Contator,disjuntor,inversor solar,medidor elétrico,baterias solares
| Peça do modelo | Significado | Explicação detalhada |
| VFD | Delta Inverter Identifier | Abbreviation for Variable Frequency Drive, the universal prefix for Delta’s industrial automation inverters. |
| 55 | Potência do motor aplicável | For 5.5kW (7.5HP) motores; this is the rated output power of the drive. |
| C | Código da série | C2000/C2000+ Series – Delta high-performance general-purpose vector inverter, supporting induction motors and permanent magnet synchronous motors. |
| 43 | Classe de tensão & Fase | 4 = 3-phase 400V class (380~480V); 3 = 3-phase input (contra. 1 para monofásico). |
| UM | Modo de controle & Características | Supports Vector Control (FOC), Controle de Torque (TRQ), high-performance algorithm, 200% starting torque at 0.5Hz. |
| -21 | Versão & Configuração | Versão padrão: built-in braking unit (selected power ratings), no built-in EMC filter (external available), compliant with international standards. |
- Especificações Técnicas Principais (Oficial 2026 Data)
| Categoria | Item | Valor | Notas |
| Basic Specs | Potência nominal | 5.5kW (7.5HP) | For 5.5kW 3-phase induction motors |
| Tensão de entrada | 3-fase 380~480V (+10%/-20%) | 47~63 Hz, ampla faixa de tensão | |
| Corrente de saída nominal | 12UM (serviço pesado) / 10.8UM (light duty) | Continuous operation in heavy-duty mode | |
| Faixa de frequência de saída | 0.1~600Hz | For both low‑ and high‑speed applications | |
| Desempenho de controle | Modo de controle | Sensorless Vector, Closed-loop Vector, Controle V/F | Switchable closed/open loop |
| Torque inicial | 200% torque nominal a 0,5 Hz | Ideal for heavy starting loads | |
| Capacidade de sobrecarga | 150% for 60s; 200% for 3s | For shock loads | |
| Precisão de velocidade | ±0,5% (open-loop) / ±0.02% (closed-loop) | High precision speed control | |
| Torque Response Time | ≤10ms | Fast dynamic response | |
| Hardware | Grau de Proteção | IP20 (cabinet mount) | Finger‑safe; clean environment recommended |
| Resfriamento | Forced air (removable fan) | Fácil manutenção, longa vida útil | |
| Built-in Functions | Unidade de freio (≤7.5kW), CLP (5,000 passos) | Alta integração, menos peças externas | |
| Comunicação | RS-485 (Modbus RTU) padrão | PROFINET/EtherNet/IP/CANopen optional | |
| Ambiente | Temperatura operacional | -10~40°C (derate 40~50°C) | Desclassificar 1% por °C acima de 40°C |
| Temperatura de armazenamento | -20~60°C | Avoid moisture & corrosive gas | |
| Umidade | 5~95% (sem condensação) | Adequado para ambientes industriais |
III. Recursos principais & Vantagens
3.1 High‑Performance Control
Controle vetorial: Precise independent torque & speed control for complex loads.
CLP integrado: 5,000-step logic programming for simple automation, reducing external PLC dependency.
Auto energy saving: Dynamically adjusts output voltage; saves 20~50% at light load.
Motor auto-tuning: Completes matching in <10é, simplifies commissioning.
3.2 Projeto de alta confiabilidade
Estrutura modular: Hot-swappable keypad, expandable I/O and communication cards for easy maintenance.
Proteção total: Sobrecorrente, sobretensão, subtensão, superaquecer, sobrecarga, perda de fase, falha de terra, etc..
Safe stop: Supports STO (Torque seguro desativado), SIL 2 certificado.
Wide grid tolerance: Withstands ±15% voltage fluctuation for harsh grids.
3.3 Flexible Communication & Expansão
Standard RS-485 Modbus RTU for multi-drive network control.
Optional modules: PROFINET, Ethernet/IP, PROFIBUSDP, CANopen.
Compatible with Siemens, Mitsubishi, Rockwell PLCs via standard telegrams and process objects.
Monitoramento remoto & diagnostics via Delta DIAStudio or TIA Portal.
- Aplicativos & Dicas de seleção
4.1 Aplicativos recomendados
| Indústria | Aplicações Típicas | Características |
| General Machinery | Bombas, fãs, compressores, misturadores | Economia de energia, stable operation, longer equipment life |
| Manuseio de materiais | Transportadores, guindastes, guinchos, máquinas de embalagem | High precision speed control, heavy start, quick stop |
| Processamento de metais | Lathes, milling, grinding, punching machines | High response, precise positioning, controle de torque |
| Têxtil & Dyeing | Textile machines, dyeing machines, stenter frames | Constant tension, synchronous operation, wide speed range |
| Plástico & Rubber | Injection molding, extrusion, blow molding | Significant energy saving (20~60%), stable pressure control |
4.2 Pontos-chave da seleção
- Correspondência de poder: Use VFD055C43A-21 for 5.5kW motors; avoid undersizing.
- Tipo de carga:
Torque constante (transportadores, misturadores): use heavy-duty mode (12UM).
Variable torque (fãs, bombas): light-duty mode (10.8UM) for better efficiency.
- Requisitos de controle:
Posicionamento de alta precisão: use encoder (PG card) closed-loop vector.
Network control: add communication module (por exemplo, PROFINET).
- Ambiente:
Alta temperatura: extra cooling or derating required.
Ambiente empoeirado: dust cover + regular fan cleaning.
- Modelos de substituição & Caminho de atualização
5.3 Sugestões de atualização
- Basic upgrade: VFD‑M/GD10 → C2000+ for better precision & funções.
- Communication upgrade: Add PROFINET card for Industry 4.0 connectivity.
- Atualização do sistema: Combine with Delta PLC (Série DVP) & HMI for full automation solution.
Buying Notes
- Confirm suffix -21 (versão padrão), avoid old versions (por exemplo, -00).
- Verify power & atual: 5.5kW → 12A rated.
- Buy from authorized Delta channels for genuine product & serviço.
- Order accessories as needed: communication card, teclado, braking resistor.
VII. Instalação & Manutenção
7.1 Regras de instalação
- Montagem: Wall/cabinet mount, instalação vertical; ≥150mm clearance top & bottom for ventilation.
- Fiação:
Separate power & control cables to avoid interference.
Shielded cable for signals, aterramento de extremidade única.
Braking resistor matched to power (≤7.5kW internal; external ≈100Ω/500W).
- Aterramento: Ground resistance ≤4Ω for safety & noise immunity.
Delta VFD055C43A-21 is a high‑performance 5.5kW vector inverter from the C2000+ series, featuring high precision, confiabilidade, and expandability for diverse industrial applications. With built-in PLC, wide voltage tolerance, and complete protection, it is an excellent choice for general industrial drive solutions. Select based on motor power, tipo de carga, requisitos de controle, and environment for optimal performance and cost-effectiveness.
Complete Replacement Guide for Delta VFD055C43A-21
- Delta Internal Replacements (C2000+ Series, Seamless Compatibility)
1.1 Direct Same‑Series Replacements
| Código de falha | Causa | Solução |
| OC | Sobrecorrente | Check motor short, sobrecarga, acceleration time |
| AV | Sobretensão | Check mains voltage, deceleration time, braking resistor |
| ultravioleta | Subtensão | Check input phase, tensão, cable size |
| OH | Overheat | Check fan, ventilação, temperatura ambiente |
| PH | Perda de fase | Check input/output wiring, motor winding |
1.2 Near‑Power Replacements
| Modelo | Poder | Corrente nominal | Principais recursos | Aplicativo |
| VFD055C43A-21 (Original) | 5.5kW | 12UM / 10.8UM | C2000+, vector, built-in brake, RS-485 | Indústria geral |
| VFD055C43A-21 (Atualizado) | 5.5kW | 12UM | Melhor resfriamento, 10,000-step PLC, more protocols | Novos projetos |
| VFD055CH43A-21 | 5.5kW | 12UM | CH2000, fan/pump specialized | Fãs, bombas |
| VFD055CP43B-21 | 5.5kW | 12UM | CP2000, hoist/crane dedicated | Guindastes, guinchos |
- Global Brand Replacements (5.5kW / 400V Vector)
2.1 Premium Brands
| Marca | Modelo | Série | Controlar | Vantagem |
| Siemens | 6SL3210-1KE21-3UF1 (G120C PN) | SINAMICS G120C | Vector/V/F | PROFINET, Filtro EMC |
| Mitsubishi | FR-A840-00720-2-60 | FREQROL A840 | Vector | High response, built-in PLC |
| Yaskawa | CIMR-AB4A0018FBA | A1000 | Vector | Low noise, estável |
| Schneider | ATV320U75N4 | Altivar 320 | Vector/V/F | Compactar, multi-protocol |
| ABB | ACS550-01-012A-4 | ACS550 | CDT | High torque accuracy |
2.2 Cost‑Effective Brands
| Marca | Modelo | Série | Controlar | Vantagem |
| Inovação | MD280NT5.5GB | MD280 | Vector | PROFINET suportado |
| Veichi | AC70-T3-055G | AC70 | Vector | Full-featured, baixo custo |
| INVT | CHF100A-5R5G/7R5P-4 | CHF 100A | Vector | Built-in brake un |
III. Critical Replacement Rules (Must Follow)
- Poder & atual: Rated power ≥5.5kW, current ≥12A (serviço pesado).
- Tensão: 400Classe V (380~480V) only; do NOT use 200V directly.
- Controlar: Prefer vector control for matching dynamics.
- Sobrecarga: At least 150% for 60s.
- Comunicação: RS-485 standard; PROFINET/EtherNet/IP optional.
Compatibilidade Mecânica
Dimensões: ~90×180×150mm – use same or smaller size.
Resfriamento: Forced air – keep airflow direction.
Unidade de freio: Internal for ≤7.5kW; match external if needed.
Teclado: Use Delta standard keypad or compatible.
Best Replacement by Application
Máquinas gerais: VFD055C43A-21 upgraded or Siemens G120C PN.
Fãs & bombas: VFD055CH43A-21 or Schneider ATV320U75N4.
Cranes/hoists: VFD055CP43B-21 or Mitsubishi FR-A840.
Projetos orçamentários: Inovance MD280NT5.5GB or Veichi AC70-T3-055G.
- Caminhos de atualização
4.1 Delta Internal Upgrade
- C2000 → C2000+ (desempenho & function improvement).
- Add PROFINET module (VFD-CM-PN01) for industrial networking.
- Pair with Delta PLC + HMI for full automation system.
4.2 Cross‑Brand Upgrade
- Comunicação: RS-485 → PROFINET / Ethernet/IP.
- Controlar: Open-loop vector → closed-loop vector with encoder.
- Segurança: Choose models with STO (SIL 2).
The Delta VFD055C43A-21 has a wide range of replacements.
Same‑brand (C2000+ upgraded) offers seamless compatibility.
Cross‑brand (Siemens G120C PN, Mitsubishi FR-A840) provides higher performance.
Always follow core parameter matching to ensure stable, reliable replacement without performance loss or equipment damage.
