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Complete Technical Specifications & Global Alternatives
- Répartition du code modèle
| Code Section | Code | Description |
| Série | VFD | Delta inverter series prefix |
| Puissance nominale | 7 | Rated output power 0.75kW (1HP) |
| Série de produits | E | VFD‑E general‑purpose inverter |
| Classe de tension | 43 | 3‑phase 400VAC input (380~480V) |
| Fonction spéciale | T | Built‑in brake chopper (Frame A only) |
- Spécifications techniques de base
2.1 Spécifications électriques
| Article | Valeur | Remarques |
| Puissance nominale | 0.75kW (1HP) | For 3‑phase induction motors |
| Courant de sortie nominal | 2.5UN (RMS) | 400ACC, 50/60Hz |
| Plage de tension d'entrée | 3‑phase 380~480VAC, ±10% | 50/60Hz, ±5% |
| Output Voltage Range | 0~Input Voltage | Contrôle PWM, varies with frequency |
| Plage de fréquence de sortie | 0.1~600Hz | Réglable, max 600Hz |
| Fréquence porteuse | 2~15kHz | Adjustable for noise reduction |
| Capacité de surcharge | 150% courant nominal, 60s | Protection contre les surintensités |
| Brake Chopper | Built‑in | External brake resistor optional |
| Facteur de puissance | ≥0,95 | At full load |
| Efficacité | ≥94% | À charge nominale |
2.2 Performances de contrôle
| Article | Valeur | Description |
| Méthode de contrôle | Contrôle vectoriel sans capteur (SVC) | Couple élevé à basse vitesse: 150% at 1Hz |
| Contrôle V/F | Multiple curves available | Linéaire, square, user‑defined |
| Speed Control Accuracy | ±0.5% of rated speed | Without PG feedback |
| Résolution de fréquence | Numérique: 0.01Hz, Analogique: 0.1% | Precise speed regulation |
| Temps d'accélération/décélération | 0.01~6000s | Independent acceleration and deceleration |
| Built‑in PLC | Simple ladder logic support | Max 10k steps |
| Communication | RS‑485 built‑in, Modbus‑RTU | PROFIBUS/DeviceNet/CANopen optional |
2.3 Mécanique & Données environnementales
| Article | Valeur | Description |
| Degré de protection | IP20 | Finger protection only, cabinet installation |
| Méthode de refroidissement | Convection naturelle | No forced fan, low maintenance |
| Dimensions (L×H×P) | 72×142×152mm | Compact, gain de place |
| Poids | Environ. 1.2kilos | Installation facile |
| Température de fonctionnement | -10~40°C | Output derates 1% per °C above 40°C |
| Température de stockage | -20~60°C | Avoid moisture and corrosive gas |
| Vibration | 0.5g (5~9Hz), 0.3g (9~150Hz) | IEC compliant |
| Montage | Wall‑mount, side‑by‑side | Space‑efficient in panels |
- Caractéristiques structurelles & Avantages en termes de performances
3.1 Caractéristiques de conception
Conception modulaire: Supports communication, Cartes d'extension E/S
API intégré: Simple logic programming, reduces external controllers
Filtre EMI intégré: Standard on 400V models, reduces EMI
Common DC bus: Supports parallel connection of multiple inverters
Side-by-side installation: Only 5mm spacing required
3.2 Avantages en termes de performances
Sensorless vector control: 150% rated torque at 1Hz for heavy‑start loads
Réponse rapide: Current loop ≤1ms, speed loop ≤10ms
Low-noise operation: Carrier up to 15kHz
Energy-saving control: Auto energy‑saving mode, jusqu'à 30% réduction d'énergie
Self-diagnosis: Full protection and real‑time monitoring
- Fonctions clés & System Integration
4.1 Core Control Functions
| Fonction | Description | Applications |
| SVC Vector Control | High‑precision torque control without encoder | Convoyeurs, mélangeurs, petites machines-outils |
| Contrôle V/F | Standard voltage/frequency control | Ventilateurs, pompes, general machinery |
| Contrôle du couple | Constant output torque regardless of speed | Tension control, winding machines |
| PID Control | Built-in PID for closed-loop control | Alimentation en eau à pression constante, contrôle de la température |
| Multi-step Speed | Jusqu'à 16 speeds via terminals or communication | Multi‑process equipment, automation lines |
4.2 Integration Notes
Motor matching: 3‑phase induction motor ≤0.75kW, ≤2.5A
Brake resistor: Recommended 40Ω, 100W for frequent starts/stops
Communication: PROFIBUS‑DP, AppareilNet, CANopen via cards
PLC programming: Delta DOPSoft software
Parameter settings: Keypad or PC, sauvegarde & restore supported
- Applications typiques
- Automatisation industrielle: Petites machines-outils, woodworking, conditionnement, machines textiles
- Manutention des matériaux: Convoyeurs, ascenseurs, petites grues, AS/RS
- Fluid Control: Ventilateurs, pompes, compresseurs, pompes à vide
- Équipement médical: Centrifuges, ventilateurs, instruments de test
- Building Equipment: CVC, water supply, elevator doors, escaliers mécaniques
- Transformation des aliments: Mélangeurs, machines de remplissage, sealers, stérilisateurs
- Dépannage
| Code d'erreur | Type de défaut | Causes possibles | Solutions |
| OC | Surintensité | Surcharge du moteur, court-circuit, wrong parameters | Réduire la charge, check wiring, extend acceleration |
| VO | Surtension | High input voltage, excessive braking | Vérifier l'approvisionnement, add brake resistor, extend deceleration |
| UV | Sous-tension | Basse tension, perte de phase | Check power supply, restore phase |
| OH | Surchauffe | High ambient temp, mauvaise ventilation | Améliorer le refroidissement, lower ambient temp |
| Petite amie | Défaut à la terre | Sortie mise à la terre, défaut d'isolement du moteur | Vérifier le câblage, repair motor insulation |
| OL | Surcharge du moteur | Charge excessive | Reduce load or upgrade inverter |
- Global Brand Cross‑Reference Table
| Marque | Modèle de remplacement | Puissance nominale | Tension d'entrée | Communication | Principales fonctionnalités |
| Delta (Mise à niveau) | VFD4A8MS33ANSAA | 0.75kW | 3‑phase 400V | RS‑485 | MS300 series, replaces VFD‑E |
| Siemens | V20‑6SL3210‑5BB17‑5UV1 | 0.75kW | 3‑phase 400V | RS‑485 | Rentable, opération facile |
| Schneider | ATV320U75N4 | 0.75kW | 3‑phase 400V | Modbus | Compact, energy‑saving |
| Mitsubishi | FR‑D740‑0.75K‑CHT | 0.75kW | 3‑phase 400V | RS‑485 | Polyvalent, general machinery |
| Omron | 3G3MX2‑A4007 | 0.75kW | 3‑phase 400V | Modbus | Réponse rapide, faible bruit |
| ABB | ACS355‑03E‑02A4‑4 | 0.75kW | 3‑phase 400V | RS‑485 | Robuste, harsh environments |
| Rockwell | PowerFlex 525‑25B‑D010N104 | 0.75kW | 3‑phase 400V | EtherNet/IP | Strong networking, Logix integration |
- Critères de sélection clés
8.1 Pouvoir & Correspondance actuelle
Rated output current ≥ 2.5A
Rated power ≥ 0.75kW
8.2 Méthode de contrôle
Prefer Sensorless Vector Control (SVC)
PG feedback vector for higher precision
8.3 Brake Function
Must support built‑in brake chopper
Must allow external brake resistor
8.4 Communication & Expansion
Modbus‑RTU support
Expansion card compatibility
8.5 Installation & Refroidissement
Compatible dimensions and mounting
Same natural convection cooling
- Recommended Replacement Grades
| Grade | Modèle | Raison | Applications |
| 1st Choice | Delta VFD4A8MS33ANSAA | Original upgrade, full compatibility | Existing Delta systems |
| 1st Choice | Siemens V20‑6SL3210‑5BB17‑5UV1 | Global support, haute fiabilité | Automatisation industrielle |
| 2nd Choice | Schneider ATV320U75N4 | Compact, efficient | Ventilateurs, pompes, systèmes de construction |
| 2nd Choice | Mitsubishi FR‑D740‑0.75K‑CHT | Polyvalent, widely compatible | Machines-outils, textiles |
| Spécial | Rockwell PowerFlex 525 | EtherNet/IP advantage | Smart factories |
| Spécial | ABB ACS355‑03E‑02A4‑4 | Robuste, durable | Exploitation minière, large machinery |
- Notes d'implémentation de remplacement
- Migration des paramètres
Copy frequency, accel/decel, mode de contrôle, braking settings
Match overcurrent, surtension, protection thermique
- Wiring Adaptation
Maintain main power (input/output) configuration
Adapt control terminals (DI/DO, AI/AO)
Correct brake resistor wiring
- Mise en service & Essai
Test à vide: direction, vitesse, bruit
Essai de charge: stabilité, response
Test de communication: Modbus‑RTU
- Entretien & Training
Familiarize with new keypad and software
Establish maintenance schedule
The Delta VFD007E43T is a widely used 0.75kW general‑purpose inverter from the VFD‑E series, featuring sensorless vector control, built‑in PLC, et conception modulaire. As the series is discontinued, the Delta MS300 series is the recommended direct replacement. For cross‑brand replacement, Siemens V20 and Schneider ATV320 are reliable alternatives. Selection priority should be given to parameter matching, control compatibility, brake function, and ease of integration to ensure equivalent or better performance.
Complete Guide to Delta VFD007E43T Replacements
The Delta VFD007E43T is a 0.75kW (1HP), 3‑phase 400V general‑purpose inverter from the VFD‑E series with a built‑in brake chopper. Below is a complete list of Delta original upgrade models and global brand alternatives, sorted by recommendation level.
- Base Reference Specifications
| Article | Valeur | Exigence de correspondance |
| Puissance nominale | 0.75kW (1HP) | Must be ≥ 0.75kW |
| Courant de sortie nominal | 2.5UN (RMS) | Must be ≥ 2.5A |
| Tension d'entrée | 3‑phase 380~480VAC | Must match |
| Méthode de contrôle | Contrôle vectoriel sans capteur (SVC) | SVC/VVC preferred |
| Brake Function | Built‑in brake chopper (T version) | Must have built‑in brake chopper |
| Communication | RS‑485 (Modbus‑RTU) | Modbus‑RTU compatible |
| Protection | IP20 | At least IP20 |
- Delta Original Upgrade Models
| Modèle de remplacement | Série | Specs | Upgrade Benefits | Applications |
| VFD4A8MS33ANSAA | MS300 (Remplacement officiel) | 0.75kW, 2.5UN, 3‑phase 400V, built‑in brake | Improved performance, paramètre compatible, EtherNet/IP | Existing Delta systems |
| VFD007EL43W | EL Series | 0.75kW, 2.5UN, 3‑phase 400V, built‑in brake | Ultra‑compact, 5mm side‑by‑side | Space‑limited cabinets |
| VFD007ME43ANNAA | ME300 (EL Upgrade) | 0.75kW, 2.5UN, 3‑phase 400V, built‑in brake | Better cooling, double RJ45, CANopen | New equipment, IIoT |
- Notes de remplacement critiques
- Parameter Copy
Copy frequency range, acceleration, deceleration, mode de contrôle, braking
Match protection settings (surintensité, surtension, thermal)
- Câblage
Keep main power input/output unchanged
Adapt digital/analog I/O terminals
Correct brake resistor wiring (recommended 40Ω, 100W)
- Mise en service
Test à vide: direction, vitesse, bruit
Essai de charge: stabilité, response
Communication: verify Modbus‑RTU
The Delta VFD007E43T has many reliable replacements. For minimum modification, choose the Delta MS300 series. For cross-brand projects, Siemens V20 and Schneider ATV320 are highly reliable. Always match power, actuel, tension, braking, and communication to maintain system performance.
