The OMRON H3CA Solid-State Timer is a digital set multi-mode/multi-range solid-state timer with a wide range of 0.1 sec to 9990 hours in a compact, 1/16 DIN plug-in unit. Easy-to-read LCD time remaining bar graph and output status indicators. Many control modes to match most applications. Thumbwheel switch selects time unit, control mode, and time limit setting. Wide supply range. Timer is UL Recognized and CSA Certified.
This document explains how to install, wire, and operate the Omron H3CA solid‑state timer. It includes safety recommendations, a glossary of input types, and detailed pin configurations for the timer's internal relays. The timer offers a wide timing range, multiple operating modes, and clear LCD indicators.
The manual also contains application examples for each mode, wiring diagrams for both AC and DC supply voltages, and warranty information. It is intended for qualified personnel who will integrate the timer into control circuits according to NEC and local codes.
| Time delay range | 0.1 sec to 9,990 hours |
|---|---|
| Repeatability | +/- 0.3%, +/- 0.05 seconds |
| Reset time | 0.5 sec max |
| Operating voltage | 24 to 240 VAC or 24 to 240 VDC |
| Power consumption | AC 3 VA or DC 3 W |
| Frequency | 50/60 Hz |
| Relay life | 10,000,000 operations |
| Dielectric strength | 2,000 volts RMS at 50/60 Hz |
| Operating temperature | -14 to 131 °F |
| Humidity range | 35 to 85% RH |
| Termination | 11‑pin plug |
| Mounting options | Panel, track, surface |
The timer’s reset time is specified as 0.5 seconds maximum.
It can be powered from 24 to 240 VAC or 24 to 240 VDC.
The internal relay is rated for 10,000,000 mechanical operations.
The timer works from –14 °F to 131 °F and 35 % to 85 % relative humidity.