Inductive Proximity Switch (3-Wire NPN NO):
This inductive proximity switch detects metal objects within a 4mm range and outputs a control signal. Ideal for use in machine tools, frequency counters, automatic control systems, and DIY 3D printers.

Specifications:

• Switch Type: 3-Wire NPN Normally Open (NO)
• Detecting Distance: 4mm
• Supply Voltage: 5-30VDC
• Current Output: 300mA

LED Working Indicator:

• Signal Indicator:
  • Light ON: When sensing a metal object (Normally Open)
  • Light OFF: In inactive state (Normally Closed)

Wiring Method:

• Brown: Connect to Positive (+)
• Blue: Connect to Negative (-)
• Black: Connect to Load (Signal Output)

Applications:

• Machine tools and automation systems
• Frequency counters and industrial equipment
• DIY projects, such as 3D printers and CNC machines

Package Includes:

• 4 Inductive Proximity Switches 
• 4 SN Brackets for easy mounting

This durable and versatile proximity switch offers reliable sensing for a wide range of applications, making it a great choice for both industrial use and personal projects.