TH110D20ZZ-S Industrial Power Supply Module
Industrial-grade intelligent high-frequency switching power supply
module engineered for global single-phase AC input applications
with rated output of 110VDC/20A (3KW).
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) |
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).