G3PX-EH(N) is a single-phase power adjuster with heater disconnection detection function. It controls multiple heaters through phase control. The appearance includes single heater disconnection detection type and multiple heater disconnection detection type. The product has optional CT unit and power device box, suitable for different specifications of loads.
This manual describes the Omron G3PX‑EH(N) series of single‑phase power adjusters, which detect heater breakage by phase control. It covers product selection, general precautions, technical guidelines, and detailed operation procedures, including the use of CT units and power device boxes.
The document also lists performance data such as rated voltage, frequency, input and output ranges, soft‑start times, and weight for each model variant. Installation steps, optional accessories, and troubleshooting tips are provided to help users configure and maintain the device safely. This manual is written in Chinese.
| Rated Voltage | AC100/110V, AC200/220V |
|---|---|
| Frequency | 50/60 Hz |
| Input Signal Voltage | DC5 ~ 24 V (impedance ≈20 kΩ) |
| Output Voltage Adjustment Range | 0 % ~ 95 % |
| Weight (G3PX‑220EH) | ≈1.1 kg |
The EHN series can monitor up to five heaters and detect a break in one of them.
It requires an ON/OFF input voltage of DC5 to 24 V with an input impedance of about 20 kΩ.