SN04-N Inductive Proximity Sensor Normally Open Sensing Focus Switch NPN NO with Support TL PL SN (Blue, 4 Pack)

4.5 · 34 reviews

Listed on Amazon UAE

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$68

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About this item

This is a 4-pack of SN04-N inductive proximity sensors, small blue ABS-bodied switches built to sense nearby metal objects without touching them. Each one is NPN, normally open, with a 4mm sensing range, 5-30VDC input, 300mA output, and a 1.2m 3-wire cable (coffee/black/blue). They respond in 2ms and come with an LED indicator that lights up on detection, making them a solid pick for machine tool setups, automation control panels, or 3D printer projects. The set ships with 4 sensors and 4 SN brackets for mounting.

SN04-N inductive proximity sensor, NPN NO, 3-wire (coffee/black/blue), detects metal or iron from up to 4mm away
Runs on 5-30VDC, 300mA output, with a built-in LED that lights up when it senses metal
ABS housing, 18 x 18 x 36mm, 1.2m cable, 2ms response time, about 50g each
Wiring: coffee wire to positive, blue to negative, black carries the signal output
Good for CNC machines, automation lines, frequency counters, or DIY 3D printer setups
Pack includes 4 SN04-N sensors and 4 matching SN mounting brackets

Specifications

ASIN: B0CLVBGT5P
Item Weight: ‎181 g
Customer Reviews: 4.5 4.5 out of 5 stars (34) 4.5 out of 5 stars
Package Dimensions: ‎17.3 x 13.31 x 3.1 cm; 181 g
Date First Available: 10 February 2026
Manufacturer reference: ‎HZ035