Attributes . 100 kA Icu 230/240 V AC 50/60 Hz IEC 60947-2 || 100 kA Icu 400/415 V AC 50/60 Hz IEC 60947-2 || 4 kA Icu 690 V AC 50/60 Hz IEC 60947-2 || 10 kA Icu 500 V AC 50/60 Hz IEC 60947-2 || 20 kA Icu 440 V AC 50/60 Hz IEC 60947-2 . Names