Keyence FS-N41N Digital Fibre Optic Sensor

£224.19 inc VAT

In Stock · Delivered in 3–5 Working Days
Estimated UK delivery time, subject to order confirmation, courier services and destination. International delivery times vary.
Technical SpecificationsKeyence
Model FSN41N
Type Digital Fibre Optic Sensor
Output Type NPN
Connection Type Cable
Weight Approx. 78 g
Main/Expansion Unit Main Unit
Light Source Red Four-Element LED (660 nm)
Control Output Open Collector, 30 VDC Max, 100 mA Max per Output
Unit Expansion Capability Up to 16 expansion units (17 total including main)
Mutual Interference Prevention S-HSPD / HSPD: 0 units FINE: 4 units TURBO / SUPER / ULTRA / MEGA / TERA: 8 units
✓ Genuine OEM Parts✓ 2-Year Store-Backed Warranty✓ Technical Support

Found a Better Price? We’ll Match or Beat It!Send us the competing price or quote for a personalised offer.

🛡️ 24-Month Drive Outlet Warranty

Every product is 100% new, genuine, and backed by our exclusive 2-year warranty. We are an independent supplier and not an authorised distributor. Manufacturer warranties may not apply. See our Terms and Conditions.

SKU: FS-N41N Category: Tags: , Brand:
Guaranteed Safe Checkout
Extra Features
  • 100% Brand New & Genuine OEM Product
  • Includes Full 2-Year Warranty for Peace of Mind
  • Fast UK & Worldwide Shipping – Fully Tracked
  • Expert Technical Support from Our In-House Engineers
  • Found a Better Price? We’ll Match or Beat It Instantly

Keyence FS-N41N Digital Fibre Optic Sensor

The Keyence FS-N41N is a high-speed digital fibre optic sensor designed for fast, precise object detection in compact industrial automation setups. Featuring a red four-element LED, ultra-fast 23 µs response time, and advanced mutual interference prevention, it delivers stable performance across a wide range of applications.

Technical Specifications

Model FSN41N
Type Digital Fibre Optic Sensor
Output Type NPN
Connection Type Cable
Main/Expansion Unit Main Unit

Performance & Measurement Features

Light Source Red Four-Element LED (660 nm)
Control Output Open Collector, 30 VDC Max, 100 mA Max per Output
Unit Expansion Capability Up to 16 expansion units (17 total including main)
Response Time Super High-Speed (S-HSPD): 23 µs High-Speed (HSPD): 50 µs Fine (FINE): 250 µs Turbo (TURBO): 500 µs Super (SUPER): 1 ms Ultra (ULTRA): 4 ms Mega (MEGA): 16 ms Tera (TERA): 64 ms
Mutual Interference Prevention S-HSPD / HSPD: 0 units FINE: 4 units TURBO / SUPER / ULTRA / MEGA / TERA: 8 units

Environmental & Mechanical Specifications

Power Supply 10 to 30 VDC (Class 2, LPS, Ripple ≤ 10%)
Operating Temperature -20°C to +55°C (no freezing)
Vibration Resistance 10–55 Hz, 1.5 mm double amplitude, 2 hours in each X, Y, Z direction
Shock Resistance 500 m/s², 3 times each on X, Y, Z axes
Material Polycarbonate (main unit & cover)
Weight Approx. 78 g
Power Consumption Normal: 870 mW (34 mA at 24 V, 62 mA at 12 V) ECO ON: 800 mW (31 mA at 24 V, 56 mA at 12 V) ECO FULL: 710 mW (28 mA at 24 V, 49 mA at 12 V)
Ambient Light Resistance Incandescent: ≤ 20,000 lux Sunlight: ≤ 30,000 lux

Frequently Asked Questions

How can I check whether FS-N41N is the correct replacement?

Check the operating voltage, sensing or protective range, output type, connections and required accessories against your existing installation or the relevant manufacturer datasheet.

How quickly can FS-N41N be delivered?

This product is listed as in stock, with estimated UK delivery in 3–5 working days. Delivery depends on order confirmation, courier services and destination.

Where can I check specifications and compatibility?

Review the specification information above and the product’s Downloads or Data Sheets tab, where documents are supplied. Our team can help check part numbers and installation compatibility.

What warranty does Drive Outlet Megastore offer?

Drive Outlet offers its own 2-year return-to-base warranty unless otherwise stated. Manufacturer warranties may not apply; please review the Terms and Conditions before ordering.

Weight 0.078 kg

Reviews

There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

Keyence Supplier UK – Sensors, Vision Systems & Measurement Parts

Browse Keyence products for vision sensors, laser sensors, safety interlocks, measurement systems, amplifiers, cables and industrial inspection applications.

⚙️ Genuine OEM Automation Parts
🔎 Search by Part Number
🚚 Fast UK & International Delivery
🛠️ Technical Sourcing Support

Popular Keyence Products

Use the product links below as quick routes into this brand. If you already know your part number, use the search bar for the fastest result.


Shop Keyence by Product Category, Series & Specification

Compare Keyence products by sensor family, detection range, controller type, camera or head type, cable length, output method and exact part number.


Need Help Finding the Right Keyence Product?

If you cannot find the exact part number, send us the model code, a photo of the rating plate or the details of the machine it is fitted to. We can help check availability, replacements and suitable alternatives.


Keyence FAQs

How do I find the correct Keyence product?

The fastest way is to search using the exact manufacturer part number or model code. You can also browse this brand page by product category, series and specification to compare close alternatives.

What should I check before buying Keyence products?

Check the Keyence model code, controller compatibility, sensor head type, cable requirements, detection range, output type and whether the part matches the existing system.

Can you help if my exact Keyence part number is not listed?

Yes. Send us the part number, a photo of the label or the machine details and we can check availability, replacement options and suitable alternatives.

Are these products suitable for industrial replacement jobs?

These pages are designed for maintenance teams, panel builders, OEM buyers and engineers who need part-number-led industrial automation spares for repairs, upgrades and breakdown support.

How quickly can you supply Keyence products?

Availability depends on the exact product and quantity required. Check the product page or contact us and we can confirm stock position, lead time and shipping options.

View all Keyence products

Need help choosing the correct sensor/vision spec for your application?

Tell us the target, distance, environment and output type — we’ll recommend the best matched model.

  • Range, output and mounting guidance
  • Suitable options for harsh/industrial environments
  • Fast quote + stocked alternatives