Double-pole coupling with protective contact DC 10 A, AC 16 A, AC/DC 250 V, degree of protection IP56
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 03/01/2016

Double-pole cable couplings with earthing contact, 10 A d.c., 16 A a.c., 250 V, degree of protection provided by enclosure IP 56
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 06/01/1993