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Mitsubishi FR-S540-3.7K-EC Inverter AC Drive & Eurotek Three Phase RFI
Mitsubishi FR-S540-3.7K-EC Inverter AC Drive & Eurotek Three Phase RFI Filter FS5403.7
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Mitsubishi FR-S540-3.7K-EC Frequency Inverter with Eurotek Three-Phase RFI Filter FS5403.7
3.7kW VFD paired with matching line-side EMI/RFI suppression filter
Overview
This lot pairs a Mitsubishi FR-S540-3.7K-EC, a 3.7kW variable frequency drive from Mitsubishi's FR-S500 series, with a matching Eurotek three-phase RFI filter, FS5403.7. The FR-S540-3.7K-EC provides compact, three-phase 400V class motor speed control with built-in RS-485 communication, while the companion Eurotek filter suppresses conducted electromagnetic interference generated on the drive's supply line — a common combination for keeping VFD installations compliant with EMC requirements.
Key Features
- FR-S540-3.7K-EC — 3.7kW three-phase inverter: Compact, space-saving VFD with built-in RS-485 serial communication for local or remote motor speed control.
- Wide output frequency range: Variable output from 0.5 to 120 Hz for flexible motor speed control across a broad operating range.
- Dual-frequency mains compatibility: Accepts both 50 Hz and 60 Hz three-phase AC input.
- Eurotek FS5403.7 — matching RFI filter: Sized to the FR-S540-3.7K-EC's rated current, reducing conducted electromagnetic interference fed back onto the supply line during drive operation.
- Screw-terminal connection: Straightforward wiring for line-side installation ahead of the drive's power input.
What's Included
| Model | Function | Qty |
|---|---|---|
| FR-S540-3.7K-EC | Three-phase frequency inverter, 3.7kW | 1 |
| Eurotek FS5403.7 | Three-phase RFI/EMI line filter | 1 |
Technical Specifications
Applied motor capacity: 3.7 kW.
Input: 3-phase AC 380–480V, 13.4A, 50/60 Hz.
Output: 3-phase AC 380–480V max., 7.7A, 0.5–120 Hz.
Drive dimensions: 5.04 x 4.25 x 6.52 in.
Communication: Built-in RS-485.
Filter type: Three-phase RFI filter, sized to match the FR-S540-3.7K-EC's rated current.
Compatibility & Applications
This combination is well suited to industrial motor control applications — pumps, fans, conveyors, and similar three-phase loads — where variable speed control is needed alongside compliance with EMC/RFI emission limits. The Eurotek filter installs on the line side of the drive to reduce conducted interference before it reaches the wider electrical supply network.
