ABB 2CSM110128R1041 SCL 1/40 Scale for analogue ammeter

SCL 1/40 is a scale for analogue ammeter employed in ac networks. 40A high full scale

ABB 2CSM110107R1041 SCL 1/30 Scale for analogue ammeter

SCL 1/30 is a scale for analogue ammeter employed in ac networks. 30A high full scale