On Sun, 3 May 2009, Til128 at aol.com wrote: > Has anyone seen or have the smallish, Sigma, octal pin relays? > How about a part #? > They had replaceable contacts. I have a Potter & Brumfield MDP-4031 which is about ice cube size with an octal base. Also a Potter & Brumfield (AMF) MDP-4040-1 which has a base like a 255-A relay.