In sourcing discussions, PR12-4AC is often placed next to Autonics Photoelectric Sensor, Contrinex Proximity Sensor and Autonics Tcn4 Series so procurement teams can align budgets and technical requirements effectively.
Autonics PR12-4AC Proximity Sensor
The Autonics PR12-4AC Proximity Sensor provides a 4mm sensing distance with Normally Closed output and a compact M12 sensing side diameter for precise industrial detection. Manufactured by Autonics, this proximity sensor under the PR Series ensures reliable operation with hysteresis max. 10 of sensing distance and a standard sensing target 12Γ12Γ1mm (iron). It operates on an AC 2-wire type 100β240VAC~ supply, supports up to 20Hz response frequency, and features durable IP67 protection for stable use in harsh industrial conditions.
| Brand | Autonics |
| Product Type | Proximity Sensor |
| Model Number | PR12-4AC |
Autonics PR12-4AC Proximity Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Sensing side diameter | M12 |
| Sensing distance | 4mm |
| Hysteresis(distance) | Max. 10% of sensing distance |
| Standard sensing target | 12Γ12Γ1mm(iron) |
| Current specification | Leakage current: Max. 2.5mA |
| Control output | Normally Closed |
| Wire type and power | AC 2-wire type100-240VAC~ |
| Installation | Non-flush |
| Cable Standard/material | Standard cable |
| Body length | Standard type |
| Insulation type | Double insulation or reinforced insulation(mark: @(INS), dielectric strength between the measuring input part and the power part: 1kV) |
| Residual voltage | Max. 10V |
| 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 | Brass(nickel plated) |
| Response frequency | 20Hz |
| Weight | Approx. 84g(approx. 66g) |
The Autonics PR12-4AC Proximity Sensor from the PR Series is a durable AC-operated inductive sensor designed for reliable metal object detection. It features a 4mm sensing range, Normally Closed output, and supports 100β240VAC operation through a 2-wire configuration. The nickel-plated brass body with IP67-rated protection ensures superior resistance to water, oil, and dust. With a 20Hz response frequency and reinforced insulation design, the Autonics PR12-4AC provides safety and stable performance for industrial automation, packaging, and machine control applications across India.
In industrial automation, the Autonics PR12-4AC is widely used in assembly systems, conveyor controls, and metal processing applications that rely on AC power circuits. Its 4mm sensing distance and IP67 sealing allow precise detection even in high-vibration, oily, or wet environments. The Normally Closed output configuration makes it ideal for safety interlocks or feedback monitoring circuits where continuity must be maintained until metal presence is detected. With a nickel-plated brass housing and reinforced insulation, the Autonics PR12-4AC Proximity Sensor delivers stable performance, reliability, and easy integration for OEMs, machine builders, and automation integrators across India.
The Autonics PR12-4AC is manufactured by Autonics Corporation, a globally recognized leader in industrial automation and sensing technologies. Backed by decades of engineering experience, Autonics ensures quality and consistency across its proximity sensor lineup. The PR Series is produced under stringent ISO and IEC standards, guaranteeing long-term durability, precise detection, and electrical safety. Known for their robust design and high accuracy, Autonics Proximity Sensors are trusted by engineers and system designers worldwide for reliable operation in automation and control systems. The PR12-4AC continues this legacy by delivering precision and stability in AC-powered detection applications.
Within the Autonics PR Series, the PR12-4AC is the AC Type, Normally Closed configuration designed for control systems requiring reverse logic output in AC circuits. For users needing a Normally Open output version with identical performance characteristics, the corresponding variant is the PR12-4AO. Both models share the same 4mm sensing range, 100β240VAC operation, and nickel-plated brass housing with IP67-rated protection. The PR12-4AC remains the preferred choice for Normally Closed signal requirements, providing engineers with flexible configuration options for diverse automation control systems in the PR Series.
The Autonics PR12-4AC Proximity Sensor offers accurate detection, IP67-rated durability, and stable AC-powered Normally Closed operation for industrial automation. With its 4mm sensing distance and reinforced insulation design, it ensures long-lasting, reliable performance in harsh conditions. Backed by Autonics Corporationβs global expertise and engineering excellence, the PR12-4AC continues to be trusted by automation professionals and OEMs across India for dependable proximity sensing and safety control applications.
Autonics PR12-4AC People Also Asked Questions
What is the sensing distance and power specification of the Autonics PR12-4AC Proximity Sensor?
The Autonics PR12-4AC Proximity Sensor provides a sensing distance of 4mm, making it ideal for medium-range metal detection in industrial environments. It operates on an AC 2-wire system (100β240VAC) and features a Normally Closed (NC) output, ensuring consistent and reliable operation in control circuits. The sensorβs non-flush design allows for a greater detection range compared to flush-mounted models, making it suitable for versatile applications.
How durable and safe is the Autonics PR12-4AC sensor for industrial use?
The Autonics PR12-4AC is built with nickel-plated brass housing, ensuring excellent mechanical strength and resistance to corrosion. It is equipped with double or reinforced insulation for enhanced electrical safety and includes a dielectric strength of 1kV between the measuring and power sections. With an IP67 protection rating, it provides full protection against dust and water exposure. The sensor operates reliably in ambient temperatures from -25Β°C to 70Β°C, ensuring stable performance even in harsh industrial environments.
Where is the Autonics PR12-4AC Proximity Sensor typically used?
The Autonics PR12-4AC is ideal for use in automated machinery, metal detection, conveyor systems, and industrial control panels. Its M12 cylindrical body and non-flush mounting type allow easy installation and reliable detection of metal objects at moderate distances. With a response frequency of 20Hz and low leakage current (Max. 2.5mA), it provides smooth, efficient, and accurate performance for AC-operated automation systems used across Indian industrial applications.
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