LED Economy Series
20A 3 Phase Rectifier Charger – Economic AC/DC Battery Charger from China Suppliers & Factory with RS485
Introducing our advanced Economic type AC/DC Battery Charger, a new generation digital control rectifier designed to meet the demands of modern DC systems. Manufactured in China, our chargers stand out in the market due to their higher stability, compact size, and lightweight design. This innovative solution is not only easy to upgrade but also features a rated output voltage of 110V/220V. Equipped with CAN and RS-485 interfaces, it seamlessly integrates with automation systems. As a leading supplier in the industry, our factory ensures that our products are tailored for electricity and related sectors, making them the perfect choice for your operational needs
⚡ 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 — module switch on/off, charging mode converting, output voltage & current setting, SYNC switch over, and more via serial communication
- With standard RS-485 interface, easy to work with automation systems — “4-remotes” function
- Hot swappable
🌟 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±8VDC | |
| Automatic Current Limit | The output current does not increase infinitely. When overloaded, there will be a 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. | |
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📌 Note: The influence of the built-in diode is neglected when mentioning voltage regulation.
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❓ Frequently Asked Questions
Q What is the rated output voltage of the 110D20NZ-5 module?
The 110D20NZ-5 module supports rated output voltages of 110V and 220V DC. The typical output voltage is 121VDC, with an adjustable range from 88VDC (min) to 150VDC (max).
Q What switching technology does this power supply module use?
This module uses the world-leading patent technology called “resonant voltage type soft switching power supply technology”, which enables high efficiency, low switching losses, and stable output performance.
Q What is the efficiency rating of the 110D20NZ-5 module?
The module achieves an efficiency of ≥92% under rated conditions, with the system-level efficiency exceeding 93%, making it highly energy-efficient for DC power applications.
Q Does the module support hot swapping and N+1 redundancy?
Yes. The modular design supports N+1 hot backup and hot swapping, meaning modules can be inserted or removed without shutting down the system, ensuring continuous and reliable operation.
Q How does the module handle overload or short circuit conditions?
The module features automatic current limiting — output current is capped at 110% of the rated value during overload. In the event of a short circuit, the module activates self-protection and is self-recoverable once the fault is cleared.
Q What communication interface does the module support for remote management?
The module is equipped with a standard RS-485 interface, supporting “4-remotes” functions (remote signaling, remote measurement, remote control, and remote adjustment). This allows seamless integration with automation and monitoring systems.
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