Mitsubishi MELSEC-F FX3U and FX3UC compact PLC main units

MELSEC-F FX3U / FX3UC Series

Mitsubishi Electric MELSEC-F FX3U-32MR/ES compact PLC main unit, AC power, 16 inputs and 16 relay outputs

MELSEC-F FX3U / FX3UC Series

Mitsubishi Electric MELSEC-F FX3U and FX3UC compact PLC main units. FX3U comes in 16, 32, 48, 64, 80 and 128-point units with AC or DC power and relay or transistor outputs. FX3UC is the 24 V DC connector-type unit with 16 to 96 points. All models are orderable until 31 March 2028, and MELSEC iQ-F FX5U, FX5UJ and FX5UC are the recommended successors.

สนใจสินค้า

Type

Model :

MELSEC-F FX3U / FX3UC Series

Screw diameter for both ends:

FX3U: AC (/ES, /UA1) or DC (/DS, /DSS) power; FX3UC: 24 V DC. Relay or transistor outputs.

Applicable fluid:

Features

MELSEC-F FX3U and FX3UC are Mitsubishi Electric compact programmable controllers. This page lists the FX3U and FX3UC main units and their recommended MELSEC iQ-F successors. All models on this page are orderable until 31 March 2028, per Mitsubishi Electric notice FAM-A-0116-B.

Which FX3U main units are available?

AC power, relay output: FX3U-16, 32, 48, 64, 80 and 128MR/ES.
AC power, transistor output: FX3U-16, 32, 48, 64, 80 and 128MT/ES; FX3U-16, 32, 48, 64, 80 and 128MT/ESS.
AC power, MS type: FX3U-32MS/ES and FX3U-64MS/ES.
DC power, relay output: FX3U-16, 32, 48, 64 and 80MR/DS.
DC power, transistor output: FX3U-16, 32, 48, 64 and 80MT/DS; FX3U-16, 32, 48, 64 and 80MT/DSS.
UA1 type, relay output: FX3U-32MR/UA1 and FX3U-64MR/UA1.

Which FX3UC main units are available?

Transistor output: FX3UC-16, 32, 64 and 96MT/D; FX3UC-16, 32, 64 and 96MT/DSS.
Relay output: FX3UC-16MR/D-T and FX3UC-16MR/DS-T.

Mitsubishi Electric MELSEC-F FX3UC-32MT/D compact PLC main unit, 24 V DC power, transistor outputs

What replaces FX3U and FX3UC in MELSEC iQ-F?

FX3U-16MR/ES, 16MT/ES, 16MT/ESS: FX5U-32MR/ES, 32MT/ES, 32MT/ESS, or FX5UJ-24MR/ES, 24MT/ES, 24MT/ESS.
FX3U-32MR/ES, 32MT/ES, 32MT/ESS: FX5U-32MR/ES, 32MT/ES, 32MT/ESS, or FX5UJ-40MR/ES, 40MT/ES, 40MT/ESS.
FX3U-48MR/ES, 48MT/ES, 48MT/ESS: FX5U-64MR/ES, 64MT/ES, 64MT/ESS, or FX5UJ-40MR/ES + FX5-8EYR/ES, FX5UJ-40MT/ES + FX5-8EYT/ES, FX5UJ-40MT/ESS + FX5-8EYT/ESS.
FX3U-64MR/ES, 64MT/ES, 64MT/ESS: FX5U-64MR/ES, 64MT/ES, 64MT/ESS, or FX5UJ-60MR/ES + FX5-8EYR/ES, FX5UJ-60MT/ES + FX5-8EYT/ES, FX5UJ-60MT/ESS + FX5-8EYT/ESS.
FX3U-80MR/ES, 80MT/ES, 80MT/ESS: FX5U-80MR/ES, 80MT/ES, 80MT/ESS, or FX5UJ-60MR/ES + FX5-8EX/ES + FX5-16EYR/ES, FX5UJ-60MT/ES + FX5-8EX/ES + FX5-16EYT/ES, FX5UJ-60MT/ESS + FX5-8EX/ES + FX5-16EYT/ESS.
FX3U-128MR/ES: FX5U-80MR/ES + FX5-32ER/ES + FX5-16ER/ES, or FX5UJ-60MR/ES + 2 × FX5-32ER/ES + FX5-8EYR/ES.
FX3U-128MT/ES: FX5U-80MT/ES + FX5-32ET/ES + FX5-16ET/ES, or FX5UJ-60MT/ES + 2 × FX5-32ET/ES + FX5-8EYT/ES.
FX3U-128MT/ESS: FX5U-80MT/ESS + FX5-32ET/ESS + FX5-16ET/ESS, or FX5UJ-60MT/ESS + 2 × FX5-32ET/ESS + FX5-8EYT/ESS.
FX3U-32MS/ES: FX5U-32MT/ES + FA-TH16YSR20S + FA-CBL10(Y)M20, or FX5UJ-40MT/ES + FA-TH16YSR20S + FA-CBL10(Y)M20.
FX3U-64MS/ES: FX5U-64MT/ES + 2 × FA-TH16YSR20S + 2 × FA-CBL10(Y)M20, or FX5UJ-60MT/ES + FX5-8EYT/ES + 2 × FA-TH16YSR20S + 2 × FA-CBL10(Y)M20.
FX3U-16MR/DS, 16MT/DS, 16MT/DSS: FX5U-32MR/DS, 32MT/DS, 32MT/DSS, or FX5UJ-24MR/DS, 24MT/DS, 24MT/DSS.
FX3U-32MR/DS, 32MT/DS, 32MT/DSS: FX5U-32MR/DS, 32MT/DS, 32MT/DSS, or FX5UJ-40MR/DS, 40MT/DS, 40MT/DSS.
FX3U-48MR/DS, 48MT/DS, 48MT/DSS: FX5U-64MR/DS, 64MT/DS, 64MT/DSS, or FX5UJ-60MR/DS, 60MT/DS, 60MT/DSS.
FX3U-64MR/DS, 64MT/DS, 64MT/DSS: FX5U-64MR/DS, 64MT/DS, 64MT/DSS, or FX5UJ-60MR/DS + FX5-8EYR/ES, FX5UJ-60MT/DS + FX5-8EYT/ES, FX5UJ-60MT/DSS + FX5-8EYT/ESS.
FX3U-80MR/DS, 80MT/DS, 80MT/DSS: FX5U-80MR/DS, 80MT/DS, 80MT/DSS, or FX5UJ-60MR/DS + FX5-8EX/ES + FX5-16EYR/ES, FX5UJ-60MT/DS + FX5-8EX/ES + FX5-16EYT/ES, FX5UJ-60MT/DSS + FX5-8EX/ES + FX5-16EYT/ESS.
FX3U-32MR/UA1: FX5U-32MR/ES + FA-TH16X100A31(L) + FA-CBL10(Y)M20, or FX5UJ-40MR/ES + FA-TH16X100A31(L) + FA-CBL10(Y)M20.
FX3U-64MR/UA1: FX5U-64MR/ES + 2 × FA-TH16X100A31(L) + 2 × FA-CBL10(Y)M20.
FX3UC-16MR/D-T and FX3UC-16MR/DS-T: FX5UC-32MR/DS-TS.
FX3UC-16MT/D and 32MT/D: FX5UC-32MT/D. FX3UC-16MT/DSS and 32MT/DSS: FX5UC-32MT/DSS.
FX3UC-64MT/D and 96MT/D: FX5UC-64MT/D and FX5UC-96MT/D. FX3UC-64MT/DSS and 96MT/DSS: FX5UC-64MT/DSS and FX5UC-96MT/DSS.
FA-TH terminal blocks and FA-CBL cables are compatible "available products" listed in Mitsubishi Electric notice FAM-A-0116-B; Mitsubishi Electric does not verify them, and they are not official replacement models. Check their specifications before use.
Check the exact replacement for each model and power type with TKK before you plan the change.

Mitsubishi Electric MELSEC iQ-F FX5U-32MR/ES CPU module, the recommended successor to FX3U-16/32MR/ES

Why choose TKK for Mitsubishi Electric products?

TKK helps factory teams source, select and support Mitsubishi Electric products with confidence, from the first quotation to long after installation.

Official Mitsubishi Electric distributor, supplying genuine products through an authorized channel.
Competitive, value-focused pricing for single units and project quantities.
Ask us about current availability, and our specialists can recommend a suitable replacement if needed.
A team of product specialists ready to advise on model selection, application and replacement.
Dedicated, responsive after-sales service and technical support.

Contact TKK for model selection or a quotation for your machine.

Mitsubishi MELSEC-F FX3U and FX3UC compact PLC main units

MELSEC-F FX3U / FX3UC Series

MELSEC-F FX3U / FX3UC Series

Which FX3U main units are available?

Which FX3UC main units are available?

What replaces FX3U and FX3UC in MELSEC iQ-F?

Related products

Why choose TKK for Mitsubishi Electric products?

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