Autonics PRT12-4DC M12 Normally Closed Proximity Sensor
PRT12-4DC is an Autonics M12 normally closed proximity sensor with 4mm sensing distance for industrial automation use applications today. Manufactured by Autonics, this sensor operates on DC 2-wire 12–24VDC, supports non-flush installation, offers IP67 protection, 500Hz response frequency, and is part of Autonics Proximity Sensors within the PR Series.
| Brand | Autonics |
| Product Type | Proximity Sensor |
| Model Number | PRT12-4DC |
Autonics PRT12-4DC M12 Normally Closed Proximity Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Sensing side diameter | M12 |
| Sensing distance | 4mm |
| Hysteresis(distance) | Max. 10% of sensing distance |
| Standard sensing target | 12×12×1mm(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 70℃, storage: -30 to 80℃ |
| 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 Ø 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. 84g(approx. 72g) |
PRT12-4DC Autonics M12 Normally Closed Proximity Sensor is a compact inductive sensing device designed for industrial automation systems. This Autonics M12 Normally Closed Proximity Sensor provides 4mm sensing distance, M12 sensing side diameter, normally closed output, and DC 2-wire 12–24VDC supply. The PRT12-4DC model belongs to the PR Series and is used across standard industrial automation installations.
The PRT12-4DC Autonics M12 Normally Closed Proximity Sensor is applied in conveyors, packaging machinery, automated assembly lines, and control panels. Non-flush installation allows reliable detection in metal-surrounded environments, while the normally closed output supports fail-safe monitoring circuits. Its defined response frequency ensures stable operation during repetitive and continuous automation processes.
PRT12-4DC Autonics M12 Normally Closed Proximity Sensor delivers dependable proximity detection based on specified electrical and mechanical parameters. With standard body length, IEC-compliant IP67 protection, and non-flush mounting design, it is suitable for demanding industrial conditions. Supported by Autonics manufacturing standards and PR Series consistency, this sensor remains reliable for long-term industrial automation use.
