During technical comparisons, PRT18-8DC appears alongside Autonics Photoelectric Sensor, Contrinex Proximity Sensor and Autonics Prd12 4Dp so engineers assess signal types, ingress protection, and ambient tolerances accurately.
Autonics PRT18-8DC Proximity Sensor
PRT18-8DC is an Autonics M18 Normally Closed Proximity Sensor with 8mm sensing distance for industrial automation applications in factories. Manufactured by Autonics, this sensor operates on DC 2-wire 12β24VDC, supports non-flush installation, provides IP67 protection, 350Hz response frequency, and is part of Autonics Proximity Sensors within the PR Series.

| Brand | Autonics |
| Product Type | Proximity Sensor |
| Model Number | PRT18-8DC |
Autonics PRT18-8DC Proximity Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Sensing side diameter | M18 |
| Sensing distance | 8mm |
| Hysteresis(distance) | Max. 10% of sensing distance |
| Standard sensing target | 25Γ25Γ1mm(iron) |
| Current specification | Leakage current: Max. 0.6mA |
| Control output | Normally Closed |
| Wire type and power | DC 2-wire type 12-24VDC |
| Installation | Non-flush |
| Cable Standard/material | Standard cable |
| Body length | Standard type |
| Residual voltage | Max. 3.5V |
| Environment_Ambient temperature | -25 to 70β, storage: -30 to 80β |
| Environment_Ambient humidity | 35 to 95% RH, storage: 35 to 95% RH |
| Protection structure | IP67(IEC standard) |
| Material | Case/Nut: Nikel plated Brass, (connector case of DIA. of sensing side Γ 8 mm: SUS303),washer: Nikel plated Iron, sensing side: polybutylene terephthalate,standard cable (black): polyvinyl chloride (PVC),oil resistant cable (gray): oil resistant polyvinyl chloride (PVC) |
| Response frequency | 350Hz |
| Weight | Approx. 122g(approx. 110g) |
PRT18-8DC Autonics M18 Normally Closed Proximity Sensor is a defined inductive sensing device used in industrial automation systems. This Autonics M18 Normally Closed Proximity Sensor offers 8mm sensing distance, M18 sensing side diameter, normally closed output, and DC 2-wire 12β24VDC supply. The PRT18-8DC model belongs to the PR Series and is applied across industrial automation environments in India.
The PRT18-8DC Autonics M18 Normally Closed Proximity Sensor is commonly used in conveyors, packaging machines, automated assembly lines, and control panels. Non-flush mounting allows stable installation in metal-surrounded areas, while the normally closed output supports safe signal behavior in monitoring circuits. Its defined response frequency enables consistent detection during continuous and repetitive machine operations.
PRT18-8DC Autonics M18 Normally Closed Proximity Sensor delivers reliable proximity detection based on specified electrical and mechanical characteristics. With standard body length, IEC-standard IP67 protection, and non-flush installation design, it is suitable for demanding industrial conditions. Supported by Autonics manufacturing standards and PR Series consistency, this sensor remains dependable for long-term industrial automation use.




