The H3CA8AC100110120 is a solid-state timer from the H3CA-8 series, configured for ON-delay operation. This specific model operates on a rated supply voltage of 100/110/120 VAC at 50/60 Hz, with an operating range of 85% to 110% of the rated voltage. It features DPDT time-limit contacts and allows for digital time setting from 0.1 seconds up to 9,990 hours using thumbwheel switches. An LCD display provides a bar graph indicator for the remaining time, and the unit has a maximum reset time of 0.1 seconds. Designed for flush or track mounting via an 8-pin round socket, it is well-suited for industrial control systems and automation panels where reliable and precise timing is essential.