AJ55TB32-4DR Mitsubishi MELSEC-I/OLINK remote I/O module

MPN: AJ55TB32-4DR · Brand: Mitsubishi Electric (Factory Automation)

Price on request

Discontinued by Mitsubishi Electric (Factory Automation) — we can still source the original AJ55TB32-4DR (new, used or refurbished, subject to availability). Request a quote below.

Request a Quote

12-month warranty (new) · 3-month (used/refurbished)

30-day returns, no restocking fee on unused parts

Ships via

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	A20SB-04U, A20PB-04RS, A20SB-04US

Shipping & availability

Can I still buy the AJ55TB32-4DR now that it is discontinued?

Yes. Mitsubishi Electric (Factory Automation) has discontinued the AJ55TB32-4DR, 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 A20SB-04U as its successor — we can quote both.

When can AJ55TB32-4DR be shipped?

AJ55TB32-4DR 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 AJ55TB32-4DR 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 AJ55TB32-4DR 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 AJ55TB32-4DR, subject to availability and destination.

Mitsubishi Electric AJ55TB32-4DR — MELSEC-I/OLINK remote I/O module, MELSEC-A Series network / I/OLINK. Discontinued by Mitsubishi Electric. Mitsubishi names A20SB-04U, A20PB-04RS 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	MELSEC-I/OLINK remote I/O module
Mitsubishi technical bulletin	FA-A-0142-C
Mitsubishi alternative model(s)	A20SB-04U, A20PB-04RS, A20SB-04US

Transition notes to A20SB-04U (Mitsubishi)

Note 1	1) External wiring: Changed
Note 2	2) Number of modules: Changed (Two modules are required.)
Note 3	3) Program: Changed
Note 4	4) Specifications:
Note 5	(Input part)
Note 6	Rated input voltage: Not changed
Note 7	Rated input current: Not changed
Note 8	ON voltage/ON current: Changed
Note 9	OFF voltage/OFF current: Changed
Note 10	Input resistance: Not changed
Note 11	(Output part)
Note 12	Rated load voltage: Changed (The voltage that can be used is equivalent.)
Note 13	Rated load current: Not changed
Note 14	Maximum switching frequency: Changed (3600 times/hour 20 times/minute)