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 10⁷, DC; 5 x 10⁷ 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