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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. Ce modèle a été abandonné, and the upgraded variant 6EP1334-1LD01 from the same SITOP PSU100D series is recommended as the replacement.
- Définition du code modèle
| Segment de modèle | Signification | Description |
| 6PE | Siemens Power Supply | Product code for Siemens power supply series |
| 1334 | Product Group | Flat power supply of PSU100D series, 24V DC output, 12.5Une note |
| 1LD00 | Version Code | Revision number: 1 = basic version, LD = PSU100D series, 00 = original release |
| PSU100D | Série de produits | Flat power supply; 100 = series code, D = flat design |
| 24V/12.5A | Spécification de sortie | 24V DC output voltage, 12.5A output current, rated power 300W |
- Principales spécifications techniques
| Catégorie | Données techniques | Remarques |
| General Information | ||
| Type de produit | Flat-type switching power supply | SITOP PSU100D series, single-phase input |
| Numéro de pièce | 6EP1334-1LD00 | Unique official Siemens part code |
| Modèle de remplacement | 6EP1334-1LD01 | Upgraded version with output current increased to 14.6A |
| Poids | 0.81 kilos | Rust-proof aluminum alloy housing, robust and durable |
| Statut | Discontinué | Manufacturer recommends the upgraded model for replacement |
| Paramètres électriques | ||
| Plage de tension d'entrée | AC 85-132V / 170-264V | Wide-range input with automatic range switching |
| DC 120-370V | ||
| Fréquence d'entrée | 47-63 Hz | Compatible with global power grids |
| Rated Output Voltage | C.C 24 V | Standard voltage for industrial control |
| Output Voltage Adjustment Range | 22-28 V | Adjustable to suit various load requirements |
| Courant de sortie nominal | 12.5 UN | Puissance nominale: 300W |
| Output Ripple | ≤150 mVpp | Low ripple, ideal for sensitive electronic devices |
| Efficacité | Environ. 88% | Energy-saving design |
| Facteur de puissance | ≥0,95 | Grid-friendly performance |
| Fonctions de protection | ||
| Protection contre les surintensités | Short-circuit protection with auto-recovery | Operates in hiccup mode under output short circuit |
| Protection contre les surtensions | 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 | Available | Protects power supply from incorrect wiring |
| Mécanique & Paramètres environnementaux | ||
| Dimensions (L × H × P) | 105 × 125 × 120 mm | Compact flat design for space saving |
| Type de montage | Montage sur rail DIN / Direct mounting | Flexible installation options |
| Matériau du boîtier | Rust-proof aluminum alloy | Excellent heat dissipation, Classe de protection IP20 |
| Température de fonctionnement | -10…+70°C | No derating required below +50°C |
| Température de stockage | -25…+85°C | Suitable for harsh storage conditions |
| Humidité relative | 10…95% | Sans condensation |
| Choc / Résistance aux vibrations | 30g / 5g | Adapted to industrial site environments |
- Multimarque & Old/New Model Replacement List
| Modèle original | Modèle de remplacement | Marque | Description du remplacement |
| 6EP1334-1LD00 | 6EP1334-1LD01 | Siemens | In-series upgrade; output current raised to 14.6A, fully functionally compatible |
| 6EP1334-1LD00 | 6EP1334-1LA00 | Siemens | SITOP PSU100L series, similar functions with different mounting dimensions |
| 6EP1334-1LD00 | SD24-300 | Contact Phénix | 24V/12.5A, flat design, Montage sur rail DIN |
| 6EP1334-1LD00 | TRIO-PS/3AC/24DC/12.5 | Weidmüller | Wide-range input, Protection IP20, equivalent performance |
Conseil de sélection: PSU100D (old) / LD01 (nouveau); 24V/12.5A upgraded to 14.6A. For third-party alternatives, choose Phoenix Contact SD24 or Weidmüller TRIO series.
- Liste complète des modèles (SITOP PSU100D Series)
| Modèle | Numéro de pièce | Output Rating | Input Range | Principales fonctionnalités |
| PSU100D 24V/2.2A | 6EP1331-1LD00/1LD01 | 24V DC/2.2A | 100-240V et | Faible puissance, natural convection cooling |
| PSU100D 24V/3.1A | 6EP1332-1LD00/1LD01 | 24V DC/3.1A | 100-240V et | Low-to-medium power, natural convection cooling |
| PSU100D 24V/4.1A | 6EP1332-2LD00/2LD01 | 24V DC/4.1A | 100-240V et | Medium power, natural convection cooling |
| PSU100D 24V/6.2A | 6EP1333-1LD00/1LD01 | 24V DC/6.2A | 100-240V et | 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 et | 12V output, faible puissance |
- Défauts courants & Guide de dépannage
| Phénomène de défaut | Causes possibles | Étapes de dépannage | Solutions |
| No output, green indicator off | 1. Abnormal input power | 1. Measure input voltage (gamme: 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. Câblage incorrect | 3. Verify polarity of input and output wiring | 3. Rewire in accordance with manuals | |
| Faible / 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. Condensateurs de filtre vieillissants | 3. Check capacitors for bulging or leakage | 3. Replace faulty filter capacitors | |
| 4. Overheating due to fan failure | 4. Vérifier le fonctionnement du ventilateur | 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 | |
| Ondulation de sortie excessive | 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. Mauvaise mise à la terre | 3. Inspect grounding connection | 3. Implement single-point grounding to reduce interference |
- Application Environments & Cas industriels
6.1 Scénarios applicables
Automatisation industrielle: Power supply for PLC, IHM, capteurs, actuators and other control components
Équipement mécanique: 24V control circuits of packaging machines, machines-outils, robots, etc..
Contrôle des processus: Power supply for precision devices such as instruments, valve positioners and analytical equipment
Harsh Industrial Environments: Wide operating temperature (-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 Not Recommended Scenarios
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 Cas d'application typiques
Cas 1: PLC Control System for Automotive Component Production Line
Configuration
Alimentation: 6EP1334-1LD00 (24V/12.5A)
Contrôleur: S7-1200 PLC + KTP700 HMI
Loads: 16 électrovannes, 20 proximity switches, 8 capteurs photoélectriques
Process
Controls automotive seat assembly lines for part conveying, positionnement, pressing and other processes
Résultat
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
Cas 2: Drive System for Food Packaging Machinery
Configuration
Alimentation: 2 pcs × 6EP1334-1LD00 (redundant configuration)
Lecteurs: 3 pcs × V90 servo drives
Control Components: Touch panel, encoders, safety relays
Process
Controls feeding, scellage, cutting and other high-speed & high-precision actions of packaging machines
Résultat
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
Cas 3: Power Supply System for Warehouse & Logistics AGV
Configuration
Alimentation: 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
Résultat
Wide temperature tolerance adapts to warehouse environments; vibration resistance fits mobile equipment
High efficiency saves energy, extends battery life and reduces operational costs
- Installation & Directives d'entretien
- Position d'installation
Install inside control cabinet, 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).
- Exigences de câblage
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.
- Entretien périodique
Inspect fan operation and remove dust every 3 mois.
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.
