Arc fault protection device (AFDD) 3P+N 63A PROxima EKF afdd-4-63-pro

UZDP 3P+N PROXIMA from EKF is an intelligent protection for three-phase 380-415 V circuits against fires caused by arc fault. The device instantly recognizes a dangerous arc by current shape and high-frequency signals and disconnects the line in fractions of a second. It also reacts to overvoltage. Connection — power from the top to terminals N, 1, 3, 5. Screw tightening torque — up to 3 N·m. The front panel features LED indicators denoting the cause of tripping. Compatible with comb and U-shaped busbars, complies with GOST IEC 62606, operates at –25…+40 °C, has IP20 protection class, service life — 20 years, warranty — 7 years.