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A1SJ71AP21-S3 Mitsubishi MELSEC Network / communication module
Discontinued by Mitsubishi Electric (Factory Automation) — we can still source the original A1SJ71AP21-S3 (new, used or refurbished, subject to availability). Request a quote below.
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Quick facts
| Availability | Confirmed on request |
| Category | Mitsubishi MELSEC I/OLINK, MELSECNET & A-Series Network Modules |
| Lifecycle | Discontinued |
| Warranty | 12-month (new) · 3-month (used/refurbished) |
| Recommended replacement | QJ71LP21G |
Shipping & availability
Can I still buy the A1SJ71AP21-S3 now that it is discontinued?
Yes. Mitsubishi Electric (Factory Automation) has discontinued the A1SJ71AP21-S3, but sourcing discontinued parts is what PartnerPLC specialises in — new old stock, used and refurbished units. Request a quote and we'll confirm availability, condition and lead time. If you are planning an upgrade instead, Mitsubishi Electric (Factory Automation) names the QJ71LP21G as its successor — we can quote both.
When can A1SJ71AP21-S3 be shipped?
A1SJ71AP21-S3 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up A1SJ71AP21-S3 in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for A1SJ71AP21-S3 and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for A1SJ71AP21-S3, subject to availability and destination.
Mitsubishi Electric A1SJ71AP21-S3 — Network / communication module, MELSEC-A Series network / I/OLINK. Discontinued by Mitsubishi Electric. Mitsubishi names QJ71LP21G as alternative. PartnerPLC sources discontinued and surplus Mitsubishi MELSEC parts — request a quote for price, condition and lead time.
Specifications
Product
| Lifecycle | Discontinued by Mitsubishi Electric |
| Series | MELSEC-A Series network / I/OLINK |
| Product type | Network / communication module |
| Mitsubishi technical bulletin | FA-A-0142-C |
| Mitsubishi alternative model(s) | QJ71LP21G |
Transition notes to QJ71LP21G (Mitsubishi)
| Note 1 | When both a local station and a remote I/O station exist, the PLC to |
| Note 2 | PLC network and remote I/O network are respectively required for |
| Note 3 | these stations. |
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