Q312B-E Mitsubishi MELSEC-Q Series Main base

MPN: Q312B-E · Brand: Mitsubishi Electric (Factory Automation)

Price on request

Discontinued by Mitsubishi Electric (Factory Automation) — we can still source the original Q312B-E (new, used or refurbished, subject to availability). Request a quote below.

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

30-day returns, no restocking fee on unused parts

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Quick facts

Availability	Confirmed on request
Category	Mitsubishi MELSEC-Q Series – Base
Lifecycle	Discontinued
Warranty	12-month (new) · 3-month (used/refurbished)

Shipping & availability

Can I still buy the Q312B-E now that it is discontinued?

Yes. Mitsubishi Electric (Factory Automation) has discontinued the Q312B-E, 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.

When can Q312B-E be shipped?

Q312B-E 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 Q312B-E 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 Q312B-E 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 Q312B-E, subject to availability and destination.

The Mitsubishi Electric Q312B-E is a main base in the MELSEC-Q Series. 12 slots, power supply module required, for Q Series modules (English manual included). Mitsubishi Electric has discontinued it (2010/09 Discontinued); PartnerPLC sources discontinued Mitsubishi parts on the surplus market for maintenance of existing machines. Specifications and manuals below are Mitsubishi Electric's own data.

Specifications

Product

Series	MELSEC-Q Series
Category	Main base
Type	Normal type
Sales status	2010/09 Discontinued (Mitsubishi Electric)
Outline	12 slots, power supply module required, for Q Series modules (English manual included)

Specifications

Number of mountable I/O modules	12
Possibility of extension	Extendable
Applicable module	MELSEC-Q series modules
Applicable power supply module	MELSEC-Q series power supply module
Internal current consumption (5 V DC)	0.13 A
Mounting hole size	M4 screw hole or ø4.5 hole (for M4 screw)
External dimensions: Height	98 mm
External dimensions: Width	439 mm
External dimensions: Depth	44.1 mm
Weight	0.47 kg
DIN rail mounting adapter type	Q6DIN1 (sold separately)