Inductive Proximity Switch SN04 NPN NO Sensor 4 Millimeter Sensing Distance 10 To 30 Volts DC 3 Wire 200 mA Output 500 Hz Red LED Indicator Built Tough For Industrial Automation
✔️ 3-wire NPN NO, 4mm sensing, 10-30V DC, 500 Hz output
These compact inductive proximity switches detect metal targets without contact, making them ideal for automation systems, conveyors, safety interlocks, and machine control panels. This SN04-N model is NPN NO with a 3-wire configuration, rated for 10 to 30 V DC, and comes in a rugged ABS resin housing with a long 135 cm cable for flexible mounting.
✅ Sensing distance: 4 mm (+/-10%)
✅ Output: NPN NO switching transducer, 3-wire
✅ Working voltage: 10-30 V DC
✅ Response frequency: up to 500 Hz
✅ Indicator: Red LED shows active state
✅ Size: 18 x 18 x 36 mm (0.7" x 0.7" x 1.4")
✅ Cable length: 135 cm (53 in)
✅ Package: 1 sensor, 2 screws
💡 What is a proximity switch used for in automation systems? Proximity switches are handy sensors that detect metal targets without contact, enabling automatic control decisions. - Handy for conveyor sensing - Great for PLC input signaling - Reduces wear by replacing mechanical switches - Works in tight spaces and rugged environments