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AU-X20
Smart, Energy Saving Detection for your spaces






AU-X20
The AutronX AU-X20 is an advanced ceiling-mounted PIR motion sensor designed to provide precise and energy-efficient motion detection for indoor environments. Using infrared energy emitted from human bodies, the sensor instantly triggers connected loads upon motion detection within its range.
Built on integrated circuit technology, the AU-X20 supports smart features such as ambient light detection, adjustable time delay, and real-time sensitivity adjustments. Its robust performance, combined with ease of installation, makes it ideal for use in conference halls, hotel lobbies, cabins, and manufacturing areas.
This energy-saving switch enhances convenience and safety by automatically switching loads based on movement and light conditions, helping to reduce electricity wastage in both residential and commercial setups.

Wide Detection Coverage
Covers a full 360° area with a maximum sensing distance of 20 m, ideal for large ceiling-mounted installations.

Day/Night Detection Control
Adjustable LUX range (3–2000 LUX) enables automatic lighting based on ambient brightness.

Flexible Timer Control
User-adjustable time delay from 10 sec to 30 min ensures adaptable energy-saving automation.
Technical Specifications
Model | AU-X20 |
---|---|
Power Source | 220–240V AC, 50Hz |
Detection Range | 360° |
Detection Distance | Up to 20 m (≤24 °C) |
Ambient Light | <3–2000 LUX (Adjustable) |
Rated Load | 2000 W (Incandescent), 1000 W (LED) |
Time Delay | 10 sec ± 3 sec to 30 min ± 2 min |
Installation Height | Ceiling: 2–6 m |
Power Consumption | Approx. 0.9 W |
Working Temperature | −20 °C to +40 °C |
Working Humidity | <93% RH |
No. of Wires | 4 Wires |
Detection Motion Speed | 0.6–1.5 m/s |
Key Functional Modes

Day/Night Sensitivity Mode
Automatically adjusts detection based on ambient light- Works in full light (sun symbol) or dark (3 LUX minimum)
- Ideal for day/night auto-switching
- Adjustable via LUX dial

Auto Time Delay Mode
Sets how long the light remains on after no motion is detected
- Time adjustable between 10 seconds to 30 minutes
- Resets timer if motion is re-detected during delay
- Reduces energy consumption

Continuous Induction Reset
Ensures seamless operation during frequent movement
- Timer resets with every new motion detection
- Prevents premature light turn-off
- Suitable for high-traffic areas
Installation Guide
- Do not install near reflective surfaces like mirrors.
- Avoid placement near heat sources, vents, or moving objects like curtains.
- Remove the cover to access internal wiring.
- Connect wires according to the wiring diagram.
- Secure the sensor to the ceiling using screws.
- Reinstall the cover and perform testing procedures.
Troubleshooting & FAQs
1
Why is the light not turning on during the day?Ensure the LUX setting is turned to the "sun" position to allow operation in bright conditions.
2
The sensor doesn’t detect movement. What should I do?Check if the sensor is mounted securely and correctly aimed. Remove obstructions near the detection zone.
3
The light stays on continuously. What’s the reason?Continuous movement in the detection zone could be triggering the sensor. Verify the detection zone is not too wide or disturbed by unintended motion.
4
The load remains off even when motion is present.Confirm the main switch is ON and check the LUX and time settings. Warm-up may also take 30 seconds after power-on.
5
Can I adjust how long the light stays on?Yes, use the TIME knob to set delay between 10 seconds and 30 minutes based on your needs.