DC power supply is required center plus. Also output connector / jack needs 2,1×5,5mm size. The DC output voltage depends on your model railway system. See the followings.
| Use case | Recommended voltage | Output current |
|---|---|---|
| marklin H0 | 15 to 18V | 2A or more |
| DCC H0 | 12 to 16V | 2A or more |
| DCC N | 12V | 1A or more |
Center plus marking:
Example: