DIN 49100
DIN 49100 Base for two-pole socket-outlets with earthing contacts 10 A 250 V d.c., 16 A 250 V a.c. and switches up to 16 A 250 V; mounting dimensions
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 11/01/1987
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 11/01/1987