Over-voltage monitoring relays

Tripping current: 30, 6, 10 A
Trigger voltage: 220 V - 415 V

The 70 Series comprises a range of multifunction devices that allow monitoring of undervoltage and overvoltage, phase sequence and phase failure. Features include (according to Type): • Multifunctional types, providing the flexibility ...

The multifunctional measuring relay UG 9400 of the VARIMETER PRO series allows easy parameter setting, monitoring and diagnosis via a Modbus RTU interface. The measuring relay simultaneously monitors up to 9 different measured ...

Trigger voltage: 1,000 V

The measuring relay UG 9831 of the VARIMETER series monitors overvoltage, undervoltage and voltage range in DC voltage systems. Early detection of impending failtures and preventive maintenance prevent costly damage and as a user you ...

The space saving phase monitor RK9872/800 from the Varimeter family monitors under- and overvoltage as well as phase sequence in 3-phase systems. Your Advantages • Reliability monitoring of 3- or 1-phase voltage systems on: - ...

Tripping current: 0.2, 4 A
Trigger voltage: 195 V - 253 V

The EUW 3 supervises three-phase networks on under and overvoltage, in which both switching points can be independently adjusted by each other. Overranging has to be avoided. The supervision is separately carried out for every phase so ...

Trigger voltage: 42, 24, 115, 230 V

This is a Klaschka relay for under voltage and over voltage protection. This unit regulates voltages in either DC or AC circuits provided the differentiation of power is just right for its maintaining capacity. It monitors power in dry ...

Chordn’s three-phase monitoring relays HMPB7 series are mainly used to monitor the phase sequence, phase loss and over-undervoltage of power supply system. The width of these monitoring relays is 35.5mm and standard 35mm DIN rail ...

• Undervoltage, overvoltage and frequency monitoring of AC/DC systems 0…300 V • Various monitoring functions selectable U, f • Adjustable start-up delay, response delay and delay on release • Password protection for device setting • ...

• Undervoltage, overvoltage and frequency monitoring of AC/DC systems 9.6…150 V (VME421H-D-1), 70…300 V (VME421H-D-2) • Integrated energy storage, is supplied by the system being monitored • Various monitoring functions selectable U, ...

• Undervoltage, overvoltage and frequency monitoring in 3(N)AC systems 0…500 V • Various monitoring functions selectable U, f • Asymmetry, phase failure and phase sequence monitoring • Adjustable start-up delay, response delay and ...

Trigger voltage: 415, 220, 380, 400 V

Control relay for monitoring of correct phase sequence, phase break and undervoltage. Connection to 3-phase mains supply with or without neutral. Fixed limits for energizing and de-energizing the single or double output relay. LED ...

The MS2V67-S Series relay is a three pole voltage monitoring relay with four stages of adjustable voltage pick up & drop out points. Each voltage set point can be set for under or overvoltage operation & has an independent time ...

Trigger voltage: 208 V - 480 V

The SM 175, which is manufactured by GIC, is a voltage monitoring device that is suitable to use in controlling the sequence of three phases, and its supply voltage. The unit has a compact design, and has a modifiable time delay function. ...

The product is composed of Voltage Monitoring Relays which are developed by entes. They are specifically designed for the protection of the motors and networks from undervoltage situations and overvoltage situations. They also protect ...

The Model 269 Over and Under 3-Phase Monitor continuously monitors 3-phase lines for high voltage, low voltage, phase loss or phase reversal. This device features a solid-state voltage and phase-angle sensing circuit, which drives a SPDT ...

Trigger voltage: 80 V - 540 V

he Model 269R Over & Under 3-Phase Monitor continuously monitors 3-phase lines for high voltage, low voltage, phase loss or phase reversal, and an adjustable .3 - 5 minute restart delay. This device features a solid-state voltage ...