Siemens 6EP13321LB00 DIN Rail Power Supply
Specifications (6EP13321LB00)
| Parameter | Value |
|---|---|
| Output Voltage | 24 VDC |
| Output Current (Max) | 2.5 A |
| Output Power | 60 W |
| Input Voltage | 93–132 VAC / 187–264 VAC |
| Efficiency | 85% |
| Operating Temperature | 0°C ~ 60°C (with derating) |
| Approval Agency | CB, CE, CSA, cUL, cULus, UL |
| Features | Adjustable Output, IP20, Universal Input |
| Applications | Hazardous Locations, Industrial, ITE (Commercial) |
| Input Type | AC |
| Number of Outputs | 1 |
| Encapsulation | Bulk |
The 6EP13321LB00 is a single-output Siemens SITOP family DIN rail mount unit with universal AC input spanning both 120 V and 230 V nominal ranges. Adjustable output allows fine-tuning above nominal 24 V for compensation of long branch runs.
Design and Certification Notes
Input Flexibility
The dual-range AC input (93–132 VAC and 187–264 VAC) permits deployment in most world markets without selector switches or rewiring. No DC input rating appears in the record.
Safety and Environment
Approvals cover industrial (cULus, CSA) and hazardous location use, with CB and CE facilitating international deployment. The IP20 rating requires installation inside an enclosure or cabinet—appropriate for typical DIN rail layouts in control panels.
Thermal Derating
The 0°C to 60°C operating window with derating above 0°C implies output current must be reduced at elevated ambient temperatures or reduced airflow. Full 2.5 A is available at or below the rated thermal threshold.
Alternate Siemens DIN Rail Power Supplies
The following Siemens alternatives share the 24 V output and sit in the same product family. Ratings must be verified against actual load, ambient, and enclosure conditions before selection.
| Parameter | 6EP13321LB00 (seed) | 6EP13321SH71 | 6EP13325BA00 |
|---|---|---|---|
| Output Power | 60 W | 60 W | 60 W |
| Output Current | 2.5 A | 2.5 A | 2.5 A |
| Efficiency | 85% | 83% | 87% |
| AC Input Range | 93–132 / 187–264 VAC | 100–230 / 85–264 VAC | 100–230 / 85–264 VAC |
| DC Input | — | — | 110–300 VDC |
| Operating Temp | 0–60°C | 0–60°C | — |
| Approval | CB, CE, CSA, cUL, cULus, UL | CB, CE, CSA, cUL, cULus, cURus, UL | CB, cCSAus, CE, CSA, cUL, cULus, UL |
| Similarity | — | 1.0 | 1.0 |
6EP13321SH71 matches the seed's 60 W and 2.5 A on the same Siemens series, adds cURus, and omits the DC input restriction—no DC rating in either record. Efficiency is slightly lower at 83%.
6EP13325BA00 adds DC input capability (110–300 VDC) and reaches 87% efficiency, narrowing the input range slightly to 100–230 VAC on the low side versus the seed's 93 VAC minimum.