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Photoelectric Switches

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₹1,120   ₹3,999
You save ₹2,879!
71.99% OFF
A BytBots Microwave/Radar 360 Degree PIR Motion Sensor, Occupancy Body Motion Detector (White) is a type of electronic device that detects infrared radiation emitted by objects within its field of view. PIR sensors are commonly used for motion detection in security systems, lighting control, and various other applications. They are known as "passive" sensors because they do not emit any energy themselves but instead detect the infrared radiation emitted by objects in their surroundings. Key Features of PIR Motion Sensors: Infrared Detection: PIR sensors detect infrared radiation emitted by warm objects, such as humans or animals. The sensor is sensitive to changes in temperature caused by movement. Passive Operation: PIR sensors are passive devices, meaning they don't emit any energy. They only sense infrared radiation emitted by objects in their field of view. Field of View: PIR sensors have a specific field of view or coverage area, and their detection range can be adjusted or customized based on the sensor's design. Sensitivity Adjustment: Many PIR sensors allow users to adjust sensitivity levels. This adjustment determines how much change in infrared radiation is required to trigger the sensor. Pyroelectric Material: PIR sensors often use pyroelectric materials, which generate an electric charge when exposed to a change in temperature. This charge is used to detect motion. Two or Three Sensor Design: PIR sensors may have two or three sensing elements arranged to detect motion in different directions. This helps enhance their accuracy and reliability. Time Delay Setting: PIR sensors typically include a time delay setting, allowing users to specify how long the connected device (e.g., light, alarm) remains activated after motion is detected. Light Sensing (Optional): Some PIR sensors include a light sensor to determine whether it's dark or light. This feature can be used to activate connected devices only when ambient light is below a certain level. Applications: PIR sensors are widely used in security systems, automatic lighting control, smart home devices, and energy-saving applications. How PIR Motion Sensors Work: Pyroelectric Material: PIR sensors contain a pyroelectric material, which generates an electric charge when it experiences a change in temperature. Infrared Radiation Detection: When a warm object, such as a person or animal, moves within the field of view of the sensor, the infrared radiation emitted by the object is detected by the pyroelectric material. Electric Charge Generation: The change in temperature causes the pyroelectric material to generate an electric charge, creating a voltage potential. Signal Processing: The generated electric charge is processed by the sensor's electronics, and if the change in infrared radiation corresponds to a significant motion event, the sensor triggers an output signal. Output Activation: The output signal from the PIR sensor is used to activate or trigger connected devices, such as turning on lights, sounding alarms, or initiating other actions in a security or automation system. Time Delay: PIR sensors often include a time delay setting, allowing users to specify how long the connected devices should remain active after motion is detected. PIR motion sensors are commonly used in a variety of applications where detecting the movement of people or objects is necessary. They are widely employed for security purposes in both residential and commercial settings, as well as in energy-saving systems to control lighting and heating based on occupancy.
₹1,651   ₹1,999
You save ₹348!
17.41% OFF
An BytBots WiFi Smart Sensor for Doors or Windows with Instant Alert for Home Security also known as a photoresistor sensor switch, is an electronic component that changes its resistance in response to changes in light levels. LDRs are commonly used in circuits to detect ambient light conditions and trigger actions based on the amount of light falling on the sensor. The switch function involves opening or closing a circuit based on the light intensity detected. Key Features of an LDR Sensor Switch: Light Sensitivity: LDRs are sensitive to light and exhibit a change in resistance based on the intensity of the light falling on them. They have higher resistance in the dark and lower resistance in bright light. Resistor Symbol: In circuit diagrams, an LDR is often represented using the symbol of a resistor with an arrow pointing toward it. The arrow indicates that the resistance decreases with increasing light. Circuit Integration: LDRs are commonly integrated into electronic circuits as part of a voltage divider arrangement. The voltage across the LDR changes with light intensity, affecting the overall voltage at a certain point in the circuit. Threshold Setting: LDR sensor switches can be configured with a threshold setting, meaning that they trigger a response (switching on or off) when the ambient light level crosses a predefined threshold. Switching Action: Based on the circuit design, an LDR sensor switch can be configured for either normally open (NO) or normally closed (NC) operation. In a normally open switch, it closes the circuit when a certain light level is reached, while in a normally closed switch, it opens the circuit under similar conditions. Applications: LDR sensor switches find applications in various fields, including automatic streetlights, security systems, outdoor lighting control, and energy-saving devices. Energy Efficiency: The use of LDR sensor switches contributes to energy efficiency by automating lighting systems. Lights can be turned on or off based on natural light levels, reducing unnecessary energy consumption. How LDR Sensor Switches Work: Voltage Divider Circuit: LDRs are often connected in a voltage divider circuit with a fixed resistor. The voltage across the LDR changes with the amount of light falling on it, affecting the voltage at the junction of the LDR and the fixed resistor. Microcontroller or Comparator: The voltage at the junction is typically connected to a microcontroller or a comparator circuit. The microcontroller or comparator compares the voltage with a reference level or threshold. Threshold Detection: When the light level exceeds the preset threshold, the microcontroller or comparator triggers an action, such as activating a relay to control a load (e.g., turning on lights) or sending a signal to a larger control system. Switching Action: The switching action (opening or closing of a circuit) is determined by the design of the circuit and the application requirements. Adjustable Sensitivity: Some LDR sensor switches allow for adjustable sensitivity settings, enabling users to fine-tune the response based on the specific lighting conditions of the environment. LDR sensor switches play a crucial role in creating energy-efficient and automated systems, especially in applications where controlling lighting based on ambient light levels is desirable. They offer a practical solution for achieving smart and responsive lighting in various settings.
₹282   ₹999
You save ₹717!
71.77% OFF
An BytBots Waterproof 220 V 6 amp Auto Day/Night on and Off Photocell LDR Sensor Switch for Lighting also known as a photoresistor sensor switch, is an electronic component that changes its resistance in response to changes in light levels. LDRs are commonly used in circuits to detect ambient light conditions and trigger actions based on the amount of light falling on the sensor. The switch function involves opening or closing a circuit based on the light intensity detected. Key Features of an LDR Sensor Switch: Light Sensitivity: LDRs are sensitive to light and exhibit a change in resistance based on the intensity of the light falling on them. They have higher resistance in the dark and lower resistance in bright light. Resistor Symbol: In circuit diagrams, an LDR is often represented using the symbol of a resistor with an arrow pointing toward it. The arrow indicates that the resistance decreases with increasing light. Circuit Integration: LDRs are commonly integrated into electronic circuits as part of a voltage divider arrangement. The voltage across the LDR changes with light intensity, affecting the overall voltage at a certain point in the circuit. Threshold Setting: LDR sensor switches can be configured with a threshold setting, meaning that they trigger a response (switching on or off) when the ambient light level crosses a predefined threshold. Switching Action: Based on the circuit design, an LDR sensor switch can be configured for either normally open (NO) or normally closed (NC) operation. In a normally open switch, it closes the circuit when a certain light level is reached, while in a normally closed switch, it opens the circuit under similar conditions. Applications: LDR sensor switches find applications in various fields, including automatic streetlights, security systems, outdoor lighting control, and energy-saving devices. Energy Efficiency: The use of LDR sensor switches contributes to energy efficiency by automating lighting systems. Lights can be turned on or off based on natural light levels, reducing unnecessary energy consumption. How LDR Sensor Switches Work: Voltage Divider Circuit: LDRs are often connected in a voltage divider circuit with a fixed resistor. The voltage across the LDR changes with the amount of light falling on it, affecting the voltage at the junction of the LDR and the fixed resistor. Microcontroller or Comparator: The voltage at the junction is typically connected to a microcontroller or a comparator circuit. The microcontroller or comparator compares the voltage with a reference level or threshold. Threshold Detection: When the light level exceeds the preset threshold, the microcontroller or comparator triggers an action, such as activating a relay to control a load (e.g., turning on lights) or sending a signal to a larger control system. Switching Action: The switching action (opening or closing of a circuit) is determined by the design of the circuit and the application requirements. Adjustable Sensitivity: Some LDR sensor switches allow for adjustable sensitivity settings, enabling users to fine-tune the response based on the specific lighting conditions of the environment. LDR sensor switches play a crucial role in creating energy-efficient and automated systems, especially in applications where controlling lighting based on ambient light levels is desirable. They offer a practical solution for achieving smart and responsive lighting in various settings.
₹459   ₹699
You save ₹240!
34.34% OFF
An BytBots 220 V 10 amp Waterproof Auto Day/Night on and Off Photocell LDR Sensor Switch for Lighting also known as a photoresistor sensor switch, is an electronic component that changes its resistance in response to changes in light levels. LDRs are commonly used in circuits to detect ambient light conditions and trigger actions based on the amount of light falling on the sensor. The switch function involves opening or closing a circuit based on the light intensity detected. Key Features of an LDR Sensor Switch: Light Sensitivity: LDRs are sensitive to light and exhibit a change in resistance based on the intensity of the light falling on them. They have higher resistance in the dark and lower resistance in bright light. Resistor Symbol: In circuit diagrams, an LDR is often represented using the symbol of a resistor with an arrow pointing toward it. The arrow indicates that the resistance decreases with increasing light. Circuit Integration: LDRs are commonly integrated into electronic circuits as part of a voltage divider arrangement. The voltage across the LDR changes with light intensity, affecting the overall voltage at a certain point in the circuit. Threshold Setting: LDR sensor switches can be configured with a threshold setting, meaning that they trigger a response (switching on or off) when the ambient light level crosses a predefined threshold. Switching Action: Based on the circuit design, an LDR sensor switch can be configured for either normally open (NO) or normally closed (NC) operation. In a normally open switch, it closes the circuit when a certain light level is reached, while in a normally closed switch, it opens the circuit under similar conditions. Applications: LDR sensor switches find applications in various fields, including automatic streetlights, security systems, outdoor lighting control, and energy-saving devices. Energy Efficiency: The use of LDR sensor switches contributes to energy efficiency by automating lighting systems. Lights can be turned on or off based on natural light levels, reducing unnecessary energy consumption. How LDR Sensor Switches Work: Voltage Divider Circuit: LDRs are often connected in a voltage divider circuit with a fixed resistor. The voltage across the LDR changes with the amount of light falling on it, affecting the voltage at the junction of the LDR and the fixed resistor. Microcontroller or Comparator: The voltage at the junction is typically connected to a microcontroller or a comparator circuit. The microcontroller or comparator compares the voltage with a reference level or threshold. Threshold Detection: When the light level exceeds the preset threshold, the microcontroller or comparator triggers an action, such as activating a relay to control a load (e.g., turning on lights) or sending a signal to a larger control system. Switching Action: The switching action (opening or closing of a circuit) is determined by the design of the circuit and the application requirements. Adjustable Sensitivity: Some LDR sensor switches allow for adjustable sensitivity settings, enabling users to fine-tune the response based on the specific lighting conditions of the environment. LDR sensor switches play a crucial role in creating energy-efficient and automated systems, especially in applications where controlling lighting based on ambient light levels is desirable. They offer a practical solution for achieving smart and responsive lighting in various settings.
₹10,737  
The Omron AC/DC Power Supply Free Type Photoelectric Switch, specifically the E3JK model, represents a state-of-the-art optical sensing solution meticulously engineered for a diverse range of industrial and automation applications. This cutting-edge sensor excels in object detection without reliance on an external power supply, offering inherent energy efficiency and a cost-effective proposition for industrial settings. This particular variant from Omron has been meticulously designed to operate seamlessly with both alternating current (AC) and direct current (DC) power sources, showcasing remarkable adaptability to varying electrical systems. This versatility makes it a preferred choice for integrators and engineers working in environments with mixed power infrastructure. Fundamentally, the E3JK utilizes advanced optical technology, often incorporating infrared or visible light sources combined with a photosensitive receiver. When an object traverses the emitted light beam, it disrupts the beam, eliciting an immediate signal from the sensor. This signal is instrumental in activating or deactivating specific functions or processes within the control system, encompassing applications such as conveyor system control, object quantification, and obstruction detection in automated manufacturing environments. A salient feature of the E3JK is its 'power supply-free' operation, eliminating the need for an external power source. This not only simplifies installation but also bolsters energy efficiency, reducing operational costs. Omron's commitment to quality engineering ensures consistent, precise, and reliable performance, making the E3JK an ideal choice for professionals seeking dependable optoelectronic sensing solutions in the industrial sector.
₹9,203  
The Omron AC/DC Power Supply Free Type Photoelectric Switch, specifically the E3JK model, represents a state-of-the-art optical sensing solution meticulously engineered for a diverse range of industrial and automation applications. This cutting-edge sensor excels in object detection without reliance on an external power supply, offering inherent energy efficiency and a cost-effective proposition for industrial settings. This particular variant from Omron has been meticulously designed to operate seamlessly with both alternating current (AC) and direct current (DC) power sources, showcasing remarkable adaptability to varying electrical systems. This versatility makes it a preferred choice for integrators and engineers working in environments with mixed power infrastructure. Fundamentally, the E3JK utilizes advanced optical technology, often incorporating infrared or visible light sources combined with a photosensitive receiver. When an object traverses the emitted light beam, it disrupts the beam, eliciting an immediate signal from the sensor. This signal is instrumental in activating or deactivating specific functions or processes within the control system, encompassing applications such as conveyor system control, object quantification, and obstruction detection in automated manufacturing environments. A salient feature of the E3JK is its 'power supply-free' operation, eliminating the need for an external power source. This not only simplifies installation but also bolsters energy efficiency, reducing operational costs. Omron's commitment to quality engineering ensures consistent, precise, and reliable performance, making the E3JK an ideal choice for professionals seeking dependable optoelectronic sensing solutions in the industrial sector.
₹10,029  
The Omron AC/DC Power Supply Free Type Photoelectric Switch, specifically the E3JK model, represents a state-of-the-art optical sensing solution meticulously engineered for a diverse range of industrial and automation applications. This cutting-edge sensor excels in object detection without reliance on an external power supply, offering inherent energy efficiency and a cost-effective proposition for industrial settings. This particular variant from Omron has been meticulously designed to operate seamlessly with both alternating current (AC) and direct current (DC) power sources, showcasing remarkable adaptability to varying electrical systems. This versatility makes it a preferred choice for integrators and engineers working in environments with mixed power infrastructure. Fundamentally, the E3JK utilizes advanced optical technology, often incorporating infrared or visible light sources combined with a photosensitive receiver. When an object traverses the emitted light beam, it disrupts the beam, eliciting an immediate signal from the sensor. This signal is instrumental in activating or deactivating specific functions or processes within the control system, encompassing applications such as conveyor system control, object quantification, and obstruction detection in automated manufacturing environments. A salient feature of the E3JK is its 'power supply-free' operation, eliminating the need for an external power source. This not only simplifies installation but also bolsters energy efficiency, reducing operational costs. Omron's commitment to quality engineering ensures consistent, precise, and reliable performance, making the E3JK an ideal choice for professionals seeking dependable optoelectronic sensing solutions in the industrial sector.
₹11,445  
The Omron AC/DC Power Supply Free Type Photoelectric Switch, specifically the E3JK model, represents a state-of-the-art optical sensing solution meticulously engineered for a diverse range of industrial and automation applications. This cutting-edge sensor excels in object detection without reliance on an external power supply, offering inherent energy efficiency and a cost-effective proposition for industrial settings. This particular variant from Omron has been meticulously designed to operate seamlessly with both alternating current (AC) and direct current (DC) power sources, showcasing remarkable adaptability to varying electrical systems. This versatility makes it a preferred choice for integrators and engineers working in environments with mixed power infrastructure. Fundamentally, the E3JK utilizes advanced optical technology, often incorporating infrared or visible light sources combined with a photosensitive receiver. When an object traverses the emitted light beam, it disrupts the beam, eliciting an immediate signal from the sensor. This signal is instrumental in activating or deactivating specific functions or processes within the control system, encompassing applications such as conveyor system control, object quantification, and obstruction detection in automated manufacturing environments. A salient feature of the E3JK is its 'power supply-free' operation, eliminating the need for an external power source. This not only simplifies installation but also bolsters energy efficiency, reducing operational costs. Omron's commitment to quality engineering ensures consistent, precise, and reliable performance, making the E3JK an ideal choice for professionals seeking dependable optoelectronic sensing solutions in the industrial sector.
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₹44,099 ₹54,600
19.23% OFF
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EXPLORE BRANDS RELATED TO Photoelectric Switches

Top Selling Photoelectric Switches Products Price List for December 2025

Product Name Specifications Expected Price Dispatch Time Discount
Walnut Innovations Weather Proof Day Night Switch Light sensor switch Current Rating 4 Amp | Input Voltage 220 V ₹1,049 14 days 3.32% OFF
Walnut Innovations Auto Day Night Sensor Photocell - Sensor Switch for Lighting Water Proof Color White | Frequency 50 Hz ₹719 3 days 20.02% OFF
BytBots Waterproof 220 V 6 A Auto Day/Night on and Off Photocell LDR Sensor Switch (Pack of 2) Color White | Connectivity USB ₹530 60 days 73.49% OFF
Kamkon 1000 W ON-OFF LDR Sensor Switch Connectivity Wi-fi | Operation Mode ON-OFF ₹317 3 days 0.13% OFF
Kamkon 1000 W Capacity 6 Amp White Plastic Auto Day/Night On-Off Photocell Sensor Switch (Pack of 4) Capacity 1000 W | Color White ₹825 3 days --
Moonlex 90-260 V/AC Smart Motion Sensor Switch for Automatic Lighting and Energy Saving Microwave Radar, BCSMS100 Angle 360 | Color Cream ₹424 2 days 29.22% OFF
This data was last updated on 14/12/2025