
DC-DC CONVERTERS AND BATTERY CHARGERS
TDC / TDCi — DC-DC converter 12/24/48 V, 8–30 A
Country: Netherlands · Model: TDC / TDCi
The TDC and TDCi converters power 12 or 24 V loads from a battery of a different voltage and deliver 8–30 A at the output. The input ranges of 9–18, 20–35 and 30–60 V DC cover the 12, 24 and 48 V onboard systems of trucks, boats and off-grid solar systems.
- Input
- 9–18, 20–35 or 30–60 V DC
- Output
- 12.5–13.6 V or 24.5–25 V
- Current
- 8–30 A
- Series
- TDC — non-isolated; TDCi — galvanically isolated (500 V); TDCi-CH — with battery charging function
Technical specifications
| Input | 9–18, 20–35 or 30–60 V DC |
|---|---|
| Output | 12.5–13.6 V or 24.5–25 V |
| Current | 8–30 A |
| Series | TDC — non-isolated; TDCi — galvanically isolated (500 V); TDCi-CH — with battery charging function |
| Customs codes (for reference) | |
| HS code | 8504.40 |
| UKTZED code (Ukraine) | 8504409000 |
| CN code (EU) | 85044095 |
Specifications are taken from the manufacturer’s technical documentation. Updated . Customs codes are for reference only; the final code is determined at customs declaration for the specific model.
Description
The output voltage of 12.5–13.6 V or 24.5–25 V is regulated, so loads work the same with a discharged and a fully charged battery. A typical example is a radio, a car stereo or a car fridge rated 12 V in a truck with a 24 V onboard system. The TDC series has no galvanic isolation, and its input and output share a common negative, as on vehicles with the negative on the chassis. In the TDCi the input and output are separated by 500 V insulation, which is needed on boats with a hull-isolated system and where sensitive radio equipment must be separated from the noise of power circuits. The TDCi-CH version also works as a charger and keeps a separate battery charged.
How to choose
First choose the input range for the source, then the 12 or 24 V output and a current within 8–30 A with a margin over the sum of the loads. The isolated TDCi is needed when the battery negative is not connected to the chassis. If a battery must be charged at the output, take the TDCi-CH, and for charging a large service battery from the starter battery the Omnicharge DC with power up to 900 W and a current of 50 A at 12 V is a better fit.
Request a price and lead time
TDC / TDCi — DC-DC converter 12/24/48 V, 8–30 A. We reply within one business day.
Or email office@usk.ua or call +38 (044) 339-50-20.
FAQ
How can 12 V equipment be powered from a 24 V system?
Through a TDC or TDCi converter with a 20–35 V input and a 12.5–13.6 V output. Choose the current within 8–30 A for the total load, with a margin.
How does the TDCi differ from the TDC?
The TDCi has galvanic isolation between input and output with 500 V insulation, the TDC does not. Isolation is needed on boats with an isolated system and for sensitive radio equipment.
Can a battery be charged from a TDCi converter?
The TDCi-CH version with a charging function is intended for this. The standard TDC and TDCi hold a stable voltage of 12.5–13.6 V or 24.5–25 V without a charging algorithm.
Is the TDC suitable for a 48 V battery?
Yes, the 30–60 V DC input range covers operation of a 48 V bank from discharge to full charge. The output gives 12 or 24 V for standard loads.
Similar products
REQUEST
Need a price, lead time or replacement?
Send us a request and we will confirm the configuration, lead time and delivery terms. We reply by email.



