Relay for monitoring AC voltage in a 3-phase network 3 (N) - 400/230 V.
Supply voltage = supervised voltage. Overload capacity ≥1.2 Un. Output - 1 changeover contact. Rated voltage 3(N) ̴400/230V AC 50/60 Hz. Relay performing the functions LOST D - phase loss supervision, ASYM D - asymmetry supervision. Unbalance ranges - fixed set point: 55 V.