Autonics PRL18 5AO Proximity Sensor
Autonics PRL18-5AO Inductive Proximity Sensor (M18, 5 mm, AC 2-Wire)
Industrial M18 cylindrical inductive proximity sensor with 5 mm sensing distance.
Designed for reliable metal detection in harsh industrial environments with IP67 protection.
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The Autonics PRL18-5AO is a cylindrical inductive proximity sensor from the proven PR Series, offering 5 mm sensing distance in an M18 threaded metal body. It is designed for non-contact detection of metallic objects in automation systems, providing stable operation, long service life, and IP67 environmental protection.
Key Features
M18 cylindrical inductive proximity sensor
Sensing distance: 5 mm (standard iron target)
AC 2-wire output type
Wide operating voltage: 100–240 VAC
Red LED operation indicator
Nickel-plated brass housing for durability
IP67 protection (dust & water resistant)
Built-in surge protection circuit
High noise immunity with dedicated IC
Suitable replacement for limit & micro switches
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | PRL18-5AO |
| Series | PR Series |
| Sensor Type | Inductive Proximity Sensor |
| Body Size | M18 × 1 |
| Sensing Distance | 5 mm |
| Output Type | AC 2-wire |
| Operating Voltage | 100–240 VAC (85–264 VAC) |
| Leakage Current | Max. 2.5 mA |
| Response Frequency | 20 Hz |
| Standard Target | 18 × 18 × 1 mm (iron) |
| Indicator | Red LED |
| Protection Rating | IP67 |
| Operating Temperature | −25 to +70 °C |
| Housing Material | Nickel-plated brass |
Applications
Industrial automation machinery
Conveyor systems
Packaging machines
Metal detection & positioning
Assembly lines
Machine tools & OEM equipment
What’s in the Box?
PRL18-5AO Proximity Sensor
Fixing nuts & washers
Instruction leaflet
FAQ
Q1. What is the sensing distance of PRL18-5AO?
The sensing distance is 5 mm for standard iron targets.
Q2. Is this sensor AC or DC operated?
This model is an AC 2-wire proximity sensor.
Q3. Does it work with stainless steel targets?
Yes, but sensing distance reduces depending on material type.
Q4. Is it suitable for outdoor or wet environments?
Yes, it has IP67 protection.
Q5. Can it replace mechanical limit switches?
Yes, it is commonly used as a non-contact replacement for limit switches.