Ex-Modex Automation, 8 pin plug-in, delay on energisation timer. TR25P ('preset') variants had a recessed (screwdriver adjustable) time setting potentiometer. AC supply variants were discontinued in Jan. 2000, DC variants in Jan. 2003.
Sales Bulletin, DC supply models (ms5327)
TR24, TR26, TR27 - Discontinued special variants of the TR25