Fr E720 3.7k
Overview
Product sourcing insights & recommendations


The FR-E720-3.7K is a legacy industrial inverter from Mitsubishi Electric, now officially discontinued and replaced by the FR-E800 series. Current market trends show a rapid transition toward the FR-E820-3.7K-1 successor, driven by the need for integrated Ethernet and AI-based predictive maintenance in Industry 4.0 environments. While secondary stock for the E700 remains available, it is primarily used for urgent maintenance, while new installations have shifted to the E800 series due to its enhanced IIoT capabilities and competitive pricing ranging from $255–$340/piece.
I have compiled a comprehensive market insight report detailing the technical transitions, replacement recommendations, and current supplier landscape. The report includes specific migration steps, such as using mounting adapters to maintain existing cabinet footprints.
Based on the market shift, you may want to:
Mitsubishi Fr E820 3.7k 1 Inverter Replacement
Products · Top picks & verified manufacturers

Industry AC Drive Inverter FR-E820-3.7K-1
Shenzhen Qidale Technology Co., Limitedverified🇨🇳CN1 yr
Original New FR-E820-3.7K-1 3.7kW 3-Phase Inverter, 200-240VAC, 17.5A, FREQROL-E800 Series, Sensorless Vector Control
Shenzhen Junxin Industrial Control Technology Co., Ltd.🇨🇳CN4 yrs
SONGWEI CNC FR-A820-3.7K-1 MITSUBISHI NEW in STOCK 12 MONTHS WARRANTY INVERTER FRA8203.7K1
Songwei CNC Machinery (Shanghai) Co., Ltd.🇨🇳CN5 yrs
100% New and Original Mitsubishi AC Drive Inverter FR-E820-3.7K-1
Shenzhen Sandou Electronic Technology Co., Limitedverified🇭🇰HK1 yr
New Original Mitsubishi FR-E740-0.4K-CHT FR-E740-0.75K-CHT E740-1.5K-CHT E740-2.2K-CHT E740-3.7K-CHT E740-5.5K-CHT Inverter
Nanchang Junjiameng Technology Co., Ltd.🇨🇳CN6 yrs
HOT Spot Goods New Original Mitsubishi Inverter FR-A840-00250-2-60 Replace FR-A740-7.5K-CHT Warranty long FR-A840-00250-2-60
Pingyoushun Electric (shanghai) Co., Ltd.🇨🇳CN8 yrs
Brand New FR-A840 FR-A840-3.7K-1 Inverter 400V 3-Phase High Performance VFD FR-A800 Original FR-A840-7.5K-1
Huizhou Chuangyuan Automation Equipment Co., Ltd.verified🇨🇳CN4 yrs
FR-D740-3.7K-CHT Brand New Mitsubishi Inverter FR-D740 Series Original CNC Machine Spares With One-year Warranty
Shanghai Yunmeng International Trade Co., Ltd.🇨🇳CN2 yrs
Mitsubishi inverter FR-E840-1.5K-CHT/0.4/2.2/7.5/11/15/3.7 instead of three-phase E740
Quanzhou Zeyan Automation Technology Co., Ltd.verified🇨🇳CN3 yrs
100% New Original Brand New Mitsubishi Inverter FR-E520 Series 220V 1.5K FR-E520-1.5K FR-E520-2.2K FR-E520-3.7K FR-E520-5.5K
Quanzhou Fushite Electric Co., Ltd.🇨🇳CN1 yr
Mitsubishi Inverter FR-E840-0.4K-1 220v V F Control Electric Application

In Stock Brand New Original Mitsubishi FR-A840 Series 3 phases Inverter FR-A840-00023-2-60 FR-A840-00038-2-60 FR-A840-00052-2-60

Mitsubishi VFD Frequency Converter Inverter 11kW FR-E720-11K
ANKE AUTOMATION LTD🇺🇸US3 yrs
Genuine New MW-Original Authentic Mitsubishi Inverter Fr-A840-00038-2-6 0.4 0.75 2.2 3.7 7.5 Kw Factory Wholesale Price

New and Original FR-A840-00052-2-60 FR-F840 Series Inverter One-year warranty
Shenzhen Ruimei Electronic Technology Trading Co., Ltd.verified🇨🇳CN1 yr
Brand New Genuine Original Product FR-E700 Series 2.2kw 3.7kw 5.35kw Inverter FR-E740-2.2K-CHT FR-E740-3.7K-CHT FR-E740-5.5K-CHT
Quanzhou Angu Technology Co., Ltd.🇨🇳CN1 yr
FR-A820-3.7K-1 in STOCK 12 MONTHS WARRANTY R FRA8203.7K1

Mitsubishi Inverter FR-A840-0.75/1.5/3.7/5.5/7.5/11/18.5/30/45K-1 Inquiry
Quanzhou Liancheng Automation Technology Co., Ltd.🇨🇳CN4 yrs
Original Mitsubishi inverter FR-E740-1.5K-CHT/0.4/2.2/7.5/11/15/3.7KW three-phase
Quanzhou Zhantong E-Commerce Co., Ltd.🇨🇳CN2 yrs
Original Mitsubishi A800 Series Inverter FR-A840-00250-2-60 FR-A840-00310-2-60 11kW 15kW VFD AC Drive
Shenzhen Shengdeheng Technology Co., Ltd.verified🇨🇳CN3 yrs
Mitsubishi Electric FR-F840-0.75K-1 0.75KW 380V 3 Phase VFD Inverter Sensorless Vector Control
Shanghai Risen Industrial Co., Ltd.🇨🇳CN1 yr
Compact Size Fr-e520-7.5k-na 3ph Ac200/240v New in Box Brand New, Original Product with a One-year Warranty
Xiamen Zhiminkong Trading Co., Ltd.🇨🇳CN1 yr
Mitsubishi Inverter FR-CS Series FR-CS84-2.2K FR-CS84-3.7K FR-CS84-5.5K VFD Variable Frequency Drive for Industrial Motors
Ali Kaisheng Century (shenzhen) Electronics Co., Ltd.🇨🇳CN1 yr
SONGWEI Mitsubishi Inverter FR-A840-00250-E2-60 Songwei FRA84000250E260
Songwei CNC Machinery (Shanghai) Co., Ltd.verified🇨🇳CN9 yrs
Mitsubishi Electric Frequency Inverter FR-E840-0120EPA-60 Vector Control Three Phase
Dielle S.r.l.🇮🇹IT1 yr
High Quality Mitsubishi Frequency Speed Drive FR-F740P-55K Electric Mitsubishi Inverter Fast Shipping
Shunyi Trading (Shenzhen) Co., Ltd🇨🇳CN1 yr
Brand New Mitsubishi FR-A820-7.5K-1 FREQROL-A800 7.5kW 200V AC Inverter VFD Variable Frequency Drive Industrial Controller
Jilin Batu Automation Equipment Company🇨🇳CN4 yrs
C1MR-V7AZB1P5/FR-F840-37k-1/FR-F840-5.5k-1/FR-A540-2.2K-EC Mitsubishi Inverter Industrial Inverter Speed Control Inverter

Original PLC Frequency Converter F800 Series FR-F820-3.7K-1 Three-phase Power Inverter FR-F820-3.7K-1

Original PLC Frequency Converter F800 Series FR-F820-3.7K-1 Three-phase Power Inverter FR-F820-3.7K-1
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Sources & References
28 sources cited · Verified industry data & reports

FR-E720-3.7K-60 - Variable Speed Drives - Inverters
MITSUBISHI ELECTRIC Global website
FR-E720-3.7K-60 - #discontinued - Variable Speed/Frequency Drive (VSD/VFD) / Inverter with conformal coating - Mitsubishi Electric (FREQROL FR-E700 series) ...

FREQROL-E700 Series FR-E720-3.7K - Inverters
Misumi USA
FREQROL-E700 Series from Mitsubishi Electric (FR-E720-3.7K). Clear Top-level drive performance among small models. Input Voltage Class Three-Phase 200V Output. ...

FR-E720-3.7K
MITSUBISHI ELECTRIC Global website
FR-E720-3.7K Automating the World All Inverters FR Inverter. Rated Power: 3,7kW; 3x200-240V; Rated Current: 17,5A; IP20 (Watchlist)

Mitsubishi FR-E720-3.7K - In Stock Ships Overnight
DO Supply
The Mitsubishi FR-E720-3.7K is an adjustable frequency drive offering operational versatility and dependable performance. Its output power rating reaches 3.7 ...

NEW FR-E720-3.7K Mitsubishi Inverter ...
eBay
NEW FR-E720-3.7K Mitsubishi Inverter FR-E720-3.7K Brand In Box Spot Goods #ZY ; Condition. New ; Quantity. 1 available ; Item number. 227214145842 ; Brand.

FR-E720-3.7K | Mitsubishi Electric | Inverter FR-E700 Series
NEX Instrument Inc
FR-E720-3.7K Product Type : Inverter. Applicable motor capacity (kW) : 3.7 Output Rated capacity (kVA) : 70 Rated current (A) : 17.5 Overload
