Keyence FS-N12N

Keyence FS-N12N Fibre Amplifier, Cable Type, Expansion Unit, NPN

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Keyence FS-N12N FS-N12N Fibre Amplifier, Cable Type, Expansion Unit, NPN — Optical & Photoelectric Sensors
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Product Description

The Keyence FS-N12N Fibre Amplifier is a high-performance, cable-type expansion unit designed for precise detection in industrial automation applications. Featuring an NPN open collector output, this unit is ideal for expanding existing systems with up to 16 connected units. The FS-N12N utilizes a red, 4-element LED light source with APC ON/OFF switchable functionality, ensuring reliable performance under various conditions.

With response times ranging from 50 µs to 16 ms, the FS-N12N offers flexibility for different application needs. It supports multiple interference prevention units, enhancing its reliability in complex environments. The unit operates within a wide ambient temperature range of -20 to +55 °C and can withstand harsh conditions, including vibrations and shocks.

The FS-N12N is designed with energy efficiency in mind, offering normal, eco on, and eco full modes to reduce power consumption. Its polycarbonate housing ensures durability, and it complies with stringent industrial standards, making it a robust choice for demanding applications.

Applications: The FS-N12N is suitable for use in manufacturing, packaging, and other industrial automation settings where precise fibre optic sensing is required.

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Offer details

Best offer from:
Trusted supplier — United Kingdom, member since 2023
Availability:
5 pcs.
In-Stock
Updated at: 05-09-2026
Warranty:
12 months
Condition:
New Surplus
New Surplus - A new, unused, undamaged item without a manufacturer guarantee. The item may come without original packaging or in replacement packaging. If provided, the box may have been opened.
The Seller is responsible for shipping the product and invoicing

Specifications

Brand
Keyence
Model
FS-N12N
Type
Standard 1 output
Main unit/Expansion unit
Expansion unit
Control output
1 NPN open collector 24 V; 1 output max: 100 mA or less; 2 output total: 100 mA or less (used stand-alone)/20 mA or less (multiple connections); residual voltage 1 V or less
Monitor output
1-5 V
Type
Red, 4-element LED

Available Offers

(6)
FS-N12N Keyence, Optical & Photoelectric Sensors

Keyence

Available:
1 pc.
On Request
Updated at: 22-08-2026
Offer from:
Trusted supplier — Romania, member since 2023, 1–4 employees
FS-N12N Keyence, Optical & Photoelectric Sensors

Keyence

Available:
11 pcs.
In-Stock
Updated at: 05-09-2026
Offer from:
Trusted supplier — United States, member since 2022, 50–99 employees
Warranty:
2 months
FS-N12N Keyence, Optical & Photoelectric Sensors

Keyence

Available:
5 pcs.
In-Stock
Updated at: 05-09-2026
Offer from:
Trusted supplier — United States, member since 2022, 50–99 employees
Warranty:
2 months

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Documents

Data Sheet

Datasheet for Keyence FS-N12N, including specifications and features.

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CAD Models

3D CAD model and technical drawings, ready for your design software.

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