RS485 3 KW Power 110V DC Rectifier Module With Natural Cooling TH110D20ZZ-S
Basic Properties
Place of Origin:
HeBei China
Brand Name:
TONHE
Certification:
CE、ISO9001
Model Number:
TH110D20ZZ-S
Trading Properties
Minimum Order Quantity:
5
Price:
Factory price
Payment Terms:
T/T
Supply Ability:
1000000 pcs per year
Specifications
| Model Number: | TH110D20ZZ-S | Power: | 3 KW |
| Cooling: | Natural-cooling | Noise Level: | ≤50dB |
| Communication Protocol: | RS485 | Efficiency: | ≥92% |
| Output Voltage: | 22V-143VDC/110V | 110v dc rectifier: | 110v Dc Rectifier |
| High Light: | rs485 rectifier module,rs485 110v dc rectifier,3 kw rectifier module |
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Product Description
TH110D20ZZ-S Industrial Power Supply Module
Industrial-grade intelligent high-frequency switching power supply module engineered for global single-phase AC input applications.
Key Specifications
| Model Number | TH110D20ZZ-S |
| Brand Name | TONHE |
| Input Voltage | 187V-253VAC/220V |
| Output Current | 20A |
| Output Voltage | 22V-143VDC/110V |
| Power | 3 KW |
| Current Sharing Imbalance | <±3% |
| Efficiency | ≥92% |
| Voltage Regulation Accuracy | ≤±0.5% |
| Ripple Coefficient | ≤0.5% |
| Current Regulation Accuracy | ≤±1% |
| Communication Protocol | RS485 |
| Working Temperature | -10℃~+40°C |
| Noise Level | ≤50dB |
| Cooling | Natural-cooling |
| Single Size | 325*139*263(mm) |
Product Overview
The TH110D20ZZ-S utilizes advanced resonant voltage-type dual-loop control technology to deliver stable and reliable performance with rated output of 110VDC/20A (3KW). With efficiency ≥92% and excellent energy consumption performance, this module provides high-purity, stable DC power for electrical equipment.
Advanced Features
- Modular design supporting N+1 hot backup and seamless capacity expansion
- Up to 20 units operating in parallel with current sharing imbalance <±3%
- Standard RS485 communication interface compatible with Modbus and TonHe protocols
- Four-remote functions (telemetry, remote signaling, remote control, remote adjustment)
- Three operating modes (independent/manual/automatic)
- Hot-swapping capability for safe and efficient maintenance
Technical Parameters
| Output Current (A) | 20 |
| Power (kW) | 3.0 |
| Input Voltage Range (VAC) | 187-253 (Typical: 220) |
| Output Adjustable Range (VDC) | 88-143 (Typical: 110) |
| Voltage Regulation Accuracy | ≤±0.5% |
| Current Regulation Accuracy | ≤±1% |
| Input Power Factor | ≥92% |
| Storage Temperature (℃) | -40 to +60 (Typical: 25) |
| Operating Ambient Temperature (℃) | -10 to +40 (Typical: 25) |
| Soft Start Time | 3S-8S |
| Ripple Coefficient | ≤0.5% |
| Load Rating | Continuous operation at 100% rated output current (Class I) |
Protection Features
- Automatic Current Limiting: Operates in constant current mode when output current exceeds set limit
- Output Overvoltage Protection: Automatically stops output when voltage exceeds 160±3VDC
- Output Short-Circuit Protection: Self-protects in case of short circuit and automatically recovers after fault removal
Product Images

Why Choose Tonhe?
We are a high-tech enterprise integrating manufacturing, sales, system solutions, and after-sales service. With over 290 successful projects for 220 kV to 500 kV substations and battery systems above 1000 Ah, Tonhe has become a leading DC power system supplier in China, holding over 40% market share and producing 1 million modules annually.
Quality Assurance
Our 8 advanced production lines, equipped with imported machinery, achieve 80% automation and up to 99% first-pass yield. All power modules undergo double-sided potting, conformal coating, and rigorous functional, environmental, and aging tests--ensuring reliable 24/7 performance in critical power infrastructures.
Business Support
We provide a full range of power conversion modules, system-level low-voltage DC distribution cabinets for DC loads, data center power systems, as well as customized hardware and software power solutions.
Sample Orders
Yes, you can get sample orders to test our quality. The cost of samples is paid by the customer.
Payment Types
We accept payment via TT (Telegraphic Transfer).
