During technical comparisons, PSN40-20DP appears alongside Autonics Photoelectric Sensor, Contrinex Proximity Sensor and Autonics Tcn4 Series so engineers assess signal types, ingress protection, and ambient tolerances accurately.
Autonics PSN40-20DP Proximity Sensor
The Autonics PSN40-20DP Proximity Sensor features a DC 3-wire type 12β24VDC configuration, offering a 20mm sensing distance and durable 40mm frame size for accurate and stable detection. Manufactured by Autonics, it includes a standard sensing target of 60Γ60Γ1mm (iron) and PNP Normally Open control output designed for reliable automation performance. Available under Autonics Proximity Sensors, this model ensures IP67 protection structure, maximum 10% hysteresis, and a robust design weighing approximately 135g. Part of the Autonics PS Series, it delivers dependable sensing for industrial equipment.
| Brand | Autonics |
| Product Type | Proximity Sensors |
| Model Number | PSN40-20DP |
Autonics PSN40-20DP Proximity Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Wire type and power | DC 3-wire type 12-24VDC |
| Sensing side size | Frame size 40mm |
| Sensing distance | 20mm |
| Standard sensing target | 60Γ60Γ1mm(iron) |
| Response frequency | 100Hz |
| Current specification | Current consumption: Max. 10mA |
| Control output | PNP Normally Open |
| Sensing type | Standard type(front sensing type) |
| Material | Heat-resistant ABS |
| Protection structure | IP67 |
| Environment_Ambient temperature | -25 to 70β, storage: -30 to 80β |
| Environment_Ambient humidity | 35 to 95% RH, storage: 35 to 95% RH |
| Hysteresis(distance) | Max. 10% of sensing distance |
| Weight | β 135g (β225g) |
Autonics engineered the PSN40-20DP Rectangular Inductive Proximity Sensor with a 40mm frame size and a 20mm sensing distance, optimized for detecting 60Γ60Γ1mm iron targets. Operating on a DC 3-wire 12β24VDC supply, it provides a PNP Normally Open output for seamless connection to PLCs and control panels. With a 100Hz response frequency, low current consumption under 10mA, and residual voltage below 1.5V, this model ensures fast and energy-efficient switching. Built from heat-resistant ABS and certified with IP67 protection, the sensor withstands oil, dust, and water in tough industrial sites. Lightweight at 135g yet rugged, the PSN40-20DP maintains stable performance in ambient temperatures from β25β to 70β, offering long service life in automation environments where precision and durability are essential.
The Autonics PSN40-20DP Proximity Sensor is commonly used in conveyor lines, packaging units, and safety interlocks where reliable 20mm detection is needed. Maintenance teams choose it for its quick mounting and stable outputs, while system integrators benefit from its rectangular design and front-sensing feature in panel assemblies. In education and training labs, students use this model to learn about PNP logic and non-contact sensing. By providing consistent results in dusty, oily, and high-humidity conditions, the PSN40-20DP improves factory uptime and strengthens automation reliability.
The Autonics Proximity Sensors range includes high-performance models such as the PSN40-20DP, designed for heavy-duty industrial detection. Often referenced as PSN40 or 20DP, this Rectangular Inductive Proximity Sensor is trusted by wholesalers, dealers, and distributors for stable sensing and easy integration. With proven accuracy and robust construction, the PSN40-20DP remains a preferred solution for engineers seeking reliable detection in modern automation systems.
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