| Brand | Rw Energy |
| Model NO. | Smart Power Capacitors fully integrated low-voltage reactive power compensation devices |
| Rated voltage | 450V |
| Rated frequency | 50/60Hz |
| Rated capacity | 20KVA |
| Series | RWZN |
Smart power capacitors are fully integrated low-voltage reactive power compensation devices combining:
This all-in-one structure replaces multiple traditional components such as reactive power controller, fuses/MCBs, thyristor switches/contactors, thermal relays, indicator lamps, and stand-alone power capacitors.
Each unit operates as an independent smart compensation module and can be deployed individually or networked into a complete compensation system. It supports both three-phase compensation and mixed three-phase + split-phase compensation, making it adaptable to different load conditions.
Designed with advanced sensing, electronics, IoT networking, and power electrical technologies, smart capacitors provide a compact, standardized, intelligent, and highly reliable solution that significantly improves compensation efficiency and reduces installation and operational complexity.
They redefine the traditional structure of low-voltage reactive power compensation equipment, greatly enhancing system reliability, extending service life, reducing production and maintenance costs, and enabling future-oriented power quality management.
Product Introduction
Smart capacitor modules integrate:
Replacing multiple discrete components such as controllers, fuses/MCBs, thyristor/contactor switches, thermal relays, etc., each unit forms a fully independent and intelligent PFC module.
Supports:
With advanced electronic sensing, network communication, and modular electrical design, the device provides:
This new generation of reactive compensation solution modernizes low-voltage power factor improvement and power quality control.
Model Dimensions
| Model | Height (mm) |
|---|---|
| RWZN/450-20.20 | 310 |
| RWZN/450-20.10 | 310 |
| RWZN/450-10.10 | 270 |
| RWZN/450-10.5 | 225 |
| RWZN/450-5.5 | 225 |
| RWZN/450-5.2.5 | 225 |
| RWFB/250-20 | 270 |
| RWFB/250-10 | 225 |
Width and depth are consistent across models; only height varies.
Display Interface (LCD HMI)
Supports Chinese & English switching
| Display Item | Description |
|---|---|
| Voltage (A/B/C) | Real-time measured phase voltage |
| Power factor | Compensation performance indicator |
| Reactive power | Measured kvar values |
| Secondary current | CT based measurement |
| Communication address | Device networking identifier |
| Harmonic voltage | Total harmonic distortion (V) |
Protection alarms (with text display):Over-voltage / Under-voltage / Over-temperature
Installation Requirements
Mounting Method
Key Benefits Summary
| Benefit | Description |
|---|---|
| Plug-and-play | No additional controller or switching device required |
| Integrated protection | Thermal + harmonic + over/under-voltage |
| Modular expansion | Add modules anytime for higher kvar |
| Multi-compensation mode | Three-phase / split-phase hybrid |
| Long capacitor life | Self-healing + zero-cross switching |
| Smart networking | Supports coordinated multi-unit control |
