Components

The E1YF400V01 0.70 is a voltage monitoring relay designed for three-phase systems with a neutral connection. It provides reliable protection by continuously monitoring each phase for undervoltage conditions. Operating at a nominal voltage of 400/230V AC, the relay has a fixed switching threshold set at 161V (L-N), corresponding to 70% of the nominal voltage. With…

The E1YF400V01 0.85 is a voltage monitoring relay designed for three-phase systems, ensuring equipment protection by monitoring undervoltage conditions. Operating at a nominal voltage of 400/230V AC, it monitors each phase against the neutral wire. The relay has a fixed switching threshold set at 195.5V (L-N) with a hysteresis of approximately 5%, providing consistent undervoltage…

​The E1YF400VT01 0.85 is a voltage monitoring relay designed to ensure the stability and safety of three-phase systems by monitoring each phase against the neutral wire. Operating at a nominal voltage of 400/230V AC, it features a fixed switching threshold set at 195.5V (L-N) with a hysteresis of approximately 5%, providing consistent undervoltage detection. The…

The K3UM230VAC02 is a single-phase voltage monitoring relay for 230V AC systems, offering overvoltage, undervoltage, and window monitoring. It features adjustable thresholds and hysteresis for precise voltage control, and includes two changeover contacts (250V AC, 5A) for reliable switching. With clear LED indicators and compact 11-pin socket mounting, it’s ideal for protecting sensitive equipment in…

The TELE K3UM24VDC02 is a DC voltage monitoring relay designed for reliable supervision of 24V DC systems. It offers two selectable monitoring modes: undervoltage and window monitoring, ensuring flexible protection depending on application needs. The relay features adjustable threshold values—minimum between 75–125% and maximum between 80–130% of the nominal voltage—along with configurable hysteresis for accurate…

– Monitoring relays VEO series – Multifunction – Phase sequence and phase failure monitoring – Supply voltage 400V AC – supply circuit = measuring circuit – 1 changeover contact – construction width 22,5 mm – compact industrial design

​The V4PF480Y/277VSYTK02 is a multifunctional three-phase monitoring relay designed to ensure the safety and reliability of electrical systems operating at 480Y/277V AC. It combines voltage and temperature monitoring capabilities, offering comprehensive protection against phase sequence errors, phase failures, asymmetry, overvoltage, undervoltage, and overtemperature conditions. The relay features adjustable thresholds and time delays, allowing customization to…