AL7 (DZ50-63) is applicable of AC 50/60 Hz, rated voltage 230(single pole) / 400V(else), rated current to 63A. It complies standard IEC60898.
Klockner moller series MCB, include:
AL7 1P
AL7 2P
AL7 3P
AL7 4P
Current: 1A 2A 3A 4A 6A 10A 16A 20A 25A 32A 40A 50A 63A