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Keyence FS-N41N Digital Fiber Optic Sensor Amplifier

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Keyence FS-N41N Digital Fiber Optic Sensor Amplifier

Large Image : Keyence FS-N41N Digital Fiber Optic Sensor Amplifier

Product Details:

Place of Origin:	China
Brand Name:	KEYENCE
Model Number:	FS-N41N
Document:	AB-P+F-E+H-IFM-ASCO-YOKOGAW...WA.pdf

Payment & Shipping Terms:

Minimum Order Quantity:	1
Price:	negotiate
Packaging Details:	carton
Payment Terms:	T/T,Alipay,Paypal,XT
Supply Ability:	100PC

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Detailed Product Description

Measuring Range:	150 Mm	Indicator:	Power Indicator
Operating Temperature:	-25°C To +60°C	Head Mount:	DIN Form B Head Mount
Temperature Range:	-25°C To +60°C	Line Voltage:	200 To 600 Volts AC
Special Features:	Integrated TwinCAT 3 Runtime Environment	Product No:	BSW000R
Highlight:	Keyence FS-N41N fiber optic sensor , digital fiber optic amplifier , Keyence sensor amplifier with warranty

Keyence FS-N41N Digital Fiber Optic Sensor Amplifier

Manufacturer :KEYENCE
Product No. : FS-N41N

https://www.achievers-automation.com More Products

Description:

The Keyence FS-N41N is a cable-type main unit fiber amplifier belonging to the FS-N40 fiber sensor family. It works cooperatively with various Keyence fiber heads to realize non-contact object detection.

Equipped with multi-grade adjustable response speed ranging from ultra-fast 23 µs to slow 64 ms, it satisfies high-speed conveying detection and stable low-noise measurement scenarios. This unit adopts single NPN open-collector switching output without external input channel. Dual-color digital display and intuitive operation buttons support one-touch automatic calibration.

Multiple anti-mutual interference modes allow dense side-by-side installation of multiple amplifiers. Built-in complete protection circuits improve reliability in complex factory environments. Standard DIN rail mounting structure supports compact arrangement inside control cabinets.

Detail:

Parameter	Specification
Model Number	FS-N41N
Brand	Keyence
Series	FS-N40 Digital Fiber Optic Amplifier
Unit Type	Cable Type, Main Unit
Control Output	1-channel NPN open collector
Max Output Load	≤ 100 mA (standalone)
Residual Output Voltage	≤ 1.4 V (@ ≤10 mA); ≤ 2.0 V (10~100 mA)
Light Source	Red four-element LED, 660 nm
Response Time Options	23 µs / 50 µs / 250 µs / 500 µs / 1 ms / 4 ms / 16 ms / 64 ms
Supply Voltage	10 ~ 30 VDC (ripple ≤ ±10% P-P)
Power Consumption	≤ 910 mW (Normal) / ≤ 840 mW (ECO ON) / ≤750 mW (ECO FULL)
External Input Channel	None
Mutual Interference Suppression	Adjustable according to response speed setting
Protection Circuits	Reverse power, output overcurrent, surge protection

Parameter	Specification
Housing Material	Polycarbonate
Mounting Method	35 mm DIN rail mounting
Ambient Operating Temperature	-20 °C ~ +55 °C (non-freezing)
Storage Temperature	-25 °C ~ +65 °C
Allowable Ambient Light	Incandescent lamp ≤20,000 lx; Sunlight ≤30,000 lx
Vibration Resistance	10–55 Hz, 1.5 mm double amplitude, 2 hours per X/Y/Z axis
Shock Resistance	500 m/s², 3 shocks per X/Y/Z axis
Protection Class	IP40 (body, indoor cabinet installation)
Cable Type	Integrated outgoing cable
Certifications	CE, UL, CSA
Compliance	RoHS

Keyence FS-N41N Digital Fiber Optic Sensor Amplifier

Brand

Keyence FS-N41N Digital Fiber Optic Sensor Amplifier

With the rapid development of industrial automation, KEYENCE, as a leading supplier of sensors and measuring instruments, is constantly developing and manufacturing newer and more reliable products to meet the demands of various manufacturing industries. In addition to high-quality products, the well-trained KEYENCE sales team also offers excellent services, ranging from solving application problems, providing technical sales support to responding quickly to users' requests. KEYENCE has always been committed to supporting a wide range of users and helping them become leaders in their industries. Company Information n nCompany Name: KEYENCE n nDate of Establishment: May 27, 1974 n nRegistered Capital: 2,451 million RMB (30,638 million Japanese yen) n nHead Office and Research Center: 1-3-14, Nakajima, Higashiyodo, Osaka n nNumber of Employees: 3,150 (March 2011) n nBusiness Content: Sensors, Measuring instruments, Image Systems, Control? Research on measuring instruments? Analytical instruments for development

Keyence FS-N41N Digital Fiber Optic Sensor Amplifier

Achievers Automation Limited has more than 14 years experience in the market of Industrial Automation, specialized in reselling factory sealed Probe, Sensor, DCS,isolator barrier, HMI, PLC,Adapter,Profibus connector and cable from Brands .

Keyence FS-N41N Digital Fiber Optic Sensor Amplifier

Below are the TOP BRANDS we handle in the past 14 years:

Keyence FS-N41N Digital Fiber Optic Sensor Amplifier

FAQ of Achievers

Q:Are the Products Genuine OEM Units?

A: These items have been certified by Achievers Automation Limited to be genuine OEM Units obtained through OEM or independent third-party channels.

Q:How will you arrange shipment?

A: We can arrange shipment based on your request. We have cooperated forwader who can arrange shipment via FedEx, DHL,TNT with good price.

Q:What is the warranty of goods?

A: One-year Warranty.

Ratings & Review

Overall Rating

5.0

Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings

5 stars

100%

4 stars

3 stars

2 stars

1 stars

All Reviews

Ethan Wilson

Finland Jun 18.2026

Helpful (2)

We’ve installed the KEYENCE FS-N11P PNP fiber optic sensor main unit (part number 53192530) on our assembly production lines for nearly a year, and the practical performance is far better than generic fiber amplifiers we used before. This cable-type main unit delivers ultra-stable detection with quick response speed, perfectly matching all our KEYENCE fiber heads. The PNP output works seamlessly with our PLC input modules without any signal conversion trouble. Its digital display is bright and clear, so operators can adjust sensitivity thresholds easily on the production floor, even under strong workshop lighting. Anti-interference design handles surrounding electromagnetic noise from motors and inverters really well, with zero false triggers during long-hour continuous running. The compact body saves lots of space inside control boxes, and the wiring terminals lock cables firmly to avoid loose contacts caused by equipment vibration. We run high-speed packaging and part counting proces

Justin Moore

Congo Jun 18.2026

Helpful (1)

We equipped our automated assembly lines with the KEYENCE LV-N11N functional digital laser sensor (part number 54134802) over 10 months ago, and its field performance completely exceeded our expectations compared with generic laser sensors we used previously. This digital laser sensor delivers ultra-precise stable detection for tiny metal parts, plastic housings and dark matte workpieces. Its built-in digital signal processing effectively filters out interference from workshop dust, machine vibration and surrounding light sources, so we barely get false detections during round-the-clock production. The simple button calibration design lets our operators quickly set detection thresholds without complex software. NPN output connects perfectly with our PLC control system, signal transmission stays steady without lag even on high-speed conveyor stations. The slim lightweight body is easy to mount on narrow tool fixtures, and the robust housing resists minor oil splashes common in our machi

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Contact Person: Caroline Chan

Tel: 13271919169

Other Products

Keyence FS-N41P Digital Fiber Optic Sensor Amplifier

Measuring Range: 150 mm

Indicator: Power indicator

Operating Temperature: -25°C to +60°C