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Mitsubishi Electric FX3S-14MT/DSS — PLCs (Programmable Logic Controllers)

Mitsubishi FX3S-14MT/DSS PLC, 14 I/O, current lifecycle

MPNFX3S-14MT/DSS

Mitsubishi FX3S series compact PLC, FX3S-14MT/DSS, 14 I/O points, listed lifecycle stage current, weight 0.27 kgs.

$228.60Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

FX3S-14MT/DSS — Mechanical
ParameterValue
Weight0.27 kgs

Product details

The Mitsubishi FX3S-14MT/DSS is a compact PLC from the FX3S family, carrying 14 I/O points and classified under PLCs and Accessories / Industrial Computer Board.

Where the FX3S-14MT/DSS sits against its siblings

The FX3S-20MR/DS sibling carries 20 I/O points against this part's 14, and the suffix change (MT vs MR) signals a different output stage — transistor versus relay — which is why an installer asking whether the FX3S-14MT/DSS drops into a panel specified around the FX3S-20MR/DS should expect rewiring and a different output load curve, not a clean swap.

Field note on integration

FX3S-14MT/DSS ships as a compact PLC body intended for DIN-rail mounting inside a control sub-panel; with 14 I/O on board, the engineer reserves the expansion budget for the future BD board or extension block rather than burning it on day-one I/O.

Frequently asked questions

What is the closest functional second-source — FX3S-20MR/DS?

FX3S-20MR/DS is a sibling in the same FX3S family but with 20 I/O points against this part's 14, and the suffix shift from MT to MR moves the output stage from transistor to relay — so it is a different I/O and output configuration, not a clean second source.

Will FX3S-14MT/DSS drop into a panel specified around FX3S-20MR/DS without rewiring?

No. The two parts differ in I/O count (14 vs 20) and in output stage (MT transistor vs MR relay), so the wiring schedule, output load assumptions, and the I/O map all change.

MPN
FX3S-14MT/DSS