Autonics CR18-8AC Cylindrical Capacitive Proximity Sensors
The Autonics CR18-8AC cylindrical capacitive proximity sensor provides 8mm sensing distance with Normally Closed output for industrial automation applications. Manufactured by Autonics, this Autonics Cylindrical Capacitive Proximity Sensors model supports AC 100–240V operation, max 2.2mA leakage current, M18 sensing side diameter, IP66 protection, 20Hz response frequency, and a 50×50×1mm iron target. It is part of the Autonics Proximity Sensors portfolio under the CR Series used across Indian industrial automation systems.

| Brand | Autonics |
| Product Type | Proximity Sensor |
| Model Number | CR18-8AC |
Autonics CR18-8AC Cylindrical Capacitive Proximity Sensors – Technical Specifications
| Specification | Value |
|---|---|
| Sensing side diameter | M18 |
| Sensing distance | 8mm |
| Hysteresis(distance) | Max. 20% of sensing distance |
| Standard sensing target | 50×50×1mm(iron) |
| Current specification | Leakage current: Max. 2.2mA |
| Control output | Normally Closed |
| Wire type and power | AC 2-wire type100-240VAC~ |
| Environment_Ambient temperature | -25 to 70℃, storage: -30 to 80℃ |
| Environment_Ambient humidity | 35 to 95% RH, storage: 35 to 95% RH |
| Protection structure | IP66 |
| Material | Polyamide 6 |
| Response frequency | 20Hz |
| Weight | ≈ 70g (≈ 82g) |
The Autonics CR18-8AC Cylindrical Capacitive Proximity Sensors unit is a defined industrial automation sensing device designed for non-contact object detection. This CR18-8AC proximity sensor offers a 8mm sensing distance, operates on AC 100–240V, and provides a Normally Closed output with IP66 protection. As part of the CR Series, it integrates into structured industrial automation environments requiring stable capacitive sensing performance.
In industrial automation systems, the CR18-8AC Autonics Cylindrical Capacitive Proximity Sensors model is applied in conveyors, packaging equipment, automated assembly lines, and material handling systems. Its cylindrical M18 form factor supports consistent mounting, while controlled hysteresis helps maintain reliable detection. The defined response frequency and leakage current allow predictable behavior in AC-powered control circuits.
The CR18-8AC proximity sensor from Autonics confirms dependable sensing through defined electrical limits and environmental protection. Its sensing distance, output configuration, and protection structure support continuous industrial use. Positioned within the CR Series, this Autonics proximity sensor meets technical expectations for engineers and industrial buyers seeking consistent capacitive proximity sensing in automation applications.




