Siemens 6EP1331-5BA10 SITOP PSU100C 120-230V AC 24V/1.3A DIN Rail Power Supply

The Siemens 6EP1331-5BA10 is a SITOP PSU100C single-phase power supply that converts 100-230 V AC (or 110-300 V DC) into a stabilized 24 V DC output rated 1.3 A. It mounts on a 30 mm-wide DIN rail, holds the output within 3% overall tolerance, and bridges a 20 ms mains dropout at rated load, making it suited to small 24 V control circuits with modest current demand.

Technical Specifications

Certifications & Standards

• CE
• EAC
• CB
• Shipbuilding
• ABS
• DNV
• EPD

Selection Notes

At 1.3 A rated output and 30 W, the 6EP1331-5BA10 sits at the low-current end of the PSU100C family and fits a single 24 V drop such as a PLC CPU or a handful of contactor coils rather than a fully loaded panel. The output is adjustable from 22.2 to 26.4 V, so the set point can be trimmed to compensate for cable drop on a long 24 V run. Two units can be paralleled to raise available current, and the 20 ms buffering time covers short mains dips without a separate UPS module. Above +60C the output derates 0.8%/K, dropping to 1.2 A at +70C, so enclosure ventilation matters more than current headroom in this rating.