... to 400V three-phase system and voltage up to 230V single-phase system, total current 63A and less than 63A of ... . Concealed Installation3.1.2 Divided according to users no.a. single line: 2, 4, 6, 8, 10, 12, 15, 18b. multi ... .1 Rated voltage: 230/4003.2.2 Rated current: Single line 63A, multi-line 125A3.2.3 Protective level: IP30;3.2.4 ...