📌 Overview
The KS-CM12-3004NA is a compact capacitive (proximity) sensor with a 12 mm (M12) cylindrical housing. It provides non-contact detection up to ~4 mm, and uses an NPN, Normally-Open (NO) output, with a three-wire connection — making it suitable for automation, object detection, material sensing and control circuits.
🔧 Technical Specifications
| Parameter | Specification |
|---|---|
| Model / Part No. | KS-CM12-3004NA (CM12-3004NA) |
| Sensor Type | Capacitive / Proximity Sensor |
| Housing / Body | Cylindrical M12 metal housing |
| Sensing / Detection Distance | 0 – 4 mm (approx.) |
| Output Type | NPN, Normally Open (NO) — 3-wire output |
| Supply Voltage | ~ 10–30 V DC (commonly used in 6–36 V DC sensor circuits) |
| Maximum Load / Output Current | ~ 200 mA |
| Connection / Wiring | Pre-wired with ~1.5 m cable (3-wire) |
| Operating Temperature Range | –25 °C to +70 °C |
| Protection / IP Rating | IP54 (some datasheets show IP54 minimal; in similar M12 capacitive sensors) |
| Body Material | Metal cylinder (typically nickel-plated / brass or similar industrial metal) |
✅ Typical Features & Benefits
- Non-contact detection — suitable for metal and dielectric (non-metal) objects (since it’s capacitive).
- Compact M12 cylindrical form factor — easy to mount in tight or standard industrial fixtures.
- Reliable NPN NO output — straightforward to interface with PLCs, controllers, or relay/logic circuits.
- Stable operation over a wide supply voltage range (10–30 V DC) and temperature range, making it suitable for industrial and factory automation.
- Decent output current capacity (~200 mA) — enough to drive typical digital inputs or small loads.
- Pre-wired cable simplifies installation without needing special connectors.
📦 Typical Applications
- Object detection on conveyor belts (metal or dielectric items)
- Material presence detection (plastic, wood, glass, liquid, etc.) where capacitive sensing is needed
- Level sensing (e.g. presence/absence of material in a container)
- Automation / industrial control tasks (machine start/stop triggers, part counting)
- Robotics — detecting proximity or presence of parts/components irrespective of material (metal or non-metal)
- Quality control / sorting — detection of objects with different material types
⚠️ Limitations / What to Check
- Sensor range limited to ~4 mm — requires relatively close approach of the target for reliable detection.
- Because it is capacitive, detection sensitivity depends on the material type, size, thickness and dielectric properties of the target — small or thin objects may be harder to detect.
- The IP rating is modest (IP54) — may require additional protection if used in very dusty, wet or harsh environments.
- Output current limit (~200 mA) — for heavier loads or long wiring may need buffer / relay.
✅ Summary
KS-CM12-3004NA is a compact, reliable, versatile capacitive proximity sensor — great for detecting a variety of materials (metal, plastic, glass, etc.) in automation, industrial control, material handling, robotics and object-detection applications. It combines a small footprint (M12 size), decent output current capacity, and simple wiring, making it easy to integrate into machines or control systems.
There are no reviews yet.