FR - E740 - 2.2K - CHT 是三菱電機 E700 系列下的一款經濟型三相通用變頻器，憑借緊湊設計、精準控制和豐富適配能力，廣泛應用于各類中小型工業設備驅動場景。它既兼顧了小型設備對成本的控制需求，又保障了工業級的穩定性和功能性，以下從核心參數、核心性能、實用功能、安裝維護及典型應用等方面展開詳細介紹：
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核心硬件與電氣參數
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功率與電流參數：該變頻器適配電機功率為 2.2kW，額定輸出容量 5.5kVA，額定輸出電流 6A，部分場景下標注的 8A 為特定工況下的峰值電流值。其具備強悍的過載能力，支持 150% 額定電流持續運行 60 秒，200% 額定電流持續運行 3 秒，且帶有反限時特性，能從容應對設備啟動、負載突變等短時重載場景，避免頻繁停機。
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電源與防護規格：適配三相 380 - 480V 交流電源，電源頻率兼容 50Hz/60Hz，電壓容許變動范圍寬達 325 - 528V，頻率容許波動 ±5%，可適應工業現場電壓不穩的復雜電網環境。設備采用封閉式結構，防護等級為 IP20，能有效阻擋灰塵等雜物侵入，同時采用強制風冷散熱設計，通過優化散熱孔布局，確保元件在高溫工況下穩定運行，其物理尺寸為 140×150×135mm，重量約 1.9 - 2.8kg（因配件差異略有浮動），緊湊體積便于安裝在空間有限的小型電控柜中。
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核心控制性能
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磁通矢量控制技術：這是該變頻器的核心控制優勢，其能在 0.5Hz 的超低頻率下輸出 200% 的額定轉矩。這一特性解決了電機低速運行時轉矩不足、易抖動的行業痛點，像紡織機械中的羅拉、印刷設備的印刷輥等需要低速穩定運轉的部件，借助該技術可精準控制轉速，保障紗線牽伸均勻、彩色圖案套印精準，大幅提升產品合格率。
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靈活調速與運行優化：輸出頻率范圍可滿足多樣化調速需求，配合柔性 PWM 控制技術，不僅能提高設備停止精度，還能有效降低電機運行時的電磁噪音，營造更安靜的生產環境。同時，設備具備電機自學習功能，可自動識別接入電機的核心參數，自動優化控制算法，無需工作人員手動反復調試，既簡化了調試流程，又提升了變頻器與電機的適配性，保障控制系統的控制精度。
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豐富的通信與擴展功能
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基礎通信配置：設備內置 EIA - 485（RS - 485）接口，標配 Modbus - RTU 通信協議，可輕松與 PLC、觸摸屏等工業控制設備實現數據交互。同時配備標準 USB 迷你 - B 接口，通過 FR Configurator 軟件，工作人員可便捷地完成參數設定、運行狀態監控、故障數據讀取及參數備份等操作，極大提升了現場調試和后期維護的效率。
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多元擴展能力：為適配不同工業總線系統，該變頻器支持通過加裝專用選件卡擴展通信協議。例如加裝 FR - A7NC 選件卡可支持 CC - Link 協議，FR - A7NP 選件卡可適配 Profibus - DP 協議，此外還能兼容 LONWORKS、DeviceNet 等多種工業總線。這種擴展性使其能靈活融入自動化生產線，實現多設備協同控制，滿足汽車制造、非標自動化設備等復雜系統的集成需求。另外，其可外接制動電阻（適配容量 0.4K - 15K），增強制動效果，適配需要快速停車或頻繁制動的場景，如包裝機械、礦山絞車等設備。
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全面的保護與長效設計
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多重安全保護機制：設備內置過載、過流、過壓、欠壓、輸出短路、過熱等全方位保護功能。當檢測到異常時，會立即觸發報警并切斷輸出或調整運行狀態，比如電機短路時可快速斷電，避免變頻器與電機同時損壞；電壓異常時自動停機，防止電網波動對設備造成不可逆損傷，大幅降低工業生產中的設備故障率。
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長壽命與低維護設計：采用長壽命風扇和電容器，設計壽命長達 10 年，同時支持風扇 ON/OFF 智能控制，可根據設備溫度自動調節風扇運行狀態，減少風扇磨損的同時降低能耗。這些設計不僅延長了變頻器的整體使用壽命，還減少了企業的維護頻次和成本，尤其適合對設備連續運行時間要求高的流水線生產場景。此外，設備還具備密碼保護功能，可通過八位數字密碼防止參數被誤修改，保障生產工藝的穩定性。
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安裝維護與典型應用
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安裝與維護要點：安裝時需選擇干燥、通風且無腐蝕性氣體的環境，同時確保設備上下左右預留足夠散熱間隙。接線時要注重接地良好，避免電磁干擾影響控制精度。日常維護中，定期清潔散熱孔灰塵即可；建議每年進行一次全面檢修，重點檢查電容、風扇等易損件狀態及線路連接牢固性。其配備的 LED 顯示屏和操作按鈕，可直接現場進行參數設置，無需額外設備，極大方便了現場調試和故障排查。
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廣泛的行業應用：在紡織行業，它控制錠子電機和羅拉電機轉速，保障紗線質量；在印刷行業，通過精準控制印刷輥轉速實現色彩精準對位；在食品加工領域，適配攪拌機、包裝機等設備，根據工藝需求調整轉速，保證加工一致性。此外，它還常用于風機、水泵、機床、石材加工設備等場景。在某恒壓供水改造項目中，類似型號的變頻器配合 PLC 實現了壓力波動≤0.05bar 的精準控制，同時能耗降低 30%，充分體現了其節能與精準控制的雙重優勢。
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FR-E740-3.7K-CHT
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FR-D720EX-1.5K-14
|
|
FR-BU2-7.5K
|
|
FR-ABR-11K
|
|
FR-HEL-15K
|
|
FR-A8APR
|
|
FR-A8AZ
|
|
FR-D720S-025-EC
|
|
FR-D710W-042-NA
|
|
FR-D710W-025-NA
|
|
FR-A8CN03
|
|
SF-PR-CN 55kW 4P 380V 50Hz
|
|
FR-F840-00023-2-60
|
|
FR-F840-00038-2-60
|
|
FR-F840-00052-2-60
|
|
FR-F840-00083-2-60
|
|
FR-F840-00126-2-60
|
|
FR-F840-00170-2-60
|
|
FR-F840-00250-2-60
|
|
FR-F840-00310-2-60
|
|
FR-F840-00380-2-60
|
|
FR-F840-00470-2-60
|
|
FR-F840-00620-2-60
|
|
FR-F840-00770-2-60
|
|
FR-F840-00930-2-60
|
|
FR-F840-01160-2-60
|
|
FR-F840-01800-2-60
|
|
FR-F840-02160-2-60
|
|
FR-F840-02600-2-60
|
|
FR-F840-03250-2-60
|
|
FR-F840-03610-2-60
|
|
FR-F840-04320-2-60
|
|
FR-F840-04810-2-60
|
|
FR-F840-05470-2-60
|
|
FR-F840-06100-2-60
|
|
FR-F840-06830-2-60
|
|
FR-F820-0.75K-1
|
|
FR-F820-1.5K-1
|
|
FR-F820-2.2K-1
|
|
FR-F820-3.7K-1
|
|
FR-F820-5.5K-1
|
|
FR-F820-7.5K-1
|
|
FR-F820-11K-1
|
|
FR-F820-15K-1
|
|
FR-F820-18.5K-1
|
|
FR-F820-22K-1
|
|
FR-F820-30K-1
|
|
FR-F820-37K-1
|
|
FR-F820-45K-1
|
|
FR-F820-55K-1
|
|
FR-F820-75K-1
|
|
FR-F820-90K-1
|
|
FR-F820-110K-1
|
|
FR-A8TP
|
|
FR-HEL-90K
|
|
FR-HEL-110K
|
|
FR-HEL-H355K
|
|
FR-F840-00023-2-60(J)
|
|
FR-F840-01800-2-60(J)
|
|
FR-F840-03250-2-60(J)
|
|
FR-HEL-H315K
|
|
SF-PR-CN 5.5kW 2P 380V 50Hz
|
|
SF-PR-CN 7.5kw 2P 380V 50HZ
|
|
SF-PR-CN 15kw 2P 380V 50HZ
|
|
SF-PRV-CN 3.7kw 2P 380V 50HZ
|
|
A8NPRT_2P
|
|
A8NEIP_2P
|
|
FR-A8NS
|
|
SF-PR-CN 7.5kw 4P 380V 50HZ
|
|
SF-PR-CN 15kw 4P 380V 50HZ
|
|
FR-D740-0.75K
|
|
FR-D740-1.5K
|
|
FR-F820-00105-2-60
|
|
FR-F820-00340-2-60
|
|
FR-ABR-0.4K
|
|
FR-A840-00023-2-60CRN
|
|
FR-F820-00046-2-60
|
|
FR-F820-00167-2-60
|
|
FR-LU08-01
|
|
FR-HEL-5.5K
|
|
FR-ABR-15K
|
|
FR-A840-30K-1
|
|
FR-A8AL
|
|
FR-A8NCA
|
|
FR-A840-5.5K-1
|
|
FR-A840-11K-1
|
|
FR-F842-07700-2-60
|
|
FR-CC2-H400K-60
|
|
SF-PRP 15KW 4P 380V 50HZ
|
|
FR-A8NF
|
|
FR-CC2-H560K-60P
|
|
FR-A842-12120-2-60P
|
|
SF-PR-CN 0.75KW 4P 380V 50HZ
|
|
SF-PR-CN 1.5KW 4P 380V 50HZ
|
|
SF-PR-CN 2.2KW 4P 380V 50HZ
|
|
SF-PR-CN 3.7KW 4P 380V 50HZ
|
|
SF-PR-CN 5.5KW 4P 380V 50HZ
|
|
SF-PR-CN 11KW 4P 380V 50HZ
|
|
SF-PR-CN 18.5KW 4P 380V 50HZ
|
|
SF-PR-CN 22KW 4P 380V 50HZ
|
|
SF-PR-CN 30KW 4P 380V 50HZ
|
|
SF-PR-CN 37KW 4P 380V 50HZ
|
|
SF-PR-CN 45KW 4P 380V 50HZ
|
|
SF-PR-CN 22KW 6P 380V 50HZ
|
|
FR-A840-00023-2-60R2R
|
|
FR-A840-00038-2-60R2R
|
|
FR-A840-00052-2-60R2R
|
|
FR-A840-00083-2-60R2R
|
|
FR-A840-00126-2-60R2R
|
|
FR-A840-00170-2-60R2R
|
|
FR-A840-00250-2-60R2R
|
|
FR-A840-00310-2-60R2R
|
|
FR-A840-00380-2-60R2R
|
|
FR-A840-00470-2-60R2R
|
|
FR-A840-00620-2-60R2R
|
|
FR-A840-00770-2-60R2R
|
|
FR-A840-00930-2-60R2R
|
|
FR-A840-01160-2-60R2R
|
|
FR-A840-01800-2-60R2R
|
|
FR-A840-02160-2-60R2R
|
|
FR-A840-02600-2-60R2R
|
|
FR-A840-03250-2-60R2R
|
|
FR-A840-03610-2-60R2R
|
|
FR-A840-04320-2-60R2R
|
|
FR-A840-04810-2-60R2R
|
|
FR-A840-05470-2-60R2R
|
|
FR-A840-06100-2-60R2R
|
|
FR-A840-06830-2-60R2R
|
|
FR-HAL-H355K
|
|
FR-A842-07700-2-60
|
|
FR-A842-08660-2-60
|
|
FR-A842-09620-2-60
|
|
FR-A842-10940-2-60
|
|
FR-A842-12120-2-60
|
|
FR-CC2-H315K-60
|
|
FR-CC2-H355K-60
|
|
FR-CC2-H450K-60
|
|
FR-CC2-H500K-60
|
|
FR-CC2-H560K-60
|
|
FR-CC2-H630K-60
|
|
FR-A840-0.4K-1
|
|
FR-A840-15K-1
|
|
FR-A840-75K-1
|
|
FR-A840-90K-1
|
|
FR-A820-3.7K-1-60
|
|
FR-A820-11K-1
|
|
FR-A820-18.5K-1
|
|
FR-A820-22K-1
|
|
FR-A820-30K-1
|
|
FR-A820-37K-1
|
|
FR-BU2-H220K
|
|
FR-A840-00052-1-60
|
|
FR-A840-00126-1-60
|
|
FR-A840-00250-1-60
|
|
FR-A820-0.4K-1
|
|
FR-A840-2.2K-1
|
|
FR-A840-3.7K-1
|
|
FR-F840-00620-2-06
|
|
FR-F840-00770-2-06
|
|
FR-E720EX-0.75K
|
|
GV-SF-L 0.4KW
|
|
FR-D710W-0.1K
|
|
FR-D710W-0.2K
|
|
FR-F842-08660-2-60
|
|
FR-F842-09620-2-60
|
|
FR-F842-10940-2-60
|
|
FR-F842-12120-2-60
|
|
FR-A840-0.75K-1
|
|
FR-A8CN02
|
|
FR-A8CN06
|
|
FR-A8CN01
|
|
FR-A8CN05
|
|
FR-A840-1.5K-1
|
|
SF-PRB-CN 0.75KW 4P 380V 50HZ
|
|
SF-PRB-CN 1.5KW 4P 380V 50HZ
|
|
SF-PRB-CN 2.2KW 4P 380V 50HZ
|
|
FR-A820-00046-2-60R2R
|
|
FR-A820-00077-2-60R2R
|
|
FR-A820-00105-2-60R2R
|
|
FR-A820-00167-2-60R2R
|
|
FR-A820-00250-2-60R2R
|
|
FR-A820-00340-2-60R2R
|
|
FR-A820-00490-2-60R2R
|
|
FR-A820-00630-2-60R2R
|
|
FR-A820-00770-2-60R2R
|
|
FR-A820-00930-2-60R2R
|
|
FR-A820-01250-2-60R2R
|
|
FR-A820-01540-2-60R2R
|
|
FR-A820-01870-2-60R2R
|
|
FR-A820-02330-2-60R2R
|
|
FR-A820-03160-2-60R2R
|
|
FR-A820-03800-2-60R2R
|
|
FR-A820-04750-2-60R2R
|
|
FR-E740-0.4KNC-60
|
|
FR-F820-00077-2-60
|
|
FR-F820-00250-2-60
|
|
FR-F820-00490-2-60
|
|
FR-F820-00630-2-60
|
|
FR-F820-00770-2-60
|
|
FR-F820-00930-2-60
|
|
FR-F820-01250-2-60
|
|
FR-F820-01540-2-60
|
|
FR-F820-01870-2-60
|
|
FR-F820-02330-2-60
|
|
FR-F820-03160-2-60
|
|
FR-F820-03800-2-60
|
|
FR-F820-04750-2-60
|
|
FR-CS84-012-60
|
|
FR-CS84-022-60
|
|
FR-CS84-036-60
|
|
FR-CS84-050-60
|
|
FR-CS84-080-60
|
|
FR-CS84-120-60
|
|
FR-CS84-160-60
|
|
FR-F840-00170-2-06
|
|
FR-F840-00250-2-06
|
|
FR-F840-00310-2-06
|
|
FR-F840-00380-2-06
|
|
FR-F840-00470-2-06
|
|
FR-CS84-230-60
|
|
FR-CS84-295-60
|
|
FR-CS82S-025-60
|
|
FR-CS82S-042-60
|
|
FR-CS82S-070-60
|
|
FR-CS82S-100-60
|
|
SF-PRP-CN 15KW 4P 380V 50HZ
|
|
SF-PRV-CN 0.75KW 4P 380V 50HZ
|
|
SF-PRV-CN 1.5KW 4P 380V 50HZ
|
|
SF-PRV-CN 2.2KW 4P 380V 50HZ
|
|
SF-PRV-CN 3.7KW 4P 380V 50HZ
|
|
SF-PRV-CN 5.5KW 4P 380V 50HZ
|
