Inductive Proximity Sensor SN04 N NPN NO 4mm Sensing Distance 5 30V DC 300mA Output With SN Bracket Blue 2 Pack Heavy Duty Industrial Grade For Automation And Machinery

Inductive proximity sensor SN04-N with 4mm sensing distance
✔️ SN04-N inductive proximity sensor, 4mm, 5-30VDC, 300mA, 2-pack

This compact SN04-N inductive proximity switch detects ferrous metal objects without contact. It is built for heavy-duty automation and is commonly used on machine tools, conveyors, CNC setups, and DIY projects like 3D printers to trigger relays, counters, or control logic.

✅ Type: 3-wire NPN NO sensor
✅ Sensing distance: 4 mm
✅ Supply voltage: 5-30 V DC
✅ Output current: 300 mA
✅ Wiring: Brown to +, Blue to -, Black to load
✅ LED indicator: On when metal is detected (NO)
✅ Pack: 2-pack with SN bracket (blue)

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

In practical setups, these handy sensors detect metal targets without contact and drive signals for automated controls. - Handy for machine tools, conveyors, CNC machines, and robotic systems. - They provide fast response and rugged performance in industrial environments. - A 4mm sensing distance helps keep mounts compact in tight spaces.