Inductive Proximity Sensor SN04 N2 NPN NC Normally Closed Switch With 4mm Range And SN Bracket Blue 4 Pack Ideal For Industrial Automation And DIY Projects

4-Pack SN04-N2 Inductive Proximity Sensor with 4mm Range
✔️ 6-30VDC, NPN NC, 4mm sensing, 300mA, 4 pcs brackets

These blue SN04-N2 inductive proximity switches detect metal targets within 4 mm and are widely used in automation, machine tools, DIY projects, and 3D printers. Each unit features a 3-wire NPN NC configuration with a 6-30VDC supply and a 300mA output. The kit includes four switches and four SN brackets for easy mounting.

✅ 4-pack SN04-N2 inductive proximity switches, NPN NC, 4mm sensing distance
✅ 6-30VDC supply, 300mA output, LED indicator for sensing
✅ Wiring: Brown to +, Blue to -, Black to load (signal output)
✅ Includes SN brackets for quick mounting

💡 What is an inductive proximity sensor used for in automation and DIY projects?

A handy metal-detection switch used to trigger controllers without contact.

1) Handy for machine tools, CNC, 3D printers, and conveyors 2) Provides clean, reliable switch signals to PLCs and microcontrollers 3) Compatible with 6-30VDC and NPN NC outputs for easy wiring 4) Compact, bracket-mountable design for quick installations