Home / Mitsubishi Electric (Factory Automation) / Mitsubishi MELSEC-QS/WS Safety – Safety relay / QS90SR2SP-EX Mitsubishi MELSEC-QS/WS Safety For extension

Available on request

QS90SR2SP-EX Mitsubishi MELSEC-QS/WS Safety For extension

MPN: QS90SR2SP-EX · Brand: Mitsubishi Electric (Factory Automation)

Price on request

Discontinued by Mitsubishi Electric (Factory Automation) — we can still source the original QS90SR2SP-EX (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-QS/WS Safety – Safety relay
Lifecycle	Discontinued
Warranty	12-month (new) · 3-month (used/refurbished)

Shipping & availability

Can I still buy the QS90SR2SP-EX now that it is discontinued?

Yes. Mitsubishi Electric (Factory Automation) has discontinued the QS90SR2SP-EX, 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 QS90SR2SP-EX be shipped?

QS90SR2SP-EX 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 QS90SR2SP-EX 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 QS90SR2SP-EX 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 QS90SR2SP-EX, subject to availability and destination.

The Mitsubishi Electric QS90SR2SP-EX is a for extension in the MELSEC-QS/WS Safety. Safety input: 1 point (2 inputs), P type (positive common/positive common input), safety output: 1 point (3 outputs), For extension. Mitsubishi Electric has discontinued it (2025/03 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-QS/WS Safety
Category	For extension
Sales status	2025/03 Discontinued (Mitsubishi Electric)
Outline	Safety input: 1 point (2 inputs), P type (positive common/positive common input), safety output: 1 point (3 outputs), For extension

Input specifications

Number of safety input points	1 safety input point (2 inputs)
Number of other input points	1 start-up input point
Safety input rated input voltage	24 V DC (ripple ratio: within 5 %) (allowable voltage range: 20.4...26.4 V DC)
Safety input rated input current	4.6 mA
Input type: Type	P type
Input type: X0	Positive common
Input type: X1	Positive common
Input isolation method	Relay
Input common terminal arrangement	All points independent

Output specifications

Number of safety output points	1 safety output point (3 outputs)
Rated load current	Category 3: 5.0 A/point or less Category 4: 3.6 A/point or less
Minimum switching load	5 V DC, 5 mA
Maximum allowable voltage of contact	250 V AC, 30 V DC
Resistance load	250 VAC/5 A, 30 VDC/5 A
Relay life: Mechanical	5 million times or more
Relay life: Electrical	100 thousand times or more
Maximum switching frequency	1200 times/hour based on the rated control capacity
Response time: Time until output ON	50 ms or less (safety input ON → safety output ON)
Response time: Time until output OFF	20 ms or less (safety input OFF → safety output OFF)
Output isolation method	Relay
Output common terminal arrangement	All points independent

Common specifications

Dielectric withstand voltage	Between safety outputs: 2500 V AC/1 mA or less for 1 minute Between safety input and safety output: 2500 V AC/1 mA or less for 1 minute Between power supply and safety output: 2500 V AC/1 mA or less for 1 minute
Insulation resistance	Between safety outputs: 100 MΩ or more, measured with a 500 V DC insulation resistance tester Between safety input and safety output: 100 MΩ or more, measured with a 500 V DC insulation resistance tester Between power supply and safety output: 100 MΩ or more, measured with a 500 V DC insulation resistance tester
Module power supply: Voltage	Supplied from Q series safety relay module or CC-Link safety relay module.
Safety power supply: Voltage	Supplied from Q series safety relay module or CC-Link safety relay module.
Protection degree	IP1X
External interface	Two-piece spring clamp terminal block
External dimensions: Height	112 mm
External dimensions: Width	45 mm
External dimensions: Depth	113.5 mm
Weight	0.35 kg

Specifications

Operating ambient temperature	0...55 ˚C
Storage ambient temperature	-20...75 ˚C
Operating ambient humidity	30...85 %RH, non-condensing
Storage ambient humidity	30...85 %RH, non-condensing
Vibration resistance: Compliant with JIS B 3502 and IEC 61131-2: Under intermittent vibration	Frequency: 5...8.4 Hz, Half amplitude: 3.5 mm Frequency: 8.4...150 Hz, Constant acceleration: 9.8 m/s 2 Sweep count: 10 times each in X, Y, Z directions
Vibration resistance: Compliant with JIS B 3502 and IEC 61131-2: Under continuous vibration	Frequency: 5...8.4 Hz, Half amplitude: 1.75 mm Frequency: 8.4...150 Hz, Constant acceleration: 4.9 m/s 2
Shock resistance	Compliant with JIS B 3502 and IEC 61131-2 (147 m/s 2 , duration of action 11 ms, 3 times in X, Y, Z directions respectively by sine half-wave pulse)
Operating atmosphere	No corrosive gases
Operating altitude	0...2000 m
Installation location	Inside a control panel of IP standard 54 or more
Overvoltage category	III or less
Pollution degree	2 or less
Equipment class	Class I