3 Phase 20A Rectifier Charger from China Suppliers - Durable Factory Product with RS485 Integration
📋 Preface
Intelligent high-frequency switch power supply modules are specially developed to meet the demands of modern DC systems. The charger rectifiers are designed with world-leading patent technology — "resonant voltage type soft switching power supply technology" — featuring high efficiency and stability, intelligent control, small size, and light weight.
The products listed in this manual are the fifth generation, which are of higher working frequency, smaller size, and lighter weight compared with past products.
- Rated output voltage: 220V and 110V
- RS-485 interface — easy to work with automation systems
- Applicable for electric and relevant industries
⚙️ System Performance
Modular design, N+1 hot backup, smooth expansion
Intelligent design — automatic module switch on/off via serial communication
Charging mode converting, output voltage & current setting, SYNC switchover and more
Standard RS-485 interface, "4-remotes" function supported
Hot swappable — no system downtime required
⭐ Main Features
- High efficiency — over 93%
- High power converter frequency — small size and light weight
- Isolation automatic current sharing technology — unevenness <±3%
- Built-in output isolation diode
- LED digit display, indication lights, button operation
- V-adjust button, DIP on front panel — easy operation
📊 Product Parameter
| Model / Item | 110D20NZ-5 | |
|---|---|---|
| Output Current (A) | 20 | |
| Power (KW) | 3 | |
| Weight (kg) | 5 (with package) | |
| Cooling Type | Fan cooling | |
| Radiator T-rise | ≤30℃ | |
| Input Voltage (VAC) | Min | 323 |
| Typical | 380 | |
| Max | 437 | |
| Output Voltage (VDC) | Min | 88 |
| Typical | 121 | |
| Max | 150 | |
| Voltage Regulation | ±0.5% | |
| Current Regulation | ±1% | |
| Efficiency | ≥92% | |
| Storage Temperature (℃) | Min | -40 |
| Typical | 25 | |
| Max | 60 | |
| Working Temperature (℃) | Min | -10 |
| Typical | 25 | |
| Max | 40 | |
| Current Share Imbalance | ±3% | |
| Soft Start Time (S) | 3~8 | |
| Ripple | ≤0.5% | |
| Over Voltage Protection | 160±8 VDC | |
| Automatic Current Limit | The output current does not increase infinitely. When overloaded, there will be limited constant current output. The maximum output current is limited to 110% of the rated output current. | |
| Load Grade | Continuous working with Grade I (100%) rating output current | |
| Short Circuit Protection | When short circuit occurs, the module will protect itself from damage. Self-recoverable. | |


