ETOMMENS 20V DC power supplies. Choose adjustable 0–20V, 0–50A DC power supplies with two-knob, four-knob and 3U configurations. Compare manual controls, programmable interfaces and installation requirements, then order the selected model online.
Select a model below to view its specifications, choose the available product options and order online.
20V DC Power Supply Model Comparison
| Model | DC voltage range | Current range | Type / controls / display | Order online |
|---|---|---|---|---|
| eTM-2050U | 0–20V | 0–50A | Switching / bench; 4-digit display | View Product |
| eTM-2050 | 0–20V | 0–50A | Switching / bench; Four-knob; four-digit display | View Product |
| eTM-2050C | 0–20V | 0–50A | Switching / bench; Two-knob; four-digit display | View Product |
Match the continuous output-power and input configuration to your operating voltage and current. The model ranges do not replace the complete permitted operating conditions.
20V Bench Power Supply Features
This 20V range has three 50A candidates. The eTM-2050C provides two-knob controls; eTM-2050 has four-knob coarse/fine adjustment; eTM-2050U offers a 3U configuration for installations where enclosure format matters.
CV/CC operation and output enable/disable control help set operating voltage and limit current for a test. At 20V and 50A the load requires 1000W. Match input, continuous-output capability and output connections to the load rather than assuming all 50A settings use the same power.
Choose a 20V Supply for Your Test
- Manual bench adjustment: eTM-2050 provides separate coarse and fine controls. Choose it when the manual layout matches your workflow.
- Programmable voltage/current control: eTM-2050C offers programmable serial-port choices. Select the interface on the product page.
- A 3U installation: eTM-2050U is the 3U candidate with the same listed 20V/50A range. Check dimensions, cooling clearance and interface configuration for the installation.
20V DC Power Supply FAQ
Which 20V supply can run a 12V, 40A load?
eTM-2050, eTM-2050C and eTM-2050U list ranges covering 12V and 40A. The load requires 480W; select the control and enclosure format for your bench.
Can I adjust the output below 20V?
Yes. The product tables list continuously adjustable 0–20V output. Set the voltage required by the device; 20V is the range maximum, not a fixed output.
Is the 3U model more powerful than the bench model?
The three pages list 20V/50A ranges. A 3U enclosure describes the format, not automatically a higher output rating. Compare the complete continuous-output specification and installation requirements.
Can I choose RS232 or USB computer control?
eTM-2050C and eTM-2050U list programmable interface choices. Choose the interface in the available product configuration and match supported commands to your software.
Does the 50A rating force 50A into my device?
No. In CV mode the load determines current up to the selected limit. Set a current limit appropriate for the device; CC regulation takes over when that limit is reached.
Can I use 110V input for a 20V, 50A working point?
eTM-2050C lists the 110–130V option with an output-power ceiling of 1200W. The working point requires 1000W, within that ceiling; input-circuit and continuous-output requirements still apply.
Order Your 20V DC Power Supply
Open the matching model, choose its available product options and place your order online.
For selection help or a custom configuration: Email us · WhatsApp.
Browse our variable DC power supplies for other output ranges.