If youβre not fully sure about PRT18-5DO, taking a closer look at Autonics Photoelectric Sensor, Contrinex Proximity Sensor and Autonics Prd12 4Dp often helps compare reliability, cost, and availability.
Autonics PRT18-5DO M18 Normally Open Proximity Sensor
PRT18-5DO is an Autonics M18 normally open proximity sensor with 5mm sensing distance for industrial automation applications across industries. Manufactured by Autonics, this sensor operates on DC 2-wire 12β24VDC, supports flush installation, provides IP67 protection, 500Hz response frequency, and belongs to Autonics Proximity Sensors within the PR Series.

| Brand | Autonics |
| Product Type | Proximity Sensor |
| Model Number | PRT18-5DO |
Autonics PRT18-5DO M18 Normally Open Proximity Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Sensing side diameter | M18 |
| Sensing distance | 5mm |
| Hysteresis(distance) | Max. 10% of sensing distance |
| Standard sensing target | 18Γ18Γ1mm(iron) |
| Current specification | Leakage current: Max. 0.6mA |
| Control output | Normally Open |
| Wire type and power | DC 2-wire type 12-24VDC |
| Installation | 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 | 500Hz |
| Weight | Approx. 122g(approx. 110g) |
PRT18-5DO Autonics M18 Normally Open Proximity Sensor is a defined inductive sensing device used in industrial automation systems. This Autonics M18 Normally Open Proximity Sensor provides 5mm sensing distance, M18 sensing side diameter, normally open output, and DC 2-wire 12β24VDC supply. The PRT18-5DO model belongs to the PR Series and is applied in industrial automation environments across India.
The PRT18-5DO Autonics M18 Normally Open Proximity Sensor is commonly used in conveyors, packaging machines, assembly lines, and automation panels. Flush mounting allows clean installation on metal surfaces, while the normally open output supports clear switching signals in control circuits. Its defined response frequency enables stable detection in repetitive and continuous machine operations.
PRT18-5DO Autonics M18 Normally Open Proximity Sensor delivers reliable proximity detection based on specified electrical and mechanical characteristics. With standard body length, IEC-standard IP67 protection, and 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.




