About

The Siemens Power Supply 6EP1331-1LD01 is an electric power supply designed for industrial usage, providing reliable performance at 240 Volt. With a warranty of 1 year, this new power supply in a standard grey color is suitable for various industrial applications. 

Data Sheet – 6EP1321-1LD01

SITOP PSU100D – 1AC / 12 VDC / 3 A
Stabilized power supply
Input: 100–240 V AC
Output: 12 V DC / 3 A

INPUT

Supply Voltage

• Type of power supply network: 1-phase AC

• Minimum rated value: 100 V

• Maximum rated value: 240 V

• Initial value: 90 V

• Full-scale value: 264 V

• Wide range input: Yes

• Overvoltage overload capability: 1.25 × Vin rated, 500 ms

Mains Buffering

• Buffering time at rated output current: 16 ms

• Operating condition at Vin = 115/230 V

• Line frequency: 50/60 Hz, range 47–63 Hz

Input Current

• At 100 V: 0.85 A

• At 240 V: 0.5 A

• Inrush current limit at 25 °C: 45 A (max)

• I²t value: 1.5 A²·s

• Internal fuse: T3.15AL250V

• Recommended MCB (feeder): 16 A B-curve / 20 A B-curve (North America)

OUTPUT

Voltage

• Controlled, isolated DC voltage

• Rated output voltage: 12 V DC

• Adjustable: 10.8 … 13.2 V (via potentiometer)

• Voltage tolerance: 1 %

• Control precision:

  • Input fluctuation: 0.5 %

  • Load fluctuation: 0.5 %

• Voltage peak max: 120 mV

• LED indication: Green – 12 V OK

• Overshoot on switching ON: < 10 %

• Response delay: max. 1 s

• Rise time: max. 30 ms

Output Current

• Rated value: 3 A

• Range: 0 … 3 A

• Derating: 2 % / K (50–70 °C)

• Supplied active power (typ.): 35 W

Efficiency / Power Loss

• Efficiency: 86 %

• Power loss (typ.): 5.7 W

Dynamic Response

• Load step 50/100/50 %: 10 % deviation

• Setting time:

  • 50 → 100 % load: 4 ms

  • 100 → 50 % load: 4 ms

PROTECTION & MONITORING

• Overvoltage protection: < 17.4 V

• Output short-circuit proof: Yes

• Short-circuit protection: Electronic shutdown, automatic restart

• Current limit response: 3.3 … 5.25 A

• Enduring short-circuit RMS: 4 A (typ.)

• Galvanic isolation: Input ↔ Output

• SELV output per EN 62368-1

• Protection class: Class I

• Leakage current: max. 0.5 mA

EMC

• Emitted interference: EN 55032 Class B

• Mains harmonics: IEC 61000-3-2

• Interference immunity: EN 55035

APPROVALS

• CE: Yes

• UL: Yes (UL 508, UL 62368-1)

• CSA: Yes

• UKCA: Yes

• BIS: Yes (R-611003204)

• CB प्रमाणपत्र: Yes

• NEC Class 2: No

• ATEX / IECEx / HazLoc: No

MTBF

• At 25 °C: 700,000 h
  (100% load, 12 V/3 A, Vin 115/230 V AC)

ENVIRONMENTAL CONDITIONS

• Operating temperature: –25 … +70 °C
  (Not recommended on low thermal conductive surface such as plastics)

• Transport: –40 … +85 °C

• Storage: –40 … +85 °C

• Relative humidity (no condensation): 20 … 90 %

CONNECTIONS

• Screw terminals:

  • Input (L, N, PE): 0.75 … 2 mm²

  • Output (+, –): 0.75 … 2 mm²

• Auxiliary contacts: None

MECHANICAL DATA

• Dimensions (W × H × D): 82 × 29 × 99 mm

• Mounting: Wall mounting

• DIN rail: No

• S7 rail: No

• Net weight: 0.17 kg 

Technical Details