| Parameter | Value |
| Operating Voltage | 140V-300VAC V(L-N) |
| Operating Frequency | 50 / 60 Hz |
| Operating Power | <6VA |
| Operating Temperature | -20°C…..55°C |
| Weight | <210Gr |
| Connection | 3-Phase + N |
| Protection Functions | Over/Under Voltage |
| Supply Voltage | |
| Phase Sequence | |
| Phase Absance | |
| Neutral Absance | |
| Over Voltage | 230V-300VAC V(L-N) |
| Under Voltage | 140V-210VAC V(L-N) |
| Delay Time | 0.1sec – 20sec |
| Reset Time | 0.1sec – 20sec |
| Display | 4 LEDS |
| Contact | 1NO+1NC |
| 5A/250VAC | |
| Protection Class | IP20 |
| Connection Type | Terminal Connection |
| Cable Diameter | Max2.5mm² |
| Mounting | DIN Rail Mounting |
| Working Altitude | <2000 meter |
The 3 phase voltage protection relay 3ph n is a simple and reliable device used to protect electrical systems from voltage problems. It checks all phases and reacts fast when a fault appears. As a result, it keeps motors and panels safe. In addition, the relay works well in many control systems and industrial panels.
Features of the 3 phase voltage protection relay 3ph n
This relay watches the voltage of L1, L2, L3, and Neutral. It reacts when the voltage becomes too high or too low. Moreover, the relay protects machines from phase loss or phase reversal. Because of its fast response and strong build, it works well in hot, dusty, and heavy-duty environments. In addition, the clear indicators help technicians understand the status easily.
How the Relay Works
The device measures the voltage of the three phases. If it finds a dangerous value, it stops the machine. Next, it waits until the voltage becomes normal again. After that, it allows the system to start. As a result, the equipment stays safe from damage. Moreover, the relay does not need complex setup. The simple design makes it easy for new users to understand.
Applications
-
Motors and pumps
-
HVAC compressors
-
Water systems
-
Industrial automation panels
-
Generators
-
Distribution boards
Benefits
This 3 phase voltage protection relay 3ph n improves safety and reduces system failures. It keeps the machine safe from high voltage, low voltage, and missing phases. In addition, the compact size saves space inside panels. The relay is easy to install and easy to maintain. Moreover, the strong shell protects the internal parts from dust and heat. As a result, the device works for many years without problems.
For related products, you can also check our Push Button 22mm – MPB Series:
https://www.vteke.com.tr/push-button-22mm-mpb-series
To learn more about voltage protection standards, visit:
https://www.iec.ch






