Siemens 6EP19612BA11 DC/DC DIN Rail Supply 24V
The "6EP1961" prefix places this unit in the Siemens SITOP DC/DC converter family; the trailing "2BA11" denotes the 3 A single-output variant within that series. The unit delivers 24 V DC from a 22–30 V DC bus, rated at up to 3 A with 97 % efficiency and IP20 encapsulation in bulk packaging.
Electrical Specifications (6EP19612BA11)
| Parameter | Value |
|---|---|
| DC Voltage – Input (Min) | 22 V |
| DC Voltage – Input (Max) | 30 V |
| DC Voltage – Output | 24 V (adjustable) |
| Current – Output (Max) | 3 A |
| Efficiency | 97 % |
| Number of Outputs | 1 |
| Input Type | DC |
Environmental and Compliance (6EP19612BA11)
| Parameter | Value |
|---|---|
| Operating Temperature | 25°C ~ 60°C |
| Approval Agency | CE, CSA, cULus, UL |
| Features | Adjustable Output, IP20 |
| Encapsulation | Bulk |
| Applications | Hazardous Locations, Industrial, ITE (Commercial) |
Alternate Siemens SITOP DC/DC and AC/DC DIN Rail Units
The reader must qualify each alternate independently against the application requirements; similarity values reflect parametric proximity only and do not indicate interchangeability.
| Specification | 6EP19612BA11 | 6EP19612BA21 | 6EP19612BA61 | 6EP13321LB00 |
|---|---|---|---|---|
| Output Current (Max) | 3 A | 10 A | 3 A × 4 | 2.5 A |
| Input Voltage (DC) | 22–30 V | 22–30 V | 22–30 V | — |
| Input Voltage (AC) | — | — | — | 93–132 / 187–264 VAC |
| Efficiency | 97 % | 99 % | 97 % | 85 % |
| Number of Outputs | 1 | 1 | 4 | 1 |
| Operating Temp | 25°C~60°C | 25°C~60°C | 25°C~60°C | 0°C~60°C |
| Similarity | — | 1.0 | 1.0 | 1.0 |
- 6EP19612BA21 shares the 22–30 V DC input range and SITOP platform but scales output to 10 A with 99 % efficiency; suited for higher current DC distribution from the same bus voltage.
- 6EP19612BA61 uses the identical DC input window and efficiency rating but provides four independent 3 A outputs rather than one; useful for multi-load DC bus segmentation.
- 6EP13321LB00 operates from AC mains (93–264 V universal range) instead of a DC bus; output is 24 V at 2.5 A, suitable for primary power conversion upstream of a DC distribution panel.
Output Adjustment and Installation Notes
The 24 V output is adjustable to compensate for voltage drop across panel wiring runs. All listed units carry IP20 ratings and mount on standard DIN rails; verify derating curves if the panel ambient approaches the upper operating temperature limit.