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Complete Technical Specifications & Global Alternatives
- Detalhamento do código do modelo
| Code Section | Código | Descrição |
| Série | VFD | Delta inverter series prefix |
| Classificação de potência | 7 | Rated output power 0.75kW (1HP) |
| Série de produtos | E | VFD‑E general‑purpose inverter |
| Classe de tensão | 43 | 3‑phase 400VAC input (380~480V) |
| Função Especial | T | Built‑in brake chopper (Frame A only) |
- Especificações Técnicas Principais
2.1 Especificações Elétricas
| Item | Valor | Notas |
| Potência nominal | 0.75kW (1HP) | For 3‑phase induction motors |
| Rated Output Current | 2.5UM (RMS) | 400VAC, 50/60Hz |
| Faixa de tensão de entrada | 3‑phase 380~480VAC, ±10% | 50/60Hz, ±5% |
| Output Voltage Range | 0~Input Voltage | PWM control, varies with frequency |
| Output Frequency Range | 0.1~600Hz | Ajustável, max 600Hz |
| Frequência da portadora | 2~15kHz | Adjustable for noise reduction |
| Capacidade de sobrecarga | 150% corrente nominal, 60é | Proteção contra sobrecorrente |
| Brake Chopper | Built‑in | External brake resistor optional |
| Fator de potência | ≥0,95 | At full load |
| Eficiência | ≥94% | At rated load |
2.2 Desempenho de controle
| Item | Valor | Descrição |
| Método de controle | Controle vetorial sem sensor (SVC) | Alto torque em baixa velocidade: 150% at 1Hz |
| Controle V/F | Multiple curves available | Linear, square, user‑defined |
| Speed Control Accuracy | ±0.5% of rated speed | Without PG feedback |
| Resolução de frequência | Digital: 0.01Hz, Analog: 0.1% | Precise speed regulation |
| Tempo de aceleração/desaceleração | 0.01~6000s | Independent acceleration and deceleration |
| Built‑in PLC | Simple ladder logic support | Max 10k steps |
| Comunicação | RS‑485 built‑in, Modbus‑RTU | PROFIBUS/DeviceNet/CANopen optional |
2.3 Mecânico & Environmental Data
| Item | Valor | Descrição |
| Grau de Proteção | IP20 | Finger protection only, cabinet installation |
| Método de resfriamento | Natural convection | No forced fan, low maintenance |
| Dimensões (L×A×P) | 72×142×152mm | Compactar, economia de espaço |
| Peso | Aprox.. 1.2kg | Easy installation |
| Operating Temp | -10~40°C | Output derates 1% per °C above 40°C |
| Storage Temp | -20~60°C | Avoid moisture and corrosive gas |
| Vibração | 0.5g (5~9Hz), 0.3g (9~150Hz) | IEC compliant |
| Montagem | Wall‑mount, side‑by‑side | Space‑efficient in panels |
- Características estruturais & Vantagens de desempenho
3.1 Design Features
Projeto modular: Supports communication, I/O expansion cards
Built-in PLC: 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 Vantagens de desempenho
Sensorless vector control: 150% rated torque at 1Hz for heavy‑start loads
Fast response: Current loop ≤1ms, speed loop ≤10ms
Low-noise operation: Carrier up to 15kHz
Energy-saving control: Auto energy‑saving mode, até 30% energy reduction
Self-diagnosis: Full protection and real‑time monitoring
- Key Functions & System Integration
4.1 Core Control Functions
| Função | Descrição | Aplicativos |
| SVC Vector Control | High‑precision torque control without encoder | Conveyors, misturadores, small machine tools |
| Controle V/F | Standard voltage/frequency control | Fãs, bombas, general machinery |
| Controle de Torque | Constant output torque regardless of speed | Tension control, winding machines |
| PID Control | Built-in PID for closed-loop control | Constant pressure water supply, temperature control |
| Multi-step Speed | Até 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
Comunicação: PROFIBUS‑DP, DeviceNet, CANopen via cards
PLC programming: Delta DOPSoft software
Parameter settings: Keypad or PC, backup & restore supported
- Aplicações Típicas
- Automação Industrial: Pequenas máquinas-ferramentas, woodworking, packaging, textile machinery
- Material Handling: Conveyors, elevadores, small cranes, AS/RS
- Fluid Control: Fãs, bombas, compressores, bombas de vácuo
- Medical Equipment: Centrifuges, ventiladores, testing instruments
- Building Equipment: AVAC, water supply, elevator doors, escalators
- Food Processing: Misturadores, filling machines, sealers, sterilizers
- Solução de problemas
| Fault Code | Tipo de falha | Possíveis causas | Soluções |
| OC | Sobrecorrente | Sobrecarga do motor, curto-circuito, wrong parameters | Reduza a carga, check wiring, extend acceleration |
| OV | Sobretensão | High input voltage, excessive braking | Check supply, add brake resistor, extend deceleration |
| UV | Subtensão | Low voltage, perda de fase | Verifique a fonte de alimentação, restore phase |
| OH | Overheating | High ambient temp, má ventilação | Improve cooling, lower ambient temp |
| GF | Ground Fault | Output grounded, motor insulation fault | Check wiring, repair motor insulation |
| OL | Motor Overload | Excessive load | Reduce load or upgrade inverter |
- Global Brand Cross‑Reference Table
| Marca | Modelo de substituição | Potência nominal | Tensão de entrada | Comunicação | Principais recursos |
| Delta (Atualizar) | 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 | Cost‑effective, easy operation |
| Schneider | ATV320U75N4 | 0.75kW | 3‑phase 400V | Modbus | Compactar, energy‑saving |
| Mitsubishi | FR‑D740‑0.75K‑CHT | 0.75kW | 3‑phase 400V | RS‑485 | Versatile, general machinery |
| Omron | 3G3MX2‑A4007 | 0.75kW | 3‑phase 400V | Modbus | Fast response, baixo ruído |
| ABB | ACS355‑03E‑02A4‑4 | 0.75kW | 3‑phase 400V | RS‑485 | Robust, harsh environments |
| Rockwell | PowerFlex 525‑25B‑D010N104 | 0.75kW | 3‑phase 400V | Ethernet/IP | Strong networking, Logix integration |
- Key Selection Criteria
8.1 Poder & Correspondência atual
Rated output current ≥ 2.5A
Rated power ≥ 0.75kW
8.2 Método de controle
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 Comunicação & Expansion
Modbus‑RTU support
Expansion card compatibility
8.5 Instalação & Resfriamento
Compatible dimensions and mounting
Same natural convection cooling
- Recommended Replacement Grades
| Nota | Modelo | Reason | Aplicativos |
| 1st Choice | Delta VFD4A8MS33ANSAA | Original upgrade, full compatibility | Existing Delta systems |
| 1st Choice | Siemens V20‑6SL3210‑5BB17‑5UV1 | Global support, alta confiabilidade | Industrial automation |
| 2nd Choice | Schneider ATV320U75N4 | Compactar, efficient | Fãs, bombas, sistemas de construção |
| 2nd Choice | Mitsubishi FR‑D740‑0.75K‑CHT | Versatile, widely compatible | Machine tools, textiles |
| Special | Rockwell PowerFlex 525 | EtherNet/IP advantage | Smart factories |
| Special | ABB ACS355‑03E‑02A4‑4 | Heavy‑duty, durable | Mineração, large machinery |
- Replacement Implementation Notes
- Parameter Migration
Copy frequency, accel/decel, modo de controle, braking settings
Match overcurrent, sobretensão, proteção térmica
- Wiring Adaptation
Maintain main power (input/output) configuration
Adapt control terminals (DI/DO, AI/AO)
Correct brake resistor wiring
- Comissionamento & Teste
No-load test: direção, velocidade, barulho
Load test: stability, response
Communication test: Modbus‑RTU
- Manutenção & 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, e design modular. 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, função de freio, 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
| Item | Valor | Matching Requirement |
| Potência nominal | 0.75kW (1HP) | Must be ≥ 0.75kW |
| Rated Output Current | 2.5UM (RMS) | Must be ≥ 2.5A |
| Tensão de entrada | 3‑phase 380~480VAC | Must match |
| Método de controle | Controle vetorial sem sensor (SVC) | SVC/VVC preferred |
| Brake Function | Built‑in brake chopper (T version) | Must have built‑in brake chopper |
| Comunicação | RS‑485 (Modbus‑RTU) | Modbus‑RTU compatible |
| Proteção | IP20 | At least IP20 |
- Delta Original Upgrade Models
| Modelo de substituição | Série | Specs | Upgrade Benefits | Aplicativos |
| VFD4A8MS33ANSAA | MS300 (Official Replacement) | 0.75kW, 2.5UM, 3‑phase 400V, built‑in brake | Improved performance, parameter compatible, Ethernet/IP | Existing Delta systems |
| VFD007EL43W | EL Series | 0.75kW, 2.5UM, 3‑phase 400V, built‑in brake | Ultra‑compact, 5mm side‑by‑side | Space‑limited cabinets |
| VFD007ME43ANNAA | ME300 (EL Upgrade) | 0.75kW, 2.5UM, 3‑phase 400V, built‑in brake | Better cooling, dual RJ45, CANopen | New equipment, IIoT |
- Critical Replacement Notes
- Parameter Copy
Copy frequency range, acceleration, deceleration, modo de controle, braking
Match protection settings (sobrecorrente, sobretensão, thermal)
- Fiação
Keep main power input/output unchanged
Adapt digital/analog I/O terminals
Correct brake resistor wiring (recommended 40Ω, 100C)
- Comissionamento
No-load test: direção, velocidade, barulho
Load test: stability, response
Comunicação: 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, atual, tensão, braking, and communication to maintain system performance.
