    PD Series: Surge Arrester

    Protects single-phase and three-phase equipment against voltage spikes and electrical discharges in the lines caused by lightning and voltage peaks due to transients.

  • Electrical Protection Relays, Overload / Underload Protection Relays, Pump Protection Relays, Voltage Protection Relays

    Motor Monitor®: Voltage and Current Fault Protection Relay

    Protects motors and pumps against low and high voltage, phase failure, imbalance, reverse rotation, overload, underload, low suction, frequent starts, and more. Its display shows voltages, currents, faults, and settings.

Nassar Electronics