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This is a flat-type switching power supply of Siemens SITOP PSU100D series, part number 6EP1334-1LD00. It is designed for 24V DC power supply in industrial automation control systems. Acest model a fost întrerupt, and the upgraded variant 6EP1334-1LD01 from the same SITOP PSU100D series is recommended as the replacement.
- Definiția codului modelului
| Segmentul de model | Sens | Descriere |
| 6EP | Siemens Power Supply | Product code for Siemens power supply series |
| 1334 | Product Group | Flat power supply of PSU100D series, 24V DC output, 12.5O evaluare |
| 1LD00 | Version Code | Revision number: 1 = basic version, LD = PSU100D series, 00 = original release |
| PSU100D | Seria de produse | Flat power supply; 100 = series code, D = flat design |
| 24V/12.5A | Output Specification | 24V DC output voltage, 12.5A output current, rated power 300W |
- Specificatii tehnice principale
| Categorie | Date tehnice | Observații |
| General Information | ||
| Tip de produs | Flat-type switching power supply | SITOP PSU100D series, single-phase input |
| Numărul piesei | 6EP1334-1LD00 | Unique official Siemens part code |
| Model de înlocuire | 6EP1334-1LD01 | Upgraded version with output current increased to 14.6A |
| Greutate | 0.81 kg | Rust-proof aluminum alloy housing, robust and durable |
| Stare | Întrerupt | Manufacturer recommends the upgraded model for replacement |
| Parametrii electrici | ||
| Interval de tensiune de intrare | AC 85-132V / 170-264V | Wide-range input with automatic range switching |
| DC 120-370V | ||
| Frecvența de intrare | 47-63 Hz | Compatible with global power grids |
| Rated Output Voltage | DC 24V | Standard voltage for industrial control |
| Output Voltage Adjustment Range | 22-28 V | Adjustable to suit various load requirements |
| Curent nominal de ieșire | 12.5 O | Putere nominală: 300W |
| Output Ripple | ≤150 mVpp | Low ripple, ideal for sensitive electronic devices |
| Eficienţă | Aproximativ. 88% | Energy-saving design |
| Factorul de putere | ≥0,95 | Grid-friendly performance |
| Funcții de protecție | ||
| Protecție la supracurent | Short-circuit protection with auto-recovery | Operates in hiccup mode under output short circuit |
| Protecție la supratensiune | 28.5-30 V | Prevents load damage caused by overvoltage |
| Overtemperature Protection | Activates when internal temperature ＞85°C | Automatic load reduction or shutdown |
| Reverse Polarity Protection | Disponibil | Protects power supply from incorrect wiring |
| Mecanic & Parametrii de mediu | ||
| Dimensiuni (L × H × D) | 105 × 125 × 120 mm | Compact flat design for space saving |
| Tip de montare | Montare pe șină DIN / Direct mounting | Flexible installation options |
| Materialul carcasei | Rust-proof aluminum alloy | Excellent heat dissipation, Clasa de protectie IP20 |
| Temperatura de operare | -10…+70°C | No derating required below +50°C |
| Temperatura de depozitare | -25…+85°C | Suitable for harsh storage conditions |
| Umiditatea relativă | 10…95% | Non-condensing |
| Şoc / Rezistenta la vibratii | 30g / 5g | Adapted to industrial site environments |
- Cross-brand & Old/New Model Replacement List
| Model original | Model de înlocuire | Marca | Descriere de înlocuire |
| 6EP1334-1LD00 | 6EP1334-1LD01 | Siemens | Upgrade în serie; output current raised to 14.6A, complet compatibil funcțional |
| 6EP1334-1LD00 | 6EP1334-1LA00 | Siemens | SITOP PSU100L series, similar functions with different mounting dimensions |
| 6EP1334-1LD00 | SD24-300 | Phoenix Contact | 24V/12.5A, flat design, Montare pe șină DIN |
| 6EP1334-1LD00 | TRIO-PS/3AC/24DC/12.5 | Weidmüller | Wide-range input, Protectie IP20, equivalent performance |
Sfat de selecție: PSU100D (old) / LD01 (new); 24V/12.5A upgraded to 14.6A. For third-party alternatives, choose Phoenix Contact SD24 or Weidmüller TRIO series.
- Lista completă a modelelor (SITOP PSU100D Series)
| Model | Numărul piesei | Output Rating | Input Range | Caracteristici cheie |
| PSU100D 24V/2.2A | 6EP1331-1LD00/1LD01 | 24V DC/2.2A | 100-240V și | Low power, natural convection cooling |
| PSU100D 24V/3.1A | 6EP1332-1LD00/1LD01 | 24V DC/3.1A | 100-240V și | Low-to-medium power, natural convection cooling |
| PSU100D 24V/4.1A | 6EP1332-2LD00/2LD01 | 24V DC/4.1A | 100-240V și | Medium power, natural convection cooling |
| PSU100D 24V/6.2A | 6EP1333-1LD00/1LD01 | 24V DC/6.2A | 100-240V și | Medium power, natural convection cooling |
| PSU100D 24V/12.5A | 6EP1334-1LD00 | 24V DC/12.5A | 100-240V AC/120-370V DC | High power, fan cooling |
| PSU100D 24V/14.6A | 6EP1334-1LD01 | 24V DC/14.6A | 100-240V AC/120-370V DC | Upgraded high power model, fan cooling |
| PSU100D 12V/3A | 6EP1321-1LD00 | 12V DC/3A | 100-240V și | 12V output, putere redusă |
- Defecte comune & Ghid de depanare
| Fenomen de eroare | Cauze posibile | Pași de depanare | Soluții |
| Fără ieșire, green indicator off | 1. Abnormal input power | 1. Measure input voltage (gamă: 85-264V) | 1. Repair input power supply |
| 2. Defective power module | 2. Check if power switch is turned on | 2. Replace the power module | |
| 3. Cablaj incorect | 3. Verify polarity of input and output wiring | 3. Rewire in accordance with manuals | |
| Scăzut / unstable output voltage | 1. Overloaded load | 1. Check if output current exceeds 12.5A | 1. Reduce load or use higher-power power supply |
| 2. Misadjusted voltage potentiometer | 2. Inspect position of voltage adjustment knob | 2. Readjust output voltage to 24V | |
| 3. Aging filter capacitors | 3. Check capacitors for bulging or leakage | 3. Replace faulty filter capacitors | |
| 4. Overheating due to fan failure | 4. Verify fan operation | 4. Replace the fan | |
| Frequent power supply restarts | 1. Excessive input voltage fluctuation | 1. Test input ripple with oscilloscope | 1. Add input filter or voltage stabilizer |
| 2. Instantaneous load overload | 2. Check load for short circuit or inrush current | 2. Optimize load design and add buffer circuit | |
| 3. Activated overtemperature protection | 3. Measure housing temperature (limit: 85°C) | 3. Improve ventilation and remove dust | |
| Excessive output ripple | 1. Failed output filter capacitors | 1. Measure output ripple (limit: 150mVpp) | 1. Replace output filter capacitors |
| 2. Unstable load | 2. Check load for high-frequency switching components | 2. Add filter circuit at load side | |
| 3. Poor grounding | 3. Inspect grounding connection | 3. Implement single-point grounding to reduce interference |
- Medii de aplicație & Cazuri industriale
6.1 Scenarii aplicabile
Automatizare industrială: Power supply for PLC, HMI, senzori, actuators and other control components
Echipamente mecanice: 24V control circuits of packaging machines, masini-unelte, roboți, etc.
Controlul procesului: Power supply for precision devices such as instruments, valve positioners and analytical equipment
Medii industriale dure: Temperatura mare de operare (-10°C ~ +70°C), shock and vibration resistance, suitable for factory workshops
Space-limited Installation: Flat form factor, supports DIN rail mounting or direct installation inside equipment
6.2 Scenarii nerecomandate
Ultra-high precision applications (ripple ＜50mVpp): Adopt high-precision power supplies of SITOP PSU6200 series
Outdoor installation without extra protection: IP20 rating requires additional protective enclosures
High electromagnetic interference environments: Equip with EMC filters or isolation transformers
6.3 Cazuri tipice de aplicare
Caz 1: PLC Control System for Automotive Component Production Line
Configurare
Alimentare electrică: 6EP1334-1LD00 (24V/12.5A)
Controlor: S7-1200 PLC + KTP700 HMI
Loads: 16 electrovalve, 20 proximity switches, 8 senzori fotoelectrici
Process
Controls automotive seat assembly lines for part conveying, poziționare, pressing and other processes
Result
Wide input voltage range adapts to grid fluctuations and ensures continuous line operation
Short-circuit protection prevents system downtime caused by solenoid valve faults and improves equipment reliability
Caz 2: Drive System for Food Packaging Machinery
Configurare
Alimentare electrică: 2 pcs × 6EP1334-1LD00 (redundant configuration)
Unități: 3 pcs × V90 servo drives
Control Components: Touch panel, codificatoare, safety relays
Process
Controls feeding, sealing, cutting and other high-speed & high-precision actions of packaging machines
Result
Redundant design enhances system availability and avoids line shutdown due to power failure
Low ripple output ensures stable operation of servo drives and improves packaging accuracy
Caz 3: Power Supply System for Warehouse & Logistics AGV
Configurare
Alimentare electrică: 6EP1334-1LD00 (installed inside AGV control cabinet)
Battery Charger: SITOP Charger 24V/5A
Loads: AGV controller, motor drives, laser navigation sensors
Process
Provides 24V control power for AGV and charges backup batteries simultaneously
Result
Wide temperature tolerance adapts to warehouse environments; vibration resistance fits mobile equipment
High efficiency saves energy, extends battery life and reduces operational costs
- Instalare & Ghid de întreținere
- Poziția de instalare
Instalați în interiorul dulapului de comandă, keep away from direct sunlight and heat sources. Reserve a clearance of ≥50mm for heat dissipation.
Mount vertically to ensure unobstructed airflow for the built-in fan (12.5A model equipped with fan).
- Cerințe de cablare
Separate input and output cables to avoid interference.
Use power cables with cross-sectional area ≥2.5mm² to guarantee current-carrying capacity.
Apply single-point grounding for shielded cables; grounding at the power input side is recommended.
- Periodic Maintenance
Inspect fan operation and remove dust every 3 luni.
Measure output voltage and ripple every 6 months to maintain stable performance.
Check capacitor condition and replace aged units annually.
- Replacement Solution
Prioritize the upgraded model 6EP1334-1LD01 (24V/14.6A) for new projects.
For higher reliability requirements, select redundant power supply systems of SITOP PSU8200 series.
