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

    Pump-Monitor: 3 Phase Motor & Pump Protection Relay

    Electronic overload relay that protects three-phase motors and pumps from 1 to 300 H.P. against overload, phase failure, rapid cycling, and low water level without the need for electrodes (low load). The display allows for easy adjustments and shows the three line currents, maximum current, and faults.

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

    Pump-Monitor: Single Phase Motor & Pump Protection Relay

    Electronic overload relay that protects single-phase pumps and motors from overload, rapid cycling, high/low voltage, and low water level (low load) without the need for electrodes. The screen displays voltage, current, power, and faults.

  • Electrical Protection Relays, Pump Protection Relays, Seal Leakage and Over Temperature Relays

    DFS-12: Seal Leakage and Over Temperature Relay

    Protects submersible pumps from seal leakage and high temperature. With sensitivity adjustment, manual or automatic reset, and fault memory.

  • 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