UL; C-UL recognised; VDE. 55 Series Relay. The Finder 55 series miniature relays for general purpose applications. Features ; Benefits. Test button and mechanical indicator. Ac/dc coils. Cadmium free contacts. Dimensions: H 39.5, W 20.6, D 27.5. Mechanical life: AC; 2 x 10 ;sup>7 ;/sup>, DC; 5 x 10 ;sup>7 ;/sup>. Operating temperature range -40 to +85°C. Wide range of accessories also available. Silver-Nickel Cadmium free contacts. Dust-proof RT I standard protection rating. For use with 94 series sockets