This document is a technical guide on timers/time switches, which introduces the definition, structure, and various action modes of timers. It provides detailed information on the features and functions of the H3CR-A model timer.
This manual provides comprehensive technical information for the Omron H3CR-A timer/time switch, covering its definition, operation principles, and the various action modes it supports. It is intended for service engineers and technicians who need to install, configure, and maintain the device.
Key sections include a terminology guide, detailed descriptions of the four basic action modes, terminal configuration, installation instructions, usage precautions, and reference tables for voltage and surge‑current specifications. Safety notes and recommended wiring practices are also included. This manual is written in Chinese.
| Model | H3CR-A |
|---|---|
| Power Supply Voltage (DC) | 0 – 125 V |
The timer can be powered with DC 0 – 125 V (or AC 200 – 240 V for certain variants).