ACS712 30A Range Current Sensor Module
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Sensors, Modules & Shields
SN04-N Inductive Proximity Sensor Switch
Availability:
50+ in stock
Compact and reliable inductive proximity sensor designed for non-contact metal detection. The SN04-N offers a 4 mm sensing range, NPN Normally Open (NO) output, and wide 6–36 V DC operating voltage, making it ideal for CNC machines, robotics, automation, and DIY electronics projects.
₵65.00
50+ in stock
The SN04-N Inductive Proximity Sensor is a durable and cost-effective solution for detecting metal objects without physical contact. It features an NPN Normally Open transistor output, allowing it to directly interface with Arduino, microcontrollers, relays, and PLC inputs.
Its 4 mm sensing distance, built-in red LED indicator, and 6–36 V DC input range ensure stable and versatile operation in a variety of environments. The rugged ABS plastic housing and IP65 protection rating make it suitable for industrial and educational use alike.
Whether you’re building a CNC limit switch, robot arm, automatic door, or object counter, the SN04-N delivers fast response, reliable detection, and easy installation.
Technical Specifications
| Parameter | Details |
|---|---|
| Model | SN04-N |
| Sensor Type | Inductive Proximity Sensor |
| Sensing Distance | 4 mm (target: iron) |
| Sensing Object | Metallic objects only |
| Output Type | NPN, Normally Open (NO) |
| Operating Voltage | DC 6 – 36 V |
| Maximum Output Current | 300 mA |
| Response Frequency | ~500 Hz |
| Output Indication | Red LED indicator |
| Body Material | ABS Plastic (Rectangular type) |
| Cable Length | Approx. 1 m (3-wire) |
| Wiring | Brown → V+, Blue → GND, Black → Signal Output |
| Operating Temperature | −25 °C ~ +70 °C |
| Protection Features | Short-circuit, overload, reverse-polarity protection |
| Mounting Type | Side-mount with fixing holes |
| Dimensions | 18 × 18 × 36 mm (approx.) |
| Net Weight | ~40 g |
Applications
-
CNC machine limit and homing switches
-
Metal detection and positioning systems
-
Conveyor automation and counting
-
Robotics and smart machinery
-
DIY industrial projects and maker systems
Package Includes
-
1 × SN04-N Inductive Proximity Sensor (NPN NO, DC 6 – 36 V, 4 mm)
-
1 × Wiring and installation guide
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