コンタクタ,サーキットブレーカー,ソーラーインバーター,電気メーター,太陽電池
Complete Technical Specifications & Global Alternatives
- モデルコードの内訳
| Code Section | コード | 説明 |
| シリーズ | VFD | Delta inverter series prefix |
| 定格電力 | 7 | Rated output power 0.75kW (1HP) |
| 製品シリーズ | E | VFD‑E general‑purpose inverter |
| Voltage Class | 43 | 3‑phase 400VAC input (380~480V) |
| 特別な機能 | T | Built‑in brake chopper (Frame A only) |
- 主要な技術仕様
2.1 電気仕様
| アイテム | 価値 | 注意事項 |
| Rated Power | 0.75kW (1HP) | For 3‑phase induction motors |
| 定格出力電流 | 2.5あ (RMS) | 400VAC, 50/60Hz |
| 入力電圧範囲 | 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 | Adjustable, max 600Hz |
| Carrier Frequency | 2~15kHz | Adjustable for noise reduction |
| 過負荷容量 | 150% 定格電流, 60s | 過電流保護 |
| Brake Chopper | Built‑in | External brake resistor optional |
| 力率 | ≥0.95 | At full load |
| 効率 | ≥94% | At rated load |
2.2 制御性能
| アイテム | 価値 | 説明 |
| 制御方法 | Sensorless Vector Control (SVC) | High torque at low speed: 150% at 1Hz |
| V/F Control | Multiple curves available | Linear, square, user‑defined |
| Speed Control Accuracy | ±0.5% of rated speed | Without PG feedback |
| Frequency Resolution | 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 |
| コミュニケーション | RS‑485 built‑in, Modbus‑RTU | PROFIBUS/DeviceNet/CANopen optional |
2.3 機械式 & Environmental Data
| アイテム | 価値 | 説明 |
| 保護等級 | IP20 | Finger protection only, cabinet installation |
| 冷却方法 | Natural convection | No forced fan, low maintenance |
| 寸法 (幅×高さ×奥行き) | 72×142×152mm | コンパクト, space‑saving |
| 重さ | 約. 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 |
| 振動 | 0.5g (5~9Hz), 0.3g (9~150Hz) | IEC compliant |
| 取り付け | Wall‑mount, side‑by‑side | Space‑efficient in panels |
- 構造上の特徴 & パフォーマンス上の利点
3.1 デザインの特徴
モジュラー設計: Supports communication, I/O expansion cards
Built-in PLC: Simple logic programming, reduces external controllers
内蔵EMIフィルター: 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 パフォーマンス上の利点
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, まで 30% energy reduction
Self-diagnosis: Full protection and real‑time monitoring
- 主な機能 & System Integration
4.1 Core Control Functions
| 関数 | 説明 | アプリケーション |
| SVC Vector Control | High‑precision torque control without encoder | Conveyors, ミキサー, 小型工作機械 |
| V/F Control | Standard voltage/frequency control | ファン, パンプス, general machinery |
| Torque Control | Constant output torque regardless of speed | Tension control, 巻線機 |
| PID Control | Built-in PID for closed-loop control | 定圧給水, temperature control |
| Multi-step Speed | まで 16 speeds via terminals or communication | Multi‑process equipment, 自動化ライン |
4.2 Integration Notes
Motor matching: 3‑phase induction motor ≤0.75kW, ≤2.5A
Brake resistor: Recommended 40Ω, 100W for frequent starts/stops
コミュニケーション: PROFIBUS‑DP, デバイスネット, CANopen via cards
PLC programming: Delta DOPSoft software
Parameter settings: Keypad or PC, バックアップ & restore supported
- 代表的な用途
- 産業オートメーション: 小型工作機械, woodworking, 梱包, 繊維機械
- Material Handling: Conveyors, エレベーター, small cranes, AS/RS
- Fluid Control: ファン, パンプス, コンプレッサー, vacuum pumps
- 医療機器: Centrifuges, 人工呼吸器, testing instruments
- Building Equipment: 空調設備, water supply, elevator doors, escalators
- Food Processing: Mixers, filling machines, sealers, sterilizers
- トラブルシューティング
| 故障コード | Fault Type | 考えられる原因 | ソリューション |
| OC | 過電流 | Motor overload, 短絡, wrong parameters | 負荷を軽減する, check wiring, extend acceleration |
| OV | 過電圧 | High input voltage, excessive braking | Check supply, add brake resistor, extend deceleration |
| UV | 不足電圧 | 低電圧, 位相損失 | 電源を確認してください, restore phase |
| OH | Overheating | High ambient temp, 換気が悪い | 冷却を改善する, lower ambient temp |
| GF | Ground Fault | Output grounded, motor insulation fault | 配線を確認してください, repair motor insulation |
| OL | モーターの過負荷 | Excessive load | Reduce load or upgrade inverter |
- Global Brand Cross‑Reference Table
| ブランド | 代替機種 | Rated Power | 入力電圧 | コミュニケーション | 主な特長 |
| デルタ (アップグレード) | VFD4A8MS33ANSAA | 0.75kW | 3‑phase 400V | RS‑485 | MS300 series, replaces VFD‑E |
| シーメンス | V20‑6SL3210‑5BB17‑5UV1 | 0.75kW | 3‑phase 400V | RS‑485 | 費用対効果の高い, easy operation |
| シュナイダー | ATV320U75N4 | 0.75kW | 3‑phase 400V | Modbus | コンパクト, energy‑saving |
| 三菱 | FR‑D740‑0.75K‑CHT | 0.75kW | 3‑phase 400V | RS‑485 | 多用途, general machinery |
| オムロン | 3G3MX2‑A4007 | 0.75kW | 3‑phase 400V | Modbus | Fast response, 低騒音 |
| ABB | ACS355‑03E‑02A4‑4 | 0.75kW | 3‑phase 400V | RS‑485 | 屈強, harsh environments |
| Rockwell | PowerFlex 525‑25B‑D010N104 | 0.75kW | 3‑phase 400V | イーサネット/IP | Strong networking, Logix integration |
- 主要な選択基準
8.1 力 & 現在のマッチング
Rated output current ≥ 2.5A
Rated power ≥ 0.75kW
8.2 制御方法
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 コミュニケーション & 拡大
Modbus‑RTU support
Expansion card compatibility
8.5 インストール & 冷却
Compatible dimensions and mounting
Same natural convection cooling
- Recommended Replacement Grades
| Grade | モデル | 理由 | アプリケーション |
| 1st Choice | Delta VFD4A8MS33ANSAA | Original upgrade, full compatibility | Existing Delta systems |
| 1st Choice | Siemens V20‑6SL3210‑5BB17‑5UV1 | Global support, 高い信頼性 | 産業オートメーション |
| 2nd Choice | Schneider ATV320U75N4 | コンパクト, efficient | ファン, パンプス, building systems |
| 2nd Choice | Mitsubishi FR‑D740‑0.75K‑CHT | 多用途, widely compatible | 工作機械, textiles |
| Special | Rockwell PowerFlex 525 | EtherNet/IP advantage | Smart factories |
| Special | ABB ACS355‑03E‑02A4‑4 | 耐久性の高い, 耐久性のある | Mining, large machinery |
- Replacement Implementation Notes
- Parameter Migration
Copy frequency, accel/decel, 制御モード, braking settings
Match overcurrent, 過電圧, thermal protection
- Wiring Adaptation
Maintain main power (input/output) configuration
Adapt control terminals (ディ/ドゥ, AI/世界)
Correct brake resistor wiring
- 試運転 & テスト
無負荷試験: direction, スピード, ノイズ
負荷試験: stability, response
通信テスト: Modbus‑RTU
- メンテナンス & 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, モジュール設計. 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
| アイテム | 価値 | Matching Requirement |
| Rated Power | 0.75kW (1HP) | Must be ≥ 0.75kW |
| 定格出力電流 | 2.5あ (RMS) | Must be ≥ 2.5A |
| 入力電圧 | 3‑phase 380~480VAC | Must match |
| 制御方法 | Sensorless Vector Control (SVC) | SVC/VVC preferred |
| Brake Function | Built‑in brake chopper (T version) | Must have built‑in brake chopper |
| コミュニケーション | RS‑485 (Modbus‑RTU) | Modbus‑RTU compatible |
| 保護 | IP20 | At least IP20 |
- Delta Original Upgrade Models
| 代替機種 | シリーズ | Specs | アップグレード特典 | アプリケーション |
| VFD4A8MS33ANSAA | MS300 (Official Replacement) | 0.75kW, 2.5あ, 3‑phase 400V, built‑in brake | パフォーマンスの向上, parameter compatible, イーサネット/IP | Existing Delta systems |
| VFD007EL43W | EL Series | 0.75kW, 2.5あ, 3‑phase 400V, built‑in brake | Ultra‑compact, 5mm side‑by‑side | Space‑limited cabinets |
| VFD007ME43ANNAA | ME300 (EL Upgrade) | 0.75kW, 2.5あ, 3‑phase 400V, built‑in brake | Better cooling, dual RJ45, CANopen | New equipment, IIoT |
- Critical Replacement Notes
- Parameter Copy
Copy frequency range, acceleration, deceleration, 制御モード, braking
Match protection settings (過電流, 過電圧, thermal)
- 配線
Keep main power input/output unchanged
Adapt digital/analog I/O terminals
Correct brake resistor wiring (recommended 40Ω, 100W)
- 試運転
無負荷試験: direction, スピード, ノイズ
負荷試験: stability, response
コミュニケーション: 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, 現在, 電圧, braking, and communication to maintain system performance.
