SEG Current Relay IWU N 2-3 Over Current relay 3 phase Best

Protection Relay SEG IWU N 2-3

Application
Under- and over-frequency supervision of single or three-phase systems.

Function
The unit BF1 is equipped with an independent over (f) and under-frequency supervision (f) with separate adjustable pickup values and trip delays.
The measured frequency is continuously compared with the set reference values.
For frequency supervision the cycle duration is evaluated and so measuring is virtually independent on harmonics.
To avoid tripping during normal operation due to interference voltages, a fixed measuring repetition is used.

rate voltage Un 110V, 230V, 400 V AC
Technical Data please see brochure

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