Main Components of a PLC System: Complete Guide for Engineers
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The Siemens SITOP PSU100L 6EP1333-1LB00 is a single-phase stabilized power supply that converts a 120/230 V AC input, selectable by an on-device switch, into a controlled 24 V DC output rated at 5 A (120 W). It mounts on a DIN rail EN 60715, carries IP20 protection, and buffers the output for at least 20 ms during a mains dip.
The dual-range 120/230 V input, switch-selected rather than auto-sensing, means the installer sets the correct range for the site mains before commissioning. At 5 A / 120 W rated output with 2 units allowed in parallel for redundancy or increased power, this PSU100L covers small to mid-size 24 V DC control loads; step up to a PSU100S or PSU300S output-current class if the connected load exceeds 5 A continuous. The 20 ms minimum buffering time at Vin = 93/187 V is the figure to check against the downstream PLC's ride-through requirement for short mains dips.
Powers 24 V DC control circuits, PLC I/O, and relay logic from a single-phase 120/230 V supply in control cabinets and machine panels where DIN-rail mounting and compact width matter.
| product brand name | SITOP |
|---|---|
| product type designation | PSU100L |
| product designation | Power supply SITOP lite |
| type of current supply | 24 V/5 A |
| type of the power supply network | 1-phase AC |
|---|---|
| phase number | 1 |
| voltage curve at input | AC |
| supply voltage at AC | Set by means of selector switch on the device |
| supply voltage | 120 V/230 V |
| input voltage 1 at AC | 93 ... 132 V |
| input voltage 2 at AC | 187 ... 264 V |
| supply voltage: at 50 Hz | 230 V |
| supply voltage: at 60 Hz | 120 V |
| line frequency | 50/60 Hz |
| wide range input | No |
| overvoltage overload capability | 2.3 × Vin rated, 1.3 ms |
| buffering time for rated value of the output current in the event of power failure minimum | 20 ms |
| operating condition of the mains buffering | at Vin = 93/187 V |
| input current: at rated input voltage 120 V | 2.1 A |
| input current: at rated input voltage 230 V | 1.15 A |
| current limitation of inrush current at 25 °C maximum | 32 A |
| duration of inrush current limiting at 25 °C: typical | 3 ms |
| I2t value maximum | 0.8 A2·s |
| fuse protection type | T 3,15 A/250 V (not accessible) |
| fuse protection type in the feeder | Recommended miniature circuit breaker: from 6 A characteristic C |
| voltage curve at output | Controlled, isolated DC voltage |
|---|---|
| product function output voltage controlled | Yes |
| product function output voltage stabilized | Yes |
| output voltage at DC rated value | 24 V |
| output voltage: at output 1 at DC rated value | 24 V |
| output voltage: at output 1 at DC | 24 V |
| output voltage adjustable | Yes; via potentiometer |
| adjustable output voltage | 22.8 ... 26.4 V |
| relative overall tolerance of the voltage | 3% |
| relative control precision of the output voltage: on slow fluctuation of input voltage | 0.1 % |
| residual ripple: maximum | 150 mV |
| residual ripple: typical | 50 mV |
| voltage peak: maximum | 240 mV |
| voltage peak: typical | 150 mV |
| display version for normal operation | Green LED for 24 V OK |
| behavior of the output voltage when switching on | Overshoot of Vout approx. 4 % |
| response delay maximum | 1.5 s |
| voltage increase time of the output voltage: typical | 130 ms |
| output current: rated value | 5 A |
| output current: rated range | 0 ... 5 A; +45 ... +60 °C: Derating 2%/K |
| supplied active power typical | 120 W |
| bridging of equipment | Yes |
| number of parallel-switched equipment resources for increasing the power | 2 |
| Part number | 6EP1333-1LB00 |
|---|---|
| Type designation | PSU100L |
| Brand | Siemens |
| Condition | New, factory sealed |
| Source | Siemens and its authorised distributors |
| Warranty | Manufacturer warranty |
| Lifecycle status | Phase-out announced by the manufacturer |
| EAN | 4025515152989 |
| ETIM class | EC002540 |
| eCl@ss | 27040701 |
| efficiency in percent | 86 % |
|---|---|
| power loss [W]: at rated output voltage for rated value of the output current typical | 17 W |
| relative control precision of the output voltage with rapid fluctuation of the input voltage by +/- 15% typical | 0.3 % |
|---|---|
| relative control precision of the output voltage at load step of resistive load 10/90/10 % typical | 2% |
| setting time: load step 10 to 90% typical | 0.4 ms |
| setting time: load step 90 to 10% typical | 0.4 ms |
| design of the overvoltage protection | < 33 V |
|---|---|
| property of the output short-circuit proof | Yes |
| design of short-circuit protection | Constant current characteristic |
| typical | 5.25 A |
| enduring short circuit current RMS value: typical | 8 A |
| electrical separation between input and output | Yes |
|---|---|
| galvanic isolation | Output voltage: SELV, ES1 (IEC 62368-1), DVC As (IEC 61204-7) |
| operating resource protection class | Class I |
| leakage current: maximum | 3.5 mA |
| leakage current: typical | 0.4 mA |
| protection class IP | IP20 |
| standard: for emitted interference | EN 55022 Class A |
|---|---|
| standard: for mains harmonics limitation | - |
| standard: for interference immunity | EN 61000-6-2 |
| certificate of suitability: CE marking | Yes |
|---|---|
| certificate of suitability: UL approval | Yes; cULus-Listed (UL 508, CSA C22.2 No. 107.1), File E197259 |
| certificate of suitability: UKCA marking | Yes |
| certificate of suitability: EAC approval | Yes |
| certificate of suitability: NEC Class 2 | No |
| type of certification: BIS | Yes; R-41183539 |
| type of certification: CB-certificate | Yes |
| MTBF at 40 °C | 3 076 166 h |
| certificate of suitability: IECEx | No |
|---|---|
| certificate of suitability: ATEX | No |
| certificate of suitability: ULhazloc approval | No |
| certificate of suitability: FM registration | No |
| shipbuilding approval | No |
|---|---|
| Marine classification association: American Bureau of Shipping Europe Ltd. (ABS) | No |
| Marine classification association: French marine classification society (BV) | No |
| Marine classification association: Det Norske Veritas (DNV) | No |
| Marine classification association: Lloyds Register of Shipping (LRS) | No |
| Environmental Product Declaration | Yes |
|---|---|
| global warming potential [CO2 eq]: total | 474.3 kg |
| global warming potential [CO2 eq]: during manufacturing | 12.9 kg |
| global warming potential [CO2 eq]: during operation | 460.9 kg |
| global warming potential [CO2 eq]: after end of life | 0.37 kg |
| ambient temperature: during operation | 0 ... 60 °C; with natural convection |
|---|---|
| ambient temperature: during transport | -40 ... +85 °C |
| ambient temperature: during storage | -40 ... +85 °C |
| environmental category according to IEC 60721 | Climate class 3K3, 5 ... 95% no condensation |
| type of electrical connection | screw terminal |
|---|---|
| at input | L, N, PE: 1 screw terminal each for 0.5 ... 2.5 mm2 single-core/finely stranded |
| at output | +, -: 2 screw terminals each for 0.5 ... 2.5 mm2 |
| for auxiliary contacts | - |
| width × height × depth of the enclosure | 50 × 125 × 120 mm |
|---|---|
| installation width × mounting height | 50 mm × 225 mm |
| required spacing: top | 50 mm |
| required spacing: bottom | 50 mm |
| required spacing: left | 0 mm |
| required spacing: right | 0 mm |
| fastening method | Snaps onto DIN rail EN 60715 35x7.5/15 |
| DIN-rail mounting | Yes |
| S7 rail mounting | No |
| wall mounting | No |
| housing can be lined up | Yes |
| eClass | 16 27-04-07-01 |
|---|---|
| ETIM | 10 EC002540 |
| IDEA | 4 4130 |
| UNSPSC | 15 39-12-10-04 |
| Net weight | 0.4 kg |
|---|---|
| Country of origin | Romania |
| Shipping weight | 0.9 kg |
| Ships from | Türkiye |
| Dispatch | 13 Nov |
| Stock | In stock |
Source: manufacturer data · Last verified: 01 Nov 2026
No documents are on file for this part yet.
Ask us for the datasheetThe rated current of PSU100L is 5 A.
The rated operational voltage of PSU100L is 120–230–24–DC V DC.
The rated motor power of PSU100L is 0.12 kW.
The tariff (HS) code on file for PSU100L is 85044083.
The EAN (GTIN) of PSU100L is 4025515152989.
PSU100L ships from Türkiye. Shipping calculated at checkout · import duties and taxes paid on arrival. Stock items are dispatched within 1–2 business days.
Master PLC system components: CPU, power supply, I/O modules, communication interfaces, and software with sizing formulas and selection tips. Shop at Stoklink.