Mitsubishi FX3SA-10MR-CM PLC: Compact Industrial Automation Solution for Small to Medium Applications
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What is the Mitsubishi FX3SA-10MR-CM?
The FX3SA-10MR-CM is Mitsubishi's FX3SA micro PLC — the 10-point entry brick of the FX3 family: 6 DC inputs, 4 relay outputs, 100-240 V AC power, and the same GX Works programming environment as the larger FX3G and FX3U, in a housing the size of a starter. The rear nameplate reads the full identity: MODEL FX3SA-10MR-CM, 100-240VAC 50/60 Hz 19 W, OUT: 30 VDC / 240 VAC 2 A (COSφ=1), S/N 2360788, UL Listed E9M11 Ind. Cont. Eq., CE — Mitsubishi Electric Automation Manufacturing (Changshu) Co., Ltd., MADE IN CHINA, designed by Mitsubishi Electric Corporation, Tokyo. Factory-new in the Mitsubishi box with the Chinese hardware manual (JY997D578BDB) and the dust-proof sheet, one-year warranty as recorded at intake on 16 January 2026. All nine photos and the inspection video show this exact unit.
Part details
| Field | Value |
|---|---|
| Brand | Mitsubishi Electric — MELSEC FX3SA series |
| Model | FX3SA-10MR-CM base unit, S/N 2360788, G/C 09H028, M/C 09H0281933103 |
| I/O | 6 inputs (X0-X5, 24 V DC); 4 relay outputs (Y0-Y3), 30 V DC / 240 V AC at 2 A per point |
| Power | 100–240 V AC, 50/60 Hz, 19 W |
| Programming | USB port on the face; POW / RUN LEDs; RUN/STOP switch |
| Origin | Made by Mitsubishi Electric Automation Manufacturing (Changshu) Co., Ltd., China — designed by Mitsubishi Electric Corporation, Tokyo; box marked MADE IN CHINA 合格证 |
| Quantity | 1 unit, factory-new in box, 1-year warranty, intake 16 January 2026 |
Values are read from the rear nameplate and the photographed construction in the photo set.
The FX3SA in the FX3 family
The FX3SA is the current entry point of Mitsubishi's FX line: for machines that need a handful of I/O and nothing else, it replaces a relay-logic panel with a programmable brick that costs little more than the contactors it replaces. The 10MR variant is the relay build — four dry contacts rated 2 A at 240 V AC handle the solenoids, contactor coils and indicator circuits a small machine carries, while the six inputs take the standard 24 V sensor feeds. Programs written in GX Works for any FX3 family member port straight across, so an FX3SA is both an entry-level choice for new small machines and a plug-compatible fix for an older FX1S/FX0N cabinet whose brick has died — the terminal layout follows the family convention.
The unit in this record is factory-new and box-fresh: the Mitsubishi Programmable Controller carton with its 合格证 pass certificate and 09H028 control number, the Chinese hardware manual, the dust-proof sheet still over the terminal rows, and the nameplate with its UL and CE marks. The Changshu manufacture line is Mitsubishi's own China plant — same design authority in Tokyo, same GX Works compatibility — and at this price the FX3SA is the cheapest way to put a genuine Mitsubishi PLC into a small machine.
Photos
All images below are original KOEED warehouse photos. Click any photo to view it full size.
For the FX3G base from the same brand family, see the Mitsubishi FX3G-14MT/ES-A — the 14-point transistor-output sibling, documented from the same warehouse.
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