Zhejiang Huaxing Electric RPC5IM Series Reactive Power Automatic Compensation Controller User Manual

About this manual

The RPC5IM series controller provides automatic reactive power compensation for low‑voltage distribution systems. It supports both RS485 and GPRS communication for remote monitoring and offers multiple control modes, parameter settings, and protection functions.

The manual describes key functions, technical specifications, wiring diagrams, communication setup, and fault diagnosis. It also explains how to switch between automatic and manual modes, configure voltage modes (220 V/380 V), and set capacitor capacities. This manual is written in Chinese.

What's inside

• Key Functions
• Technical Parameters
• Operation Modes
• Parameter Settings
• Indicator Light Explanation
• Pre‑set Parameters
• Fault Diagnosis and Troubleshooting
• Wiring Diagrams
• Communication Modes

Specifications

Frequently asked questions

How do I switch between automatic and manual mode?

Short‑press the key to toggle display or enter manual mode; long‑press (3 seconds) to enter or exit parameter preset mode.

How can I set the voltage mode for 220 V or 380 V?

Select the appropriate voltage signal in the controller settings and connect the corresponding terminals as shown in the wiring diagram.

Does the controller provide over‑voltage/under‑voltage protection?

Yes, it includes over‑voltage and under‑voltage protection functions.