NG125, Thermal-magnetic circuit breaker, NG125L, 4p, 50A, curve D. Device application: distribution - product range: NG125 - range: Acti 9 - product name: NG125 - product or component type: miniature circuit breaker - position neutral: left - network type: AC, DC - trip unit technology: thermal-magnetic - breaking capacity: 100 kA Icu conforming to EN/IEC 60947-2 - 220...240 V AC 50/60 Hz , 15 kA Icu conforming to EN/IEC 60947-2 - 500 V AC 50/60 Hz, 36 kA Icu conforming to EN/IEC 60947-2 - <= 500 V DC, 40 kA Icu conforming to EN/IEC 60947-2 - 440 V AC 50/60 Hz, 50 kA Icu conforming to EN/IEC 60947-2 - 380...415 V AC 50/60 Hz.