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20A 3 Phase Rectifier Charger - China Suppliers & Factory for Reliable AC/DC Battery Charging Solutions
⚡ 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 offer higher working frequency, smaller size, and lighter weight compared with past products.
- ✓ Rated output voltage: 220V and 110V
- ✓ RS-485 interface — easy to integrate with automation systems
- ✓ Applicable for electric power 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 with "4-remotes" function support
- ✓ Hot swappable modules for uninterrupted operation
⭐ Main Features
- ✓ High Efficiency Over 93% efficiency
- ✓ High power converter frequency — compact size and lightweight design
- ✓ Isolation automatic current sharing technology — unevenness < ±3%
- ✓ Built-in output isolation diode
- ✓ LED digit display, indication lights, button operation
- ✓ V-adjust button and DIP switch on front panel — easy operation
📋 Product Parameter
| 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, a limited constant current output is applied. 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. | |
| ⓘ Note: The influence of the built-in diode is neglected when mentioning voltage regulation. | ||
❓ Frequently Asked Questions (FAQ)
Q What technology does the 110D20NZ-5 power supply module use?
The 110D20NZ-5 uses the world-leading patented resonant voltage type soft switching power supply technology, which enables high efficiency, stable output, and reduced electromagnetic interference compared to traditional hard-switching designs.
Q What is the efficiency rating of this module?
The module achieves an efficiency of over 92%–93%, significantly reducing energy loss and heat generation during operation, which contributes to its compact and lightweight design.
Q Does the module support hot swapping?
Yes. The 110D20NZ-5 supports hot swapping, allowing modules to be inserted or removed from the system without powering down, ensuring continuous and uninterrupted operation in critical DC systems.
Q What input voltage range does this module accept?
The module accepts an AC input voltage ranging from 323V (Min) to 437V (Max), with a typical operating voltage of 380V AC, making it suitable for standard three-phase industrial power environments.
Q How does the short circuit protection work?
In the event of a short circuit, the module automatically activates its built-in protection mechanism to prevent internal damage. The protection is self-recoverable — once the fault is cleared, the module resumes normal operation without manual intervention.
Q Can this module be integrated with automation systems?
Yes. The module is equipped with a standard RS-485 communication interface and supports "4-remotes" functions (remote monitoring, remote control, remote signaling, and remote adjustment), making it fully compatible with modern industrial automation and SCADA systems.