e Muller MR28.10PRO is a DIN Rail Mount 1-Channel Digital Timer with 20 functions. The four basic functions are pulse, wiping, delayed and clock generating. It has an adjustable time range from 0.1 seconds to 999 hours, with the shortest switching interval being 0.1 second. The high resolution LCD screen is clear and easy to read, with three lines showing, text menu, zero voltage and security query adjustable on power failure, pin coding and operating hours counter.