SRB 301MC Standards IEC 61508 IEC/EN 60204-1 ISO 13849-1 EN 60947-5-1 Climatic stress EN 60068-2-78 Enclosure material Glass-fibre reinforced thermoplastic, ventilated Material of the contacts, electrical AgSn0, Ag-Ni, self-cleaning, positive drive Gross weight 250 g SRB301MC-24V 1 ...