Omron H5CN is a miniature DIN-sized (48 x 48 mm) Quartz timer with abundant series versions. Series version cover a wide range of rated times; 9.999 s, 99.99 s, 999.9 s, 99 min 59 s, and 99 hrs 59 min. Selection of elapsed time indication, remaining time indication, contact output, and transistor output types to suit requirements. Power supply freely selectable within a range of 100VAC to 240VAC, as well as 12VDC to 48VDC. A backup battery (Y92S-20) for memory backup or Y92A-48B protective cover is not required for the new H5CN models. The protective cover shields the front panel, particularly the time setting section, from dust, dirt, and water, as well as prevents the set value from being altered due to accidental contact with the time setting knob.