The Siemens Power Supply PSU100D is a single-phase, switched-mode power supply that may be screwed directly into the wall.
Features of the Siemens Power Supply PSU100D
Find out more about Siemens' PSU100D series, which is designed to satisfy the demands of commercial and industrial applications by providing exceptional performance and reliability. This product series offers portable and efficient solutions for your power supply needs. It includes the 6EP1322-1LD01 (24V DC, 2.5A) and 6EP1321-1LD01 (24V DC, 1.3A).
The PSU100D series is perfect for machine tools, automation systems, and other industrial applications that require dependable 24V DC power supplies.
For a reliable, affordable, and energy-efficient solution that satisfies your industrial needs, choose the Siemens PSU100D power supply.
Article number product brand name type of current supply |
6EP1321-1LD01 PSU100D 12 V/3 A |
6EP1322-1LD01 PSU100D 12 V/8.5 A |
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siemens power supply psu100d 6EP1321-1LD01 and 6EP1322-1LD01 input | ||
Siemens power supply network's type | 1-phase AC | 1-phase AC |
supply voltage at AC | ||
● The lowest rated value ● The highest rated value ● The starting value ● The full-scale value |
100 V 240 V 90 V 264 V |
100 V 240 V 90 V 264 V |
broad range of input | Yes | Yes |
Overvoltage Overload Capability | 1.25 × Vin rated, 500 ms | 1.25 × Vin rated, 500 ms |
buffering time for the output current's rated value in the case of a minimum power outage | 16 ms | 9 ms |
state of the mains buffering system | at Vin = 115/230 V | at Vin = 115/230 V |
line frequency line frequency |
50 Hz/60 Hz 47 ... 63 Hz |
50 Hz/60 Hz 47 ... 63 Hz |
input current ● 100 V is the rated input voltage. ● 240 V is the rated input voltage. |
0.85 A 0.5 A |
2.2 A 1.2 A |
Inrush current limitation at a maximum temperature of 25 °C Maximum I2t value kind of fuse protection The feeder's fuse protection type |
45 A 1.5 A²·s T3.15AL250V (internal) Miniature circuit breakers with characteristics of 16 A and 20 A are advised (for North America). |
55 A 2.5 A²·s T4AL250V (internal) Miniature circuit breakers with characteristics of 16 A and 20 A are advised (for North America). |
siemens power supply psu100d 6EP1321-1LD01 and 6EP1322-1LD01 output | ||
output voltage curve | DC voltage that is isolated and controlled | DC voltage that is isolated and controlled |
output voltage at the DC rating | 12 V | 12 V |
output voltage ● At the DC rated value at output 1, |
12 V 12 V |
12 V 12 V |
Adjustable output voltage | Yes; via potentiometer | Yes; via potentiometer |
adjustable output voltage | 10.8 ... 13.2 V | 10.8 ... 13.2 V |
relative overall voltage tolerance | 1 % | 1 % |
relative output voltage control accuracy ● Based on gradual input voltage fluctuations ● Based on the gradual variation of ohm loading |
0.5 % 0.5 % |
0.5 % 0.5 % |
voltage peak ● maximum |
120 mV |
120 mV |
display version for regular use | Green LED for 12 V OK | Green LED for 12 V OK |
output voltage behaviour upon turning on | Overshoot of Vout < 10 % | Overshoot of Vout < 10 % |
response delay maximum | 1 s | 0.5 s |
duration of the output voltage increase ● maximum |
30 ms |
30 ms |
output current ● rated value ● rated range |
3 A 0 ... 3 A; +50 ... +70 °C: Derating 2.0%/K |
8.5 A 0 ... 8.5 A; +50 ... +70 °C: Derating 2.0%/K |
2.6 ... 4.9 A | 5.1 ... 9.9 A | |
provided active power in a typical Equipment bridging |
35 W No |
100 W No |
siemens power supply psu100d 6EP1321-1LD01 and 6EP1322-1LD01 effectiveness | ||
efficiency as a percentage | 86 % | 87.5 % |
power loss [W] ● typically at the rated output voltage for the rated output current |
5.7 W |
14.22 W |
siemens power supply psu100d 6EP1321-1LD01 and 6EP1322-1LD01 closed-loop management | ||
relative control accuracy of the resistive load's output voltage load step Typical 50/100/50 percent | 10 % | 10 % |
setting time ● Typical load step 50 to 100% ● Typical load step: 100 to 50% |
4 ms 4 ms |
4 ms 4 ms |
siemens power supply psu100d 6EP1321-1LD01 and 6EP1322-1LD01 safeguarding and observing | ||
The overvoltage protection's design | < 17.4 V | < 17.4 V |
The output's short-circuit proof property | Yes | Yes |
Short-circuit protection design | Automatic restart and electronic shutdown | Automatic restart and electronic shutdown |
Electronic shutdown and automatic restart | 3.3 ... 5.25 A | 9.35 ... 14.88 A |
RMS value for sustaining short circuit current ● typical |
4 A |
9 A |
siemens power supply psu100d 6EP1321-1LD01 and 6EP1322-1LD01 security | ||
separation of the input and output galvanically | Yes | Yes |
isolation by galvanic | Extra low output voltage for safety Vout based on EN 62368-1 | Extra low output voltage for safety Vout based on EN 62368-1 |
protection class for operating resources | Class I | Class I |
current leakage ● maximum |
0.5 mA |
0.5 mA |
siemens power supply psu100d 6EP1321-1LD01 and 6EP1322-1LD01 EMC | ||
standard ● for interference released ● for limitation of primary harmonics ● for interference immunity |
EN 55032 Class B IEC 61000-3-2 EN 55035 |
EN 55032 Class B IEC 61000-3-2 Class A EN 55035 |
siemens power supply psu100d 6EP1321-1LD01 and 6EP1322-1LD01 approvals, standards, and specifications | ||
certificate of appropriateness ● CE marking ● UL approval ● CSA approval ● UKCA marking ● EAC approval ● NEC Class 2 |
Yes Indeed; cURus (UL 62368-1, CSA C22.2 NO 62368-1-14), File E151273; cULus-Listed (UL 508, CSA C22.2 No. 107.1), File E197259 Yes; cULus-Listed (UL 508, CSA C22.2 No. 107.1), File E197259; cURus (UL 62368-1, CSA C22.2 NO 62368-1-14), File E151273 Yes No No |
Yes Indeed; cURus (UL 62368-1, CSA C22.2 NO 62368-1-14), File E151273; cULus-Listed (UL 508, CSA C22.2 No. 107.1), File E197259 Indeed; cURus (UL 62368-1, CSA C22.2 NO 62368-1-14), File E151273; cULus-Listed (UL 508, CSA C22.2 No. 107.1), File E197259 Yes No No |
certification type ● BIS ● CB-certificate |
Yes; R-611003204 Yes |
Yes; R-611003204 Yes |
MTBF at 25 °C | 700 000 hours; SR-332 indicates that the input voltage is 115 V/230 V AC and the load is 100% full (12 V, 3 A). | 700 000 hours; SR-332 states that the input voltage is 115 V/230 V AC and the load is 100% full (12 V, 8.5 A). |
siemens power supply psu100d 6EP1321-1LD01 and 6EP1322-1LD01 Hazardous environments, norms, approvals, and specifications | ||
certificate of appropriateness ● IECEx ● ATEX ● ULhazloc approval ● cCSAus, Class 1, Division 2 ● FM registration |
No No No No No |
No No No No No |
siemens power supply psu100d 6EP1321-1LD01 and 6EP1322-1LD01 maritime classification, standards, approvals, and requirements | ||
approbation of shipbuilding | No | No |
Association for Marine Classification ● ABS stands for American Bureau of Shipping Europe Ltd. ● Society for French Marine Classification (BV) ● Veritas Det Norske (DNV) ● LRS, or Lloyds Register of Shipping |
No No No No |
No No No No |
siemens power supply psu100d 6EP1321-1LD01 and 6EP1322-1LD01 approvals, standards, and specifications Declaration of Environmental Products | ||
Declaration of Environmental Products | Yes | Yes |
Potential for Global Warming [CO2 eq] ● total ● During the production process ● While in operation ● After death |
181.8 kg 3.4 kg 178.3 kg 0.05 kg |
450.7 kg 5.7 kg 444.8 kg 0.09 kg |
siemens power supply psu100d 6EP1321-1LD01 and 6EP1322-1LD01 environmental circumstances | ||
temperature of the surroundings ● during operation ● during transport ● during storage |
It is not advised to install the device on low thermal conductive surfaces, such as plastics, in temperatures between -25 and +70 degrees Celsius with natural convection. -40 ... +85 -40 ... +85 |
It is not advised to install the device on low thermal conductive surfaces, such as plastics, in temperatures between -25 and +70 degrees Celsius with natural convection. -40 ... +85 -40 ... +85 |
maximum relative humidity and condensation as defined by IEC 60068-2-38 | 20... 90% in the absence of condensation | 20... 90% in the absence of condensation |
siemens power supply psu100d 6EP1321-1LD01 and 6EP1322-1LD01 mode of connecting | ||
kind of electrical connection | screw terminal | screw terminal |
● at input | For 0.75... 2 mm² single-core/finely stranded, L, N, and PE each have one screw terminal. | For 0.75... 2 mm² single-core/finely stranded, L, N, and PE each have one screw terminal. |
● at output | Each screw termination is 0.75... 2 mm². | Each screw termination is 0.75... 2 mm². |
● For supplementary contacts | - | - |
siemens power supply psu100d 6EP1321-1LD01 and 6EP1322-1LD01 mechanical information | ||
dimensions of the enclosure: width, height, and depth | 82 mm × 29 mm × 99 mm | 97 mm × 30 mm × 129 mm |
method of fastening ● Normal rail mounting ● S7 rail installation ● wall mounting |
Wall mounting No No Yes |
Wall mounting No No Yes |
net weight | 0.17 kg | 0.29 kg |
siemens power supply psu100d 6EP1321-1LD01 and 6EP1322-1LD01 more details | ||
other information | Details at the ambient temperature of +25 °C and the rated input voltage (unless otherwise noted) | Details at the ambient temperature of +25 °C and the rated input voltage (unless otherwise noted) |
siemens power supply psu100d 6EP1321-1LD01 and 6EP1322-1LD01 details about security | ||
security information | Siemens offers industrial cybersecurity solutions to protect plants, systems, machines, and networks. Customers must implement and maintain robust security measures, use up-to-date products, and apply updates promptly. | Siemens offers industrial cybersecurity solutions and advises customers to maintain robust security measures, use updated products, and apply updates promptly. |
MLFB | Description |
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6EP13211LD01 | Siemens PSU100D 12 V/3 A stable power supply with an output of 12 V DC/3 A and an input of 100-240 V AC |
6EP13221LD01 | Siemens Stabilised power supply PSU100D 12 V/8.5 A input: 100-240 V AC output: 12 V DC/8.5 A |