TH24V20A-220 is a high-performance intelligent communication power module independently developed by Tonhe, featuring world-leading resonant voltage-type dual-loop control resonant switching power supply technology. This 24V/20A standard output module delivers 600W power with high efficiency, compact design, and comprehensive protection functions.
| Model Number | TH24V20A-220 | Output Current | 20A |
|---|---|---|---|
| Input Voltage | 187V-286VAC/220V | Power | 600W |
| Output Voltage | 21V-29VDC/24V | Efficiency | ≥90% |
| Current Sharing Imbalance | <±5% | Working Temperature | -10℃~+40°C |
| Voltage Regulation Accuracy | ≤±0.6% | Noise | ≤50dB |
| Cooling | Natural-cooling | Communication Protocol | RS485 |
| Dimensions (L*W*H) | 325*263*139(mm) | Place of Origin | HeBei, China |
| Parameter | TH24V20A-220 | TH48V10A-220 | TH48D20ZZ-220 | TH48D30ZZ-220 | TH48V30A-110 |
|---|---|---|---|---|---|
| Output Current (A) | 20 | 10 | 20 | 30 | 30 |
| Power (kW) | 0.6 | 0.6 | 1.2 | 1.8 | 1.8 |
| Input Voltage Range (VAC) | 187-253VAC | 187-253VAC | 187-253VAC | 187-253VAC | 93-127VDC |
| Output Adjustable Range (VDC) | 21-29 | 40-60 | 40-60 | 40-60 | 40-60 |
| Voltage Regulation Accuracy | ±0.6% | ±0.6% | ±0.6% | ±0.6% | ±0.6% |
| Efficiency | ≥90% | ≥90% | ≥90% | ≥90% | ≥90% |






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. Choose us for exceptional quality, reliable support, and proven value.
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.
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.
Yes, you can get sample orders to test our quality. The cost of samples is paid by the customer.
We accept payment via TT (Telegraphic Transfer).