SN04 N2 Inductive Proximity Sensor With Normally Closed Output Detects At 4mm In A 6 To 30V DC NPN 300mA Range Workhorse Built For Quick Mount With SN Bracket Blue 2 Pack For Easy Industrial Automation

SN04-N2 Inductive Proximity Sensor with NC Output, 4mm
✔️ 6-30V DC, NPN NC, 4mm sensing, blue, 2-pack with SN bracket

This blue SN04-N2 inductive proximity sensor is a compact, metal-detection switch designed for automation and machine tool setups. It uses a three-wire NPN NC configuration and is ideal for CNC, automation lines, and DIY projects such as 3D printers.

✅ Sensing distance: 4 mm (0.157 in)
✅ Output: 3-wire NPN, NC (normally closed)
✅ Supply voltage: 6-30 V DC
✅ Current rating: up to 300 mA
✅ Wiring: Brown to +, Blue to -, Black to Load

💡 What is an inductive proximity sensor used for in automation systems?

It's a handy, non-contact switch that detects metal targets and triggers controllers.

• handy for machine tools and automation lines
• short sensing distance around 4 mm for compact spaces
• 3-wire NPN NC output with 6-30 V DC supply
• easy mounting with SN brackets for quick installs