The Mitsubishi FR-A840-37K-1 is a current-production variable speed drive rated for a 3.7 kW induction motor on three-phase 400 V supply. Communication is RS-232/422/485. Dimensions: 150 mm wide, 260 mm tall, 140 mm deep. RoHS 6 compliance on the nameplate.
Mitsubishi FR-A840-37K-1 3.7kW VFD, 9A output
MPNFR-A840-37K-1
Mitsubishi FR-A840-37K-1, 3.7 kW Variable Speed Drive, 400 V three-phase input, 9 A output, RS-232/422/485, RoHS 6.
$966.00 – $2,755.89Ref. price · indicative, final on quote
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MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
How we verify every order →Specifications
| Parameter | Value |
|---|---|
| Product type | Variable Speed/Frequency Drive (VSD/VFD) / Inverter |
| Input voltage class | Three-phase 400 V |
| Output rated current | 9 |
| Output rated power supply | Three-phase 380–500 V |
| Applicable motor capacity | 3.7 kW |
| External communications | RS-232/422/485 |
| Shipping weight | 4.5 Kg |
| Dimension depth | 140 mm |
| Dimension width | 150 mm |
| Dimension height | 260 mm |
| RoHS | 6 |
| Estimated lead time | 1 - 10 Working Days |
| Output specification | Three-Phase |
| Output capacity | 6.9Representative Standard : CE / UL / CUL |
Product details
Frequently asked questions
What compliance documentation does this drive carry?
The drive is listed as RoHS 6 compliant. Representative standards include CE, UL, and CUL as noted on the spec label.
MPN
FR-A840-37K-1