Keyence FS-N42P

Keyence FS-N42P Fibre Amplifier, Cable Type, Expansion Unit, PNP

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Keyence FS-N42P FS-N42P Fibre Amplifier, Cable Type, Expansion Unit, PNP — Optical & Photoelectric Sensors
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Product Description

The Keyence FS-N42P Fibre Amplifier is a high-performance, cable-type expansion unit designed for precise and rapid detection in industrial automation applications. This unit features a PNP output and is part of the FS-N40 series, known for its exceptional reliability and versatility. The FS-N42P offers multiple response time settings, ranging from 23 µs to 64 ms, ensuring optimal performance for various detection tasks.

Equipped with a red, four-element LED light source, the FS-N42P provides stable and accurate detection. The unit supports up to 16 expansions, allowing for scalable solutions in complex automation systems. Its robust design includes protection circuits against reverse power connection, output overcurrent, output surge, and reverse output connection, ensuring long-term durability and safety.

The FS-N42P is engineered to withstand harsh industrial environments, with resistance to ambient light, vibration, and shock. The polycarbonate case material further enhances its durability. Additionally, the unit's low power consumption and ECO modes contribute to energy efficiency, making it an environmentally friendly choice.

Applications for the FS-N42P include precise object detection, position sensing, and presence verification in manufacturing, packaging, and assembly lines. Its compatibility with various fibre optic sensors and easy integration into existing systems make it a versatile and valuable component in any automation setup.

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Offer details

Best offer from:
Trusted supplier — Poland, member since 2022, 1–4 employees
Availability:
5 pcs.
In-Stock
Updated at: 08-09-2026
Warranty:
6 months
Condition:
New Factory Sealed
New Factory Sealed - A brand-new, unused, unopened, undamaged item in its original manufacturer-sealed packaging.
The Seller is responsible for shipping the product and invoicing

Specifications

Brand
Keyence
Model
FS-N42P
Type
Cable
Output
PNP
Main unit/expansion unit
Expansion unit
Response time
23 µs (S-HSPD) / 50 µs (HSPD) / 250 µs (FINE) / 500 µs (TURBO) / 1 ms (SUPER) / 4 ms (ULTRA) / 16 ms (MEGA) / 64 ms (TERA)
Number of control outputs
1

Available Offers

(4)
FS-N42P Keyence, Optical & Photoelectric Sensors

Keyence

Available:
1 pc.
In-Stock
Updated at: 08-09-2026
Offer from:
Trusted supplier — Poland, member since 2022, 1–4 employees
Warranty:
6 months
FS-N42P Keyence, Optical & Photoelectric Sensors

Keyence

Available:
2 pcs.
On Request
Updated at: 22-08-2026
Offer from:
Trusted supplier — Romania, member since 2023, 1–4 employees
FS-N42P Keyence, Optical & Photoelectric Sensors

Keyence

Available:
5 pcs.
In-Stock
Updated at: 10-09-2026
Offer from:
Trusted supplier — Poland, member since 2023, 50–99 employees
Warranty:
24 months

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Documents

Data Sheet

Datasheet for Keyence FS-N42P, 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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