QX50 Mitsubishi MELSEC-Q Series Input

MPN: QX50 · Brand: Mitsubishi Electric (Factory Automation)

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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 – I/O
Lifecycle	Active mature
Warranty	12-month (new) · 3-month (used/refurbished)

Shipping & availability

When can QX50 be shipped?

QX50 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 QX50 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 QX50 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 QX50, subject to availability and destination.

The Mitsubishi Electric QX50 is a input in the MELSEC-Q Series. AC/DC input: 16 points, 48 V AC/48 V DC 4 mA, response time: 20 ms, 16 points/common, positive/negative common shared type, 18-point terminal block. Mitsubishi Electric has announced its discontinuation (2029/09 To be end of order) — plan spares now; PartnerPLC also sources it on the surplus market after the end of order. Specifications and manuals below are Mitsubishi Electric's own data.

Specifications

Product

Series	MELSEC-Q Series
Category	Input
Type	AC/DC input (positive/negative common shared)
Sales status	2029/09 To be end of order (Mitsubishi Electric)
Outline	AC/DC input: 16 points, 48 V AC/48 V DC 4 mA, response time: 20 ms, 16 points/common, positive/negative common shared type, 18-point terminal block

Input specifications

Input type	DC input (positive/negative shared common type) AC input
Number of input points	16 points
Rated input voltage	DC input: 48 V DC (+20/-15 %, ripple ratio within 5 %) AC input: 48 V AC (+10/-15 %), 50/60 Hz (±3 Hz) (ripple ratio within 5 %)
Rated input current	Approx. 4 mA
ON voltage/ON current	28 V or more/2.5 mA or more
OFF voltage/OFF current	10 V or less/1 mA or less
Input resistance	Approx. 11.2 kΩ
Input response time: OFF to ON	DC input: 5 ms or less AC input: 15 ms or less
Input response time: ON to OFF	DC input: 20 ms or less AC input: 20 ms or less
Input common terminal arrangement	16 points/common

Common specifications

Isolation method	Photocoupler
Dielectric withstand voltage	1060 V AC rms/3 cycles (altitude 2000 m)
Insulation resistance	10 MΩ or higher by insulation resistance tester
Protection degree	IP2X
Operation indication	ON indication (LED)
External interface	18-point terminal block (M3 screw)
Number of occupied I/O points	16 points (I/O assignment: Input 16 points)
Internal current consumption (5 V DC)	50 mA (TYP. all points ON)
External dimensions: Height	98 mm
External dimensions: Width	27.4 mm
External dimensions: Depth	90 mm
Weight	0.13 kg