KEYENCE FS-N42N FS-N43P FS-N44N NPN Expansion Unit for Digital Fiber Optic Sensor
Product Introduction
The KEYENCE FS-N42N FS-N43P FS-N44N NPN Expansion Unit for Digital Fiber Optic Sensor is a high-precision industrial sensor from Keyence, engineered for reliable detection and measurement in automated production environments. Featuring advanced sensing technology with high-speed response and excellent environmental resistance.
Ideal for presence detection, positioning, counting, and quality inspection in manufacturing lines, packaging machinery, and assembly systems. Built with industrial-grade housing and CE certification for long-term reliability in demanding factory conditions.
Product Images


Product Parameters
| No. | Parameter | Specification |
|---|---|---|
| 1 | Sensing Method | Photoelectric / Laser / Fiber Optic |
| 2 | Response Time | High-Speed (typically <1ms) |
| 3 | Output Type | NPN / PNP / Analog Output |
| 4 | Operating Voltage | 12-24 VDC |
| 5 | Protection Rating | IP67 / IP65 |
| 6 | Housing Material | ABS / Die-Cast Aluminum |
| 7 | Output Indication | Red/Green LED Indicator |
| 8 | Mounting Type | Bracket / DIN Rail |
| 9 | Operating Temperature | -10°C to +55°C |
| 10 | Certification | CE / UL / RoHS |
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FAQ
Q1: What warranty do you offer for Keyence products?
A: We provide a 1-year warranty on all Keyence products. Any manufacturing defects will be repaired or replaced free of charge within the warranty period.
Q2: Can you help match compatible products?
A: Yes! We offer a comprehensive range of Keyence sensors, PLCs, vision systems, barcode readers, and accessories. Our technical team can help you find compatible products for your specific application requirements.
Q3: How fast is customer service response?
A: Our professional sales team provides rapid response within 2 hours during business hours. We offer 24/7 online technical support.
Q4: What is your shipping time?
A: We ship within 7 working days after payment confirmation. Orders are dispatched via DHL, FedEx, UPS, TNT, or EMS for fast and secure worldwide delivery.
FS-N42N
,FS-N43P
,FS-N44N FS-N42N
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