Empty housing ZA111-ZA115Empty housing ZF111-ZF115. Meter form: 3.HZ Number of fields: 1 Number of distributor rows: 2 Number of tariff positions: 1 Network-side connection space (NAR): top hat rail suitable for: Empty housing ZA111-ZA115Empty housing ZF111-ZF115 Equipment: 1x PE-N plug-in terminal