The FX3U is a Mitsubishi Electric FX3 micro PLC main unit offering high processing speed, large program capacity and extensive expansion options. Relay or transistor output versions are available. It is used in packaging machines, material handling, building automation and general machine control. It accepts a wide range of FX3 expansion modules and adapters.
| Part No. |
Accessories |
Mass (kg) |
Series |
Compliant Standards |
Mounting Pitch |
Unit Type |
No. of Outputs |
No. of Inputs |
Dimensions (W×H×D) (mm) |
Input Specification |
Output Specification |
| FX3U-128MR/ES |
FX3U-32BL battery (pre-installed in main unit) |
1.8 |
FX3U |
EMC、LVD、UL、cUL |
Dimension W: 323 |
Base unit |
64 points |
64 points |
350×90×86 |
DC24V sink/source input 5-7mA |
2A/1 point (8A/4 points), AC250V, DC30V |
| FX3U-128MT/ES |
FX3U-32BL battery (pre-installed in main unit) |
1.8 |
FX3U |
EMC、LVD、UL、cUL |
Dimension W: 323 |
Base unit |
64 points |
64 points |
350×90×86 |
DC24V sink/source input 5-7mA |
0.5A/1 point (0.8A/4 points) DC5-30V |
| FX3U-128MT/ESS |
FX3U-32BL battery (pre-installed in main unit) |
1.8 |
FX3U |
EMC、LVD、UL、cUL |
Dimension W: 323 |
Base unit |
64 points |
64 points |
350×90×86 |
DC24V sink/source input 5-7mA |
0.5A/1 point (0.8A/4 points) DC5-30V |
| FX3U-16MR/DS |
FX3U-32BL battery (pre-installed in main unit) |
0.6 |
FX3U |
EMC、LVD、UL、cUL |
Dimension W: 103 |
Base unit |
8 points |
8 points |
130×90×86 |
DC24V sink/source input 5-7mA |
2A/1 point (8A/4 points), AC250V, DC30V |
| FX3U-16MR/ES |
FX3U-32BL battery (pre-installed in main unit) |
0.6 |
FX3U |
EMC、LVD、UL、cUL |
Dimension W: 103 |
Base unit |
8 points |
8 points |
130×90×86 |
DC24V sink/source input 5-7mA |
2A/1 point (8A/4 points), AC250V, DC30V |
| FX3U-16MT/DS |
FX3U-32BL battery (pre-installed in main unit) |
0.6 |
FX3U |
EMC、UL、cUL |
Dimension W: 103 |
Base unit |
8 points |
8 points |
130×90×86 |
DC24V sink/source input 5-7mA |
0.5A/1 point (0.8A/4 points) DC5-30V |
| FX3U-16MT/DSS |
FX3U-32BL battery (pre-installed in main unit) |
0.6 |
FX3U |
EMC、UL、cUL |
Dimension W: 103 |
Base unit |
8 points |
8 points |
130×90×86 |
DC24V sink/source input 5-7mA |
0.5A/1 point (0.8A/4 points) DC5-30V |
| FX3U-16MT/ES |
FX3U-32BL battery (pre-installed in main unit) |
0.6 |
FX3U |
EMC、LVD、UL、cUL |
Dimension W: 103 |
Base unit |
8 points |
8 points |
130×90×86 |
DC24V sink/source input 5-7mA |
0.5A/1 point (0.8A/4 points) DC5-30V |
| FX3U-16MT/ESS |
FX3U-32BL battery (pre-installed in main unit) |
0.6 |
FX3U |
EMC、LVD、UL、cUL |
Dimension W: 103 |
Base unit |
8 points |
8 points |
130×90×86 |
DC24V sink/source input 5-7mA |
0.5A/1 point (0.8A/4 points) DC5-30V |
| FX3U-32MR/DS |
FX3U-32BL battery (pre-installed in main unit) |
0.65 |
FX3U |
EMC、LVD、UL、cUL |
Dimension W: 123 |
Base unit |
16 points |
16 points |
150×90×86 |
DC24V sink/source input 5-7mA |
2A/1 point (8A/4 points), AC250V, DC30V |
| FX3U-32MR/ES |
FX3U-32BL battery (pre-installed in main unit) |
0.65 |
FX3U |
EMC、LVD、UL、cUL |
Dimension W: 123 |
Base unit |
16 points |
16 points |
150×90×86 |
DC24V sink/source input 5-7mA |
2A/1 point (8A/4 points), AC250V, DC30V |
| FX3U-32MS/ES |
FX3U-32BL battery (pre-installed in main unit) |
0.65 |
FX3U |
EMC、LVD、UL、cUL |
Dimension W: 123 |
Base unit |
16 points |
16 points |
150×90×86 |
DC24V sink/source input 5-7mA |
0.3A/1 point, 0.8A/4 points common AC85~242V |
| FX3U-32MT/DS |
FX3U-32BL battery (pre-installed in main unit) |
0.65 |
FX3U |
EMC、UL、cUL |
Dimension W: 123 |
Base unit |
16 points |
8 points |
150×90×86 |
DC24V sink/source input 5-7mA |
0.5A/1 point (0.8A/4 points) DC5-30V |
| FX3U-32MT/DSS |
FX3U-32BL battery (pre-installed in main unit) |
0.65 |
FX3U |
EMC、UL、cUL |
Dimension W: 123 |
Base unit |
16 points |
8 points |
150×90×86 |
DC24V sink/source input 5-7mA |
0.5A/1 point (0.8A/4 points) DC5-30V |
| FX3U-32MT/ES |
FX3U-32BL battery (pre-installed in main unit) |
0.65 |
FX3U |
EMC、LVD、UL、cUL |
Dimension W: 123 |
Base unit |
16 points |
16 points |
150×90×86 |
DC24V sink/source input 5-7mA |
0.5A/1 point (0.8A/4 points) DC5-30V |
| FX3U-32MT/ESS |
FX3U-32BL battery (pre-installed in main unit) |
0.65 |
FX3U |
EMC、LVD、UL、cUL |
Dimension W: 123 |
Base unit |
16 points |
16 points |
150×90×86 |
DC24V sink/source input 5-7mA |
0.5A/1 point (0.8A/4 points) DC5-30V |
| FX3U-48MR/DS |
FX3U-32BL battery (pre-installed in main unit) |
0.85 |
FX3U |
EMC、LVD、UL、cUL |
Dimension W: 155 |
Base unit |
24 points |
24 points |
182×90×86 |
DC24V sink/source input 5-7mA |
2A/1 point (8A/4 points), AC250V, DC30V |
| FX3U-48MR/ES |
FX3U-32BL battery (pre-installed in main unit) |
0.85 |
FX3U |
EMC、LVD、UL、cUL |
Dimension W: 155 |
Base unit |
24 points |
24 points |
182×90×86 |
DC24V sink/source input 5-7mA |
2A/1 point (8A/4 points), AC250V, DC30V |
| FX3U-48MT/DS |
FX3U-32BL battery (pre-installed in main unit) |
0.85 |
FX3U |
EMC、UL、cUL |
Dimension W: 155 |
Base unit |
24 points |
8 points |
182×90×86 |
DC24V sink/source input 5-7mA |
0.5A/1 point (0.8A/4 points) DC5-30V |
| FX3U-48MT/DSS |
FX3U-32BL battery (pre-installed in main unit) |
0.85 |
FX3U |
EMC、UL、cUL |
Dimension W: 155 |
Base unit |
24 points |
8 points |
182×90×86 |
DC24V sink/source input 5-7mA |
0.5A/1 point (0.8A/4 points) DC5-30V |
| FX3U-48MT/ES |
FX3U-32BL battery (pre-installed in main unit) |
0.85 |
FX3U |
EMC、LVD、UL、cUL |
Dimension W: 155 |
Base unit |
24 points |
24 points |
182×90×86 |
DC24V sink/source input 5-7mA |
0.5A/1 point (0.8A/4 points) DC5-30V |
| FX3U-48MT/ESS |
FX3U-32BL battery (pre-installed in main unit) |
0.85 |
FX3U |
EMC、LVD、UL、cUL |
Dimension W: 155 |
Base unit |
24 points |
24 points |
182×90×86 |
DC24V sink/source input 5-7mA |
0.5A/1 point (0.8A/4 points) DC5-30V |
| FX3U-64MR/DS |
FX3U-32BL battery (pre-installed in main unit) |
1 |
FX3U |
EMC、LVD、UL、cUL |
Dimension W: 193 |
Base unit |
32 points |
32 points |
220×90×86 |
DC24V sink/source input 5-7mA |
2A/1 point (8A/4 points), AC250V, DC30V |
| FX3U-64MR/ES |
FX3U-32BL battery (pre-installed in main unit) |
1 |
FX3U |
EMC、LVD、UL、cUL |
Dimension W: 193 |
Base unit |
32 points |
32 points |
220×90×86 |
DC24V sink/source input 5-7mA |
2A/1 point (8A/4 points), AC250V, DC30V |
| FX3U-64MS/ES |
FX3U-32BL battery (pre-installed in main unit) |
1 |
FX3U |
EMC、LVD、UL、cUL |
Dimension W: 193 |
Base unit |
32 points |
32 points |
220×90×86 |
DC24V sink/source input 5-7mA |
0.3A/1 point, 0.8A/4 points common AC85~242V |
| FX3U-64MT/DS |
FX3U-32BL battery (pre-installed in main unit) |
1 |
FX3U |
EMC、UL、cUL |
Dimension W: 193 |
Base unit |
32 points |
8 points |
220×90×86 |
DC24V sink/source input 5-7mA |
0.5A/1 point (0.8A/4 points) DC5-30V |
| FX3U-64MT/DSS |
FX3U-32BL battery (pre-installed in main unit) |
1 |
FX3U |
EMC、UL、cUL |
Dimension W: 193 |
Base unit |
32 points |
8 points |
220×90×86 |
DC24V sink/source input 5-7mA |
0.5A/1 point (0.8A/4 points) DC5-30V |
| FX3U-64MT/ES |
FX3U-32BL battery (pre-installed in main unit) |
1 |
FX3U |
EMC、LVD、UL、cUL |
Dimension W: 193 |
Base unit |
32 points |
32 points |
220×90×86 |
DC24V sink/source input 5-7mA |
0.5A/1 point (0.8A/4 points) DC5-30V |
| FX3U-64MT/ESS |
FX3U-32BL battery (pre-installed in main unit) |
1 |
FX3U |
EMC、LVD、UL、cUL |
Dimension W: 193 |
Base unit |
32 points |
32 points |
220×90×86 |
DC24V sink/source input 5-7mA |
0.5A/1 point (0.8A/4 points) DC5-30V |
| FX3U-80MR/DS |
FX3U-32BL battery (pre-installed in main unit) |
1.2 |
FX3U |
EMC、LVD、UL、cUL |
Dimension W: 258 |
Base unit |
40 points |
40 points |
285×90×86 |
DC24V sink/source input 5-7mA |
2A/1 point (8A/4 points), AC250V, DC30V |
| FX3U-80MR/ES |
FX3U-32BL battery (pre-installed in main unit) |
1.2 |
FX3U |
EMC、LVD、UL、cUL |
Dimension W: 258 |
Base unit |
40 points |
40 points |
285×90×86 |
DC24V sink/source input 5-7mA |
2A/1 point (8A/4 points), AC250V, DC30V |
| FX3U-80MT/DS |
FX3U-32BL battery (pre-installed in main unit) |
1.2 |
FX3U |
EMC、UL、cUL |
Dimension W: 258 |
Base unit |
40 points |
8 points |
285×90×86 |
DC24V sink/source input 5-7mA |
0.5A/1 point (0.8A/4 points) DC5-30V |
| FX3U-80MT/DSS |
FX3U-32BL battery (pre-installed in main unit) |
1.2 |
FX3U |
EMC、UL、cUL |
Dimension W: 258 |
Base unit |
40 points |
8 points |
285×90×86 |
DC24V sink/source input 5-7mA |
0.5A/1 point (0.8A/4 points) DC5-30V |
| FX3U-80MT/ES |
FX3U-32BL battery (pre-installed in main unit) |
1.2 |
FX3U |
EMC、LVD、UL、cUL |
Dimension W: 258 |
Base unit |
40 points |
40 points |
285×90×86 |
DC24V sink/source input 5-7mA |
0.5A/1 point (0.8A/4 points) DC5-30V |
| FX3U-80MT/ESS |
FX3U-32BL battery (pre-installed in main unit) |
1.2 |
FX3U |
EMC、LVD、UL、cUL |
Dimension W: 258 |
Base unit |
40 points |
40 points |
285×90×86 |
DC24V sink/source input 5-7mA |
0.5A/1 point (0.8A/4 points) DC5-30V |
Choose by I/O point count, output type and power supply. Please confirm the full part number and options against the MITSUBISHI ELECTRIC catalog; contact us if you need help identifying the right model.
Mitsubishi Electric is a Japanese manufacturer of factory automation and low-voltage power distribution equipment, including MELSEC PLCs, servo systems, inverters, magnetic contactors and starters, circuit breakers and measuring instruments.