EN 50022 (DIN 46277/3) and EN 50035 (DIN 46277/1). UL 94 - V2; IEC 695-2-1 to 850°C. Bases for Commoning Blocks. Bases for fixing commining blocks to DIN rail. Material: polypropylene, natural colour Maximum continuous operating temperature: 85°C Self extinguishing: UL 94 - V2; IEC 695-2-1 to 850°C