Generic PIR Motion Sensor Switch | Automatic On/Off | Energy Saving | Wide Angle Detection
₹149.00₹250.00 (price_including_tax) (-40%)
Automate your environment with intelligent motion detection. Reduce power consumption by activating devices only when needed, ideal for smart homes and industrial settings. Engineered for dependable operation and seamless integration into existing systems.
This PIR motion sensor switch provides reliable, automated lighting control, optimizing energy efficiency across diverse applications.
Automatically powers devices based on presence, ensuring zero energy wastage in unoccupied spaces.
Utilizes advanced PIR technology for reliable and consistent human movement sensing capabilities.
Designed for straightforward connection, making it an ideal upgrade for various automation projects.
The Engineering Behind PIR-Motion-Switch
The PIR Motion Sensor Switch, often leveraging a passive infrared (PIR) element coupled with a sophisticated control circuit (such as a BISS0001 or similar low-power op-amp solution), detects changes in infrared radiation emitted by moving objects, primarily humans. This detection triggers a solid-state or relay output, automating the ‘on’ or ‘off’ state of connected electrical loads. Its core functionality revolves around the pyroelectric sensor’s ability to respond to varying thermal signatures within its detection field, making it a robust solution for presence detection without emitting any radiation itself.
Constructed with durable ABS or PVC housing for indoor and semi-outdoor applications, this module prioritizes both functionality and longevity. High-grade components ensure stable performance across various operating conditions, making it suitable for both educational DIY projects and light industrial automation where reliable occupancy sensing is paramount.
High-Sensitivity Pyroelectric Sensing
At its core, the PIR-Motion-Switch utilizes a highly sensitive pyroelectric sensor, capable of accurately distinguishing the subtle thermal radiation changes caused by human movement. This engineering choice ensures rapid and precise detection, minimizing false positives while maximizing responsiveness for critical applications like security lighting or automated access control.
Adjustable Delay & Lux Control
Many advanced PIR switch designs incorporate user-adjustable potentiometers for both delay time and ambient light sensitivity (Lux control). This allows engineers and system integrators to fine-tune the switch’s behavior, ensuring it only activates when motion is detected during low light conditions and remains active for a specified duration, thereby preventing unnecessary power consumption and optimizing its utility for specific environmental needs.
Optimized for Performance & Integration
- Sensor Type: Pyroelectric Infrared (PIR)
- Detection Angle: Typically 110-140 degrees cone
- Output Type: Digital (High/Low) or Relay Control
- Operating Temperature: -20°C to +50°C
- Mounting: Panel mount or surface mount options
- Power Consumption: Low-power standby mode
Features & Benefits
- Automatic On/Off: Effortlessly controls connected devices based on human presence, reducing manual intervention.
- Energy Saving Technology: Activates power only when needed, significantly cutting electricity costs and environmental impact.
- Wide Detection Angle: Covers a broad area, ensuring reliable motion sensing in larger rooms or corridors.
- Adjustable Delay Time: Customize how long devices remain active after motion cessation, suiting various application requirements.
- Ambient Light Sensor: Prevents activation during daylight hours, optimizing energy use and operational logic.
- Easy Integration: Simple 2-wire or 3-wire connection for quick setup with existing lighting or control systems.
Pro-Grade Advantages
- Exceptional energy efficiency through automated control, minimizing operational costs.
- Reliable passive infrared detection, unaffected by ambient light when properly calibrated.
- Simple installation process, integrating seamlessly into most low-voltage DC or AC systems.
- Increases security and convenience by providing hands-free operation for lighting or alarms.
Technical Considerations
- Can be triggered by sudden temperature changes or non-human heat sources, requiring careful placement.
- Limited range and line-of-sight dependency, potentially unsuitable for very large or obstructed areas.
What is a PIR motion sensor switch and how does it function?
A PIR (Passive Infrared) motion sensor switch detects changes in infrared radiation within its field of view, typically caused by the movement of warm bodies like humans. When such a change is detected, it triggers an internal relay or solid-state switch to activate or deactivate a connected electrical load, such as lights or fans, thereby automating power control.
What are the typical applications for this type of power saver switch?
Common applications include automated lighting in corridors, bathrooms, stairwells, and utility rooms in residential, commercial, and industrial settings. It is also utilized in security systems, access control, and energy-saving solutions for HVAC systems by detecting room occupancy.
Can the detection range and delay time be adjusted on this PIR switch?
Many PIR motion sensor switches, especially those designed for versatile applications, offer adjustable potentiometers for both detection range (sensitivity) and delay time. This allows users to fine-tune how far the sensor detects motion and how long the connected device remains active after the last motion is detected.
What kind of load can a generic PIR motion sensor switch typically handle?
The load capacity varies significantly by model, but generic small-form-factor PIR switches typically handle loads from 1A to 5A at their rated voltage, often supporting LED lighting, small fans, or low-power security devices. It is crucial to check the specific product’s maximum load specifications to prevent overload.
Is this PIR switch suitable for outdoor use?
While some PIR switches are specifically designed and rated for outdoor use with IP (Ingress Protection) ratings, generic modules are typically intended for indoor or protected semi-outdoor environments. Exposure to direct weather elements without proper enclosure can lead to damage or malfunction.
| Specification | Value |
|---|---|
| Input Voltage | DC 5V – 24V |
| Output Voltage | Equals Input Voltage |
| Max Load Current | 3A (Resistive Load) |
| Static Current | < 50μA |
| Detection Angle | 120 degrees |
| Detection Distance | 3-7 meters (adjustable) |
| Delay Time | 5s – 8mins (adjustable) |
| Working Temperature | -20°C to +50°C |
| Trigger Mode | L (retriggerable) / H (non-retriggerable) |
| Light Sensor | Photoresistor for Lux control (optional/adjustable) |
Additional information
| Brand | Generic |
|---|---|
| Sensor Type | PIR Motion |
| Operating Voltage | 5V – 24V DC |
| Detection Range | 3-7 meters |
| Control Interface | Digital Output / Relay |
| Load Capacity | Up to 3A |
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