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A1SJ71AR21 Mitsubishi MELSECNET(II)/B data link module
Discontinued by Mitsubishi Electric (Factory Automation) — we can still source the original A1SJ71AR21 (new, used or refurbished, subject to availability). Request a quote below.
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Quick facts
| Availability | Confirmed on request |
| Category | Mitsubishi MELSEC-AnS / QnAS Series (small type, discontinued) |
| Lifecycle | Discontinued |
| Warranty | 12-month (new) · 3-month (used/refurbished) |
| Recommended replacement | QJ71BR11 |
Shipping & availability
Can I still buy the A1SJ71AR21 now that it is discontinued?
Yes. Mitsubishi Electric (Factory Automation) has discontinued the A1SJ71AR21, 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 QJ71BR11 as its successor — we can quote both.
When can A1SJ71AR21 be shipped?
A1SJ71AR21 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 A1SJ71AR21 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 A1SJ71AR21 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 A1SJ71AR21, subject to availability and destination.
Mitsubishi Electric A1SJ71AR21 — MELSECNET(II)/B data link module, MELSEC-AnS/QnAS Series (small type). Discontinued by Mitsubishi Electric (final production September 2014, technical bulletin FA-A-0142-C). Mitsubishi names QJ71BR11 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-AnS/QnAS Series (small type) |
| Product type | MELSECNET(II)/B data link module |
| Final production | September 2014 |
| Mitsubishi technical bulletin | FA-A-0142-C |
| Mitsubishi alternative model(s) | QJ71BR11 |
Transition notes to QJ71BR11 (Mitsubishi)
| Note 1 | To replace the system gradually with the existing MELSECNET (II) |
| Note 2 | used, it is recommended to use the A1SJ71A23(B)Q, a |
| Note 3 | MELSECNETII local station module. |
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