Schütz,Leistungsschalter,Solarwechselrichter,Stromzähler,Solarbatterien
Vollständige technische Spezifikationen & Global Alternatives
- Aufschlüsselung des Modellcodes
| Codeabschnitt | Code | Beschreibung |
| Serie | VFD | Delta inverter series prefix |
| Nennleistung | 7 | Rated output power 0.75kW (1PS) |
| Produktserie | E | VFD‑E general‑purpose inverter |
| Spannungsklasse | 43 | 3‑phase 400VAC input (380~480V) |
| Sonderfunktion | T | Built‑in brake chopper (Frame A only) |
- Grundlegende technische Spezifikationen
2.1 Elektrische Spezifikationen
| Artikel | Wert | Notizen |
| Nennleistung | 0.75kW (1PS) | For 3‑phase induction motors |
| Nennausgangsstrom | 2.5A (RMS) | 400VAC, 50/60Hz |
| Eingangsspannungsbereich | 3‑phase 380~480VAC, ±10 % | 50/60Hz, ±5 % |
| Ausgangsspannungsbereich | 0~Input Voltage | PWM control, varies with frequency |
| Output Frequency Range | 0.1~600Hz | Einstellbar, max 600Hz |
| Trägerfrequenz | 2~15kHz | Adjustable for noise reduction |
| Überlastfähigkeit | 150% Nennstrom, 60S | Überstromschutz |
| Brake Chopper | Built‑in | External brake resistor optional |
| Leistungsfaktor | ≥0.95 | At full load |
| Effizienz | ≥94% | Bei Nennlast |
2.2 Kontrollieren Sie die Leistung
| Artikel | Wert | Beschreibung |
| Kontrollmethode | Sensorlose Vektorsteuerung (SVC) | High torque at low speed: 150% at 1Hz |
| V/F-Steuerung | Multiple curves available | Linear, square, user‑defined |
| Genauigkeit der Geschwindigkeitsregelung | ±0.5% of rated speed | Without PG feedback |
| Frequenzauflösung | Digital: 0.01Hz, Analog: 0.1% | Precise speed regulation |
| Accel/Decel Time | 0.01~6000s | Independent acceleration and deceleration |
| Built‑in PLC | Simple ladder logic support | Max 10k steps |
| Kommunikation | RS‑485 built‑in, Modbus‑RTU | PROFIBUS/DeviceNet/CANopen optional |
2.3 Mechanisch & Environmental Data
| Artikel | Wert | Beschreibung |
| Schutzgrad | IP20 | Finger protection only, cabinet installation |
| Kühlmethode | Natürliche Konvektion | No forced fan, geringer Wartungsaufwand |
| Abmessungen (B×H×T) | 72×142×152mm | Kompakt, platzsparend |
| Gewicht | Ca. 1.2kg | Einfache Installation |
| Betriebstemp | -10~40°C | Output derates 1% per °C above 40°C |
| Lagertemp | -20~60°C | Avoid moisture and corrosive gas |
| Vibration | 0.5G (5~9Hz), 0.3G (9~150Hz) | IEC-konform |
| Montage | Wall‑mount, side‑by‑side | Space‑efficient in panels |
- Strukturelle Merkmale & Leistungsvorteile
3.1 Designmerkmale
Modularer Aufbau: Supports communication, I/O expansion cards
Integrierte SPS: Simple logic programming, reduces external controllers
Built-in EMI filter: 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 Leistungsvorteile
Sensorlose Vektorsteuerung: 150% rated torque at 1Hz for heavy‑start loads
Schnelle Reaktion: Current loop ≤1ms, speed loop ≤10ms
Low-noise operation: Carrier up to 15kHz
Energy-saving control: Auto energy‑saving mode, bis zu 30% energy reduction
Self-diagnosis: Full protection and real‑time monitoring
- Schlüsselfunktionen & Systemintegration
4.1 Core Control Functions
| Funktion | Beschreibung | Anwendungen |
| SVC Vector Control | High‑precision torque control without encoder | Förderer, Mischer, small machine tools |
| V/F-Steuerung | Standard voltage/frequency control | Fans, Pumps, general machinery |
| Drehmomentkontrolle | Constant output torque regardless of speed | Spannungskontrolle, winding machines |
| PID Control | Built-in PID for closed-loop control | Wasserversorgung mit konstantem Druck, Temperaturregelung |
| Multi-step Speed | Bis zu 16 speeds via terminals or communication | Multi‑process equipment, Automatisierungslinien |
4.2 Integration Notes
Motor matching: 3‑phase induction motor ≤0.75kW, ≤2.5A
Bremswiderstand: Recommended 40Ω, 100W for frequent starts/stops
Kommunikation: PROFIBUS‑DP, DeviceNet, CANopen via cards
PLC programming: Delta DOPSoft software
Parameter settings: Keypad or PC, Sicherung & restore supported
- Typische Anwendungen
- Industrielle Automatisierung: Kleine Werkzeugmaschinen, woodworking, Verpackung, Textilmaschinen
- Materialhandhabung: Förderer, Aufzüge, kleine Kräne, AS/RS
- Fluid Control: Fans, Pumps, Kompressoren, Vakuumpumpen
- Medizinische Ausrüstung: Zentrifugen, Ventilatoren, Prüfinstrumente
- Building Equipment: HVAC, water supply, elevator doors, Rolltreppen
- Lebensmittelverarbeitung: Mixer, filling machines, Versiegelungen, Sterilisatoren
- Fehlerbehebung
| Fehlercode | Fehlertyp | Mögliche Ursachen | Lösungen |
| OC | Überstrom | Motorüberlastung, Kurzschluss, falsche Parameter | Belastung reduzieren, check wiring, extend acceleration |
| OV | Überspannung | High input voltage, excessive braking | Check supply, add brake resistor, extend deceleration |
| UV | Unterspannung | Low voltage, Phasenverlust | Check power supply, restore phase |
| OH | Überhitzung | High ambient temp, schlechte Belüftung | Kühlung verbessern, lower ambient temp |
| GF | Ground Fault | Output grounded, motor insulation fault | Verkabelung prüfen, repair motor insulation |
| OL | Motorüberlastung | Übermäßige Belastung | Reduce load or upgrade inverter |
- Global Brand Cross‑Reference Table
| Marke | Ersatzmodell | Nennleistung | Eingangsspannung | Kommunikation | Hauptmerkmale |
| Delta (Upgrade) | 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 | Kostengünstig, einfache Bedienung |
| Schneider | ATV320U75N4 | 0.75kW | 3‑phase 400V | Modbus | Kompakt, energy‑saving |
| Mitsubishi | FR‑D740‑0.75K‑CHT | 0.75kW | 3‑phase 400V | RS-485 | Vielseitig, general machinery |
| Omron | 3G3MX2‑A4007 | 0.75kW | 3‑phase 400V | Modbus | Schnelle Reaktion, geräuscharm |
| ABB | ACS355‑03E‑02A4‑4 | 0.75kW | 3‑phase 400V | RS-485 | Robust, raue Umgebungen |
| Rockwell | PowerFlex 525‑25B‑D010N104 | 0.75kW | 3‑phase 400V | EtherNet/IP | Strong networking, Logix integration |
- Wichtige Auswahlkriterien
8.1 Leistung & Aktuelle Übereinstimmung
Rated output current ≥ 2.5A
Rated power ≥ 0.75kW
8.2 Kontrollmethode
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 Kommunikation & Erweiterung
Modbus‑RTU support
Expansion card compatibility
8.5 Installation & Kühlung
Compatible dimensions and mounting
Same natural convection cooling
- Recommended Replacement Grades
| Grad | Modell | Grund | Anwendungen |
| 1st Choice | Delta VFD4A8MS33ANSAA | Original upgrade, full compatibility | Existing Delta systems |
| 1st Choice | Siemens V20‑6SL3210‑5BB17‑5UV1 | Global support, hohe Zuverlässigkeit | Industrielle Automatisierung |
| 2nd Choice | Schneider ATV320U75N4 | Kompakt, efficient | Fans, Pumps, building systems |
| 2nd Choice | Mitsubishi FR‑D740‑0.75K‑CHT | Vielseitig, weitgehend kompatibel | Werkzeugmaschinen, textiles |
| Besonders | Rockwell PowerFlex 525 | EtherNet/IP advantage | Intelligente Fabriken |
| Besonders | ABB ACS355‑03E‑02A4‑4 | Robust, dauerhaft | Bergbau, large machinery |
- Replacement Implementation Notes
- Parametermigration
Copy frequency, accel/decel, Steuermodus, braking settings
Match overcurrent, Überspannung, Wärmeschutz
- Wiring Adaptation
Maintain main power (input/output) Konfiguration
Adapt control terminals (DI/DO, AI/AO)
Correct brake resistor wiring
- Inbetriebnahme & Testen
No-load test: Richtung, Geschwindigkeit, noise
Load test: Stabilität, response
Kommunikationstest: Modbus‑RTU
- Wartung & 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, und modularer Aufbau. 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 (1PS), 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
| Artikel | Wert | Matching-Anforderung |
| Nennleistung | 0.75kW (1PS) | Must be ≥ 0.75kW |
| Nennausgangsstrom | 2.5A (RMS) | Must be ≥ 2.5A |
| Eingangsspannung | 3‑phase 380~480VAC | Must match |
| Kontrollmethode | Sensorlose Vektorsteuerung (SVC) | SVC/VVC preferred |
| Brake Function | Built‑in brake chopper (T version) | Must have built‑in brake chopper |
| Kommunikation | RS-485 (Modbus‑RTU) | Modbus‑RTU compatible |
| Schutz | IP20 | At least IP20 |
- Delta Original Upgrade Models
| Ersatzmodell | Serie | Specs | Upgrade-Vorteile | Anwendungen |
| VFD4A8MS33ANSAA | MS300 (Offizieller Ersatz) | 0.75kW, 2.5A, 3‑phase 400V, built‑in brake | Improved performance, parameter compatible, EtherNet/IP | Existing Delta systems |
| VFD007EL43W | EL Series | 0.75kW, 2.5A, 3‑phase 400V, built‑in brake | Ultra‑compact, 5mm side‑by‑side | Space‑limited cabinets |
| VFD007ME43ANNAA | ME300 (EL Upgrade) | 0.75kW, 2.5A, 3‑phase 400V, built‑in brake | Better cooling, dual RJ45, CANopen | New equipment, IIoT |
- Critical Replacement Notes
- Parameter Copy
Copy frequency range, Beschleunigung, deceleration, Steuermodus, braking
Match protection settings (Überstrom, Überspannung, thermal)
- Verdrahtung
Keep main power input/output unchanged
Adapt digital/analog I/O terminals
Correct brake resistor wiring (recommended 40Ω, 100W)
- Inbetriebnahme
No-load test: Richtung, Geschwindigkeit, noise
Load test: Stabilität, response
Kommunikation: 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, aktuell, Stromspannung, braking, and communication to maintain system performance.
