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Keyence FU-A40

Fiber Unit Thrubeam type. . Series: Digital Fiber Optic Sensor. Series code: FS-N40 series

MPN: FU-A40
Category: Digital Fiber Optic Sensor

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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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What is the Keyence FU-A40?

Fiber Unit Thrubeam type. FU-A40. Series: Digital Fiber Optic Sensor. Series code: FS-N40 series

Specifications

Model Name	Fiber Unit Thrubeam type
Model Code	FU-A40
Series Title	Digital Fiber Optic Sensor
Series Code	FS-N40 series
Data Sheet URL	https://www.keyence.com/download/download/confirmation/?dlSeriesId=WS_SR57330&dlModelId=PM_009A40&dlSiteId=1&dlLanguageId=en-US&dlLangType=en-US
CAD URL	https://www.keyence.com/products/sensor/fiber-optic/fs-n40/downloads/?mode=cd&modelId=PM_009A40
Manuals URL	https://www.keyence.com/products/sensor/fiber-optic/fs-n40/downloads/?mode=ma&modelId=PM_009A40
Model	FU-A40*1
Type	Array thrubeam 40 mm 1.57" type
Optical axis area (Standard detection target) (mm inch)	40 × 0.25 mm1.575" × 0.01"
Fibre unit length	2 m 6.6' *2 (Free-cut) ø2.2 mm ø0.09" Spiral parts cannot be cut
Minimum bend radius	R10 mm0.394"
Minimum detectable object	ø2.5 mm ø0.10" opaque object*3
Tightening torque	0.75 N∙m
Environmental resistance - Enclosure rating	IP67
Environmental resistance - Ambient temperature	-20 to +50 °C -4 to 122 °F (No freezing)
Environmental resistance - Relative humidity	35 to 85 % RH (No condensation)
Material	Case : Die-cast zinc, Detecting surface : PBT, Core fiber : Acrylic, Fiber sheath : Polyethylene
Accessories	Fiber cutter, Mounting screws (M4 X L8, 4 units)
Weight	Approx. 70 g

FU-A40: frequently asked questions

When can FU-A40 be shipped?

FU-A40 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 FU-A40 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 FU-A40 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 FU-A40, subject to availability and destination.