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Relay Boards

Showing 40 out of 186 products

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₹2,999  
The RDL FT245RL USB 8 Channel Relay Board,  RDL/8RB/14/001/V2.0, often referred to as a relay module or relay control board, is an electronic device used to control high-power electrical circuits or devices with low-power control signals. Relays themselves are electromechanical switches that allow a small electrical signal to control a much larger electrical load, making them essential components in various applications, including automation, robotics, electronics, and industrial control systems. Here are some key aspects and uses of a relay board: 8 SPDT Relay channels (7A 250V,12A 120V,10A 125VAC, 10A 28VDC).strong>Switching Function: The primary function of a relay board is to act as a switch, allowing a low-voltage and low-current signal to control the switching of a high-voltage and high-current load. This is particularly useful for isolating control circuits from potentially hazardous or high-power circuits. Control Signals: Relay boards are designed to work with a variety of control signals, such as digital or analog signals from microcontrollers, sensors, or other electronic devices. They can be triggered by voltage changes, current flow, or specific digital signals. Contacts: Relay boards contain one or more individual relay modules, each with multiple switch contacts (typically termed as normally open, normally closed, and common). These contacts determine how the relay will behave when activated. Applications: Relay boards are widely used in numerous applications, including home automation (e.g., controlling lights, appliances), industrial automation (e.g., controlling motors, pumps), automotive systems (e.g., in car alarms and starters), and HVAC (Heating, Ventilation, and Air Conditioning) systems. Safety: They provide an additional layer of safety by isolating the low-voltage control circuit from the high-voltage load. This helps prevent electrical interference, protects sensitive control electronics, and minimizes the risk of electrical shock. Customization: Relay boards come in various configurations, with different numbers of relays and voltage/current ratings to suit specific requirements. Some may also include additional features like opto-isolation for enhanced noise immunity. In summary, a relay board is a versatile and essential component in electrical and electronic systems, enabling the safe and efficient control of high-power loads using low-power control signals. Its flexibility, reliability, and ability to isolate control circuits make it an indispensable tool in various automation and control applications.
₹2,477  
The EASY ELECTRONICS Based 8-Channel Relay Board Micro Controller Electronic, ‎ESP32 as a versatile and essential component in the realm of control and automation systems. Engineered with precision, this innovative board empowers users to manage multiple electrical devices and systems with remarkable ease and efficiency. At its core, a Channel Relay Board serves as a bridge between electronic control signals and the physical world. It acts as a switchboard, enabling users to control various devices, such as lights, motors, fans, and more, remotely or automatically. Whether for industrial automation, home control systems, or IoT applications, this board offers a robust platform for seamless operation. The defining feature of a Channel Relay Board is its multiple channels, each equipped with its own relay. These relays serve as electronically controlled switches that enable or disable the connected devices based on user-defined commands. With the capacity to handle several devices simultaneously, the board provides a consolidated solution for intricate control needs. Flexibility is a hallmark of the Channel Relay Board. It can be controlled through a variety of interfaces, including microcontrollers, sensors, and even software applications. This adaptability ensures compatibility with diverse control systems, allowing users to integrate it seamlessly into their projects. The Channel Relay Board significantly enhances control and automation scenarios. Its ability to execute commands with precision not only optimizes energy usage but also streamlines processes. For instance, in industrial setups, it can enable batch processing or synchronize equipment operation, leading to heightened efficiency and reduced human intervention. Moreover, the Channel Relay Board contributes to safety and convenience. It can automate tasks such as turning off appliances remotely or triggering alarms in critical situations. This capability not only prevents potential hazards but also adds a layer of convenience to daily operations.
₹5,191  
Shavison 1 N/O 16 Relay Module With Coil Connection Through FRC / HE10, 24 V DC and 25 mA Per Channel, AS334-24V-N-S-OE is a sixteen-channel relay interface designed for control systems requiring multiple normally open switching outputs. Its coil connection through an FRC / HE10 interface supports organized integration with compatible controllers and automation equipment. Operating at 24 V DC with a specified 25 mA per channel, the module provides a practical solution for low-power relay control applications. The sixteen-channel arrangement enables several independent circuits to be managed from one centralized assembly, making it suitable for PLC interfaces, industrial machinery, instrumentation, process automation, and electronic control panels. Its normally open configuration allows each relay contact to remain open until the corresponding control signal activates the channel. Shavison 1 N/O 16 Relay Module With Coil Connection Through FRC / HE10, 24 V DC and 25 mA Per Channel, AS334-24V-N-S-OE offers high-density switching for installations where numerous outputs need centralized management. The FRC / HE10 connection provides a structured interface for coil control, while the 24 V DC operating arrangement suits compatible automation systems. With sixteen independently available relay channels, it can assist with machine sequencing, signal routing, controller interfacing, and process-control functions. The stated 25 mA per-channel requirement supports appropriate low-current control applications. Its compact multi-relay configuration can help simplify panel wiring and reduce the space required for individually mounted relays, while providing accessible connections for installation and routine maintenance.
₹4,719  
Shavison 1 N/O 16 Relay Module With Coil Connection Through FRC / HE10, 24 V DC and 25 mA Per Channel, AS334-24V-N-OE is a sixteen-channel relay interface designed for applications requiring numerous independently controlled normally open outputs. Each relay channel provides a normally open contact arrangement, while coil connections are made through an FRC / HE10 interface for organized signal integration. The module operates at 24 V DC with a stated 25 mA per-channel requirement, making it suitable for compatible automation and electronic control systems. Its sixteen-channel configuration provides a high-density solution for PLC interfaces, machine control, instrumentation, process automation, and signal switching. Consolidating multiple relays into one assembly can help simplify wiring and provide a structured connection point for systems with numerous controlled circuits. Shavison 1 N/O 16 Relay Module With Coil Connection Through FRC / HE10, 24 V DC and 25 mA Per Channel, AS334-24V-N-OE offers sixteen relay outputs for switching applications where normally open operation is required. The FRC / HE10 coil connection provides a standardized interface for suitable control wiring, while the 24 V DC operating specification supports compatible relay control supplies. Each channel is rated for the stated 25 mA per-channel requirement, making the module appropriate for suitable low-power control architectures. It can be integrated into industrial automation panels, PLC-controlled machinery, instrumentation systems, testing equipment, and customized interface assemblies. Its sixteen-output arrangement provides substantial channel capacity in one module, helping centralize relay control and maintain an orderly installation.
₹3,421  
Shavison 2 C/O 8 Relay Module With FRC Connector Input & Cascading, 24 V DC and 25 mA Per Channel, AS296-24V-OE is an eight-channel relay interface designed for control systems requiring multiple changeover switching functions. Each channel provides two changeover contacts, offering normally open and normally closed paths for flexible circuit management. The module uses an FRC connector input arrangement and supports cascading, allowing suitable assemblies to be integrated into larger control architectures. Its 24 V DC operating specification and 25 mA per-channel requirement make it appropriate for compatible automation and industrial electronic systems. The design can be used for PLC interfacing, machine control, signal switching, instrumentation, and distributed control applications where several relay outputs need to be managed through a structured connection system. Shavison 2 C/O 8 Relay Module With FRC Connector Input & Cascading, 24 V DC and 25 mA Per Channel, AS296-24V-OE provides sixteen changeover contact paths across eight relay channels, supporting versatile switching configurations. The FRC connector interface helps facilitate organized signal connections, while the cascading capability can assist in extending relay control arrangements within compatible systems. Operating at 24 V DC with a stated 25 mA per-channel requirement, the module is suited to suitable low-power control applications. It can be integrated into automation cabinets, PLC systems, industrial machinery, process controls, and electronic interface equipment. Its eight-relay format combines high channel density with flexible contact switching, providing a practical solution for applications requiring centralized relay management.
₹5,309  
The RDL ESP32 WiFi 8 Channel Relay Board, RDL856, often referred to as a relay module or relay control board, is an electronic device used to control high-power electrical circuits or devices with low-power control signals. Relays themselves are electromechanical switches that allow a small electrical signal to control a much larger electrical load, making them essential components in various applications, including automation, robotics, electronics, and industrial control systems. Here are some key aspects and uses of a relay board: Features:
8 SPDT Relay channels (7A 250V,12A 120V,10A 125VAC, 10A 28VDC). Power supply:12VDC 2AMP Current consumption: 1A. LED indication for relay & power supply. Design based on highly proven IC ULN2803 as driver. Node MCU Firmware updated. High-quality PCB FR4 Grade with FPT Certified. ESP32 Features:
MCU
ESP32-D0WD-V3 embedded, Xtensa® dual-core 32-bit LX6 microprocessor, up to 240 MHz 448 KB ROM for booting and core functions 520 KB SRAM for data and instructions 16 KB SRAM in RTC 4 MB SPI flash Wi-Fi
802.11b/g/n Bit rate: 802.11n up to 150 Mbps A-MPDU and A-MSDU aggregation 0.4 µs guard interval support Center frequency range of operating channel: 2412 ~ 2484 MH Bluetooth® / BLE
Bluetooth V4.2 BR/EDR and Bluetooth LE specification Class-1, class-2 and class-3 transmitter AFH CVSD and SBC Security:
WFA, WPA/WPA2 and WAPIstrong>Switching Function: The primary function of a relay board is to act as a switch, allowing a low-voltage and low-current signal to control the switching of a high-voltage and high-current load. This is particularly useful for isolating control circuits from potentially hazardous or high-power circuits. Control Signals: Relay boards are designed to work with a variety of control signals, such as digital or analog signals from microcontrollers, sensors, or other electronic devices. They can be triggered by voltage changes, current flow, or specific digital signals. Contacts: Relay boards contain one or more individual relay modules, each with multiple switch contacts (typically termed as normally open, normally closed, and common). These contacts determine how the relay will behave when activated. Applications: Relay boards are widely used in numerous applications, including home automation (e.g., controlling lights, appliances), industrial automation (e.g., controlling motors, pumps), automotive systems (e.g., in car alarms and starters), and HVAC (Heating, Ventilation, and Air Conditioning) systems. Safety: They provide an additional layer of safety by isolating the low-voltage control circuit from the high-voltage load. This helps prevent electrical interference, protects sensitive control electronics, and minimizes the risk of electrical shock. Customization: Relay boards come in various configurations, with different numbers of relays and voltage/current ratings to suit specific requirements. Some may also include additional features like opto-isolation for enhanced noise immunity. In summary, a relay board is a versatile and essential component in electrical and electronic systems, enabling the safe and efficient control of high-power loads using low-power control signals. Its flexibility, reliability, and ability to isolate control circuits make it an indispensable tool in various automation and control applications.
₹2,699  
The RDL FT245RL USB 4 Channel Relay Board, RDL/4RB/14/001/V4.0, often referred to as a relay module or relay control board, is an electronic device used to control high-power electrical circuits or devices with low-power control signals. Relays themselves are electromechanical switches that allow a small electrical signal to control a much larger electrical load, making them essential components in various applications, including automation, robotics, electronics, and industrial control systems. Here are some key aspects and uses of a relay board: Completely opto isolated relay module LED indication for relay & power supply. 4x SPDT Relay (7A 250V, 12A 120V, 10A 125VAC, 10A 28VDC) 4x Digital IO 5v USB Control Chipset FT245RL Greater Power handling PCB 70 Micron with good quality screw Connector Relay Module Power supply selection available in 5V / 12V / 24 V. Configurable FIFO interface I/O pins. Data transfer rates up to 1Mbyte / second* Fully integrated USB termination resistors. Device supplied pre-programmed with unique USB serial number. USB 2.0 Full Speed compatible. Fully integrated 1024 bit EEPROM storing, device descriptors and FIFO I/O configuration Device supplied pre-programmed with unique USB serial number. Integrated power-on-reset circuit. -40°C to 85°C extended operating temperature range. .Net / JAVA / Python SDK available for developing custom application
Switching Function: The primary function of a relay board is to act as a switch, allowing a low-voltage and low-current signal to control the switching of a high-voltage and high-current load. This is particularly useful for isolating control circuits from potentially hazardous or high-power circuits. Control Signals: Relay boards are designed to work with a variety of control signals, such as digital or analog signals from microcontrollers, sensors, or other electronic devices. They can be triggered by voltage changes, current flow, or specific digital signals. Contacts: Relay boards contain one or more individual relay modules, each with multiple switch contacts (typically termed as normally open, normally closed, and common). These contacts determine how the relay will behave when activated. Applications: Relay boards are widely used in numerous applications, including home automation (e.g., controlling lights, appliances), industrial automation (e.g., controlling motors, pumps), automotive systems (e.g., in car alarms and starters), and HVAC (Heating, Ventilation, and Air Conditioning) systems. Safety: They provide an additional layer of safety by isolating the low-voltage control circuit from the high-voltage load. This helps prevent electrical interference, protects sensitive control electronics, and minimizes the risk of electrical shock. Customization: Relay boards come in various configurations, with different numbers of relays and voltage/current ratings to suit specific requirements. Some may also include additional features like opto-isolation for enhanced noise immunity. In summary, a relay board is a versatile and essential component in electrical and electronic systems, enabling the safe and efficient control of high-power loads using low-power control signals. Its flexibility, reliability, and ability to isolate control circuits make it an indispensable tool in various automation and control applications.
₹14,299  
The RDL ESP32 IoT Development Trainer Kit, RDL814 to a comprehensive set of tools, materials, and resources designed to facilitate and support the learning and training of individuals in various aspects of personal and professional development. These kits are often utilized in educational institutions, corporate training programs, or for self-improvement purposes. Here are some key components and aspects associated with a Development Trainer Kit: Board Features: On Board Programming.Plug & Play Interface Connectivity.Professional EMI/RFI Complaint PCB Layout Design.Modular Block design makes Easy access & quick Prototyping.FRC connectivity features minimize the connection Error.
Grade PCB with wooden Enclosure.8 interfacing LED’s.1 * 4 Menu keypad.4* 4 Matrix Keypad.RS232, RS485, USB communication port.7 Segment Multiplexed Display.
16*2 LCD & OLED Display.ADC & DAC Card.8 bit 4 port IO.On Board WiFi/Bluetooth Connectivity.3.3 to 5V Level Converter.Power Supply 3.3V and 5V.SD CARD Interface.RTC & EEPROM Interface.DC Motor/ Stepper Motor Driver.Relay, Buzzer.1xTemperature Sensor.3x Analog Test POT.
Interfaces: SD card, UART, SPI, SDIO, I2C, LED PWM, Motor PWM, I2S, IR, pulse counter, GPIO, capacitive touch sensor, ADC, DAC, Two-Wire Automotive Interface.
Communication Interface : RS232 , RS485 ( Modbus RTU ) , USB , SPI , I2C .On Board Peripheral : OLED Display , 16x2 LCD Display,Seven Segment Display ,8x LED , 4x4 Hex Keypad , 1x4 Menu Keypad , Xbee Adapter, 3.3 to 5v Level Converter, SD CARD Interface, RTC & EEPROM, DC Motor / Stepper Motor Driver, Relay, Buzzer,1xTemperature Sensor,3x Analog Test POT ,8x Selection DIPEducational Resources: The kit may include books, manuals, guides, or access to online resources that cover a wide range of developmental topics. These resources can include leadership development, communication skills, time management, emotional intelligence, and more. Feedback Mechanisms: Effective development requires feedback. Some kits incorporate mechanisms for seeking feedback from mentors, peers, or supervisors to aid in the learning process. Online Learning Platforms: In today's digital age, many development trainer kits offer access to online platforms or learning management systems where users can access resources, engage in discussions, and track their progress. Interactive Workshops: Some trainer kits include materials for conducting interactive workshops or group training sessions. These workshops can be valuable for organizations looking to provide development opportunities to their employees. Depending on the target audience, trainer kits may offer options for customization. Organizations or trainers can adapt the content to align with specific learning objectives. A Development Trainer Kit is a versatile tool that can cater to a wide range of learning needs, from enhancing professional skills and leadership abilities to fostering personal growth and self-awareness. It empowers individuals to take control of their own development and provides the resources and structure needed to achieve their goals.
₹2,713  
The Shavison 1 C/O 6 Channels Relay Module With High Voltage Isolated Coil, 110 V AC and 25 mA Per Channel, AS424-110VAC-S-OE offers robust switching capabilities engineered specifically for demanding industrial automation setups. Designed with six independent channels, this unit manages signal isolation efficiently between control electronics and high-power field devices. Operating at a nominal coil input of 110V AC while drawing approximately 25 mA per channel, it minimizes overall electrical stress. High-voltage coil isolation ensures superior protection against electrical noise, surges, and transients, safeguarding delicate programmable logic controllers or microcontrollers from potential voltage spikes in harsh factory conditions.Featuring single changeover contact configurations, the Shavison 1 C/O 6 Channels Relay Module With High Voltage Isolated Coil, 110 V AC and 25 mA Per Channel, AS424-110VAC-S-OE allows flexible routing of both normally open and normally closed circuits. Socket-mounted relay design simplifies maintenance, allowing swift replacement without rewiring the base terminal block. Its compact DIN-rail mounting form factor optimizes space inside control panels, making wiring streamlined and neat. Integrated status indicators provide visual confirmation for each channel during operation, aiding technicians during troubleshooting and operational monitoring.
₹2,241  
The Shavison 1 C/O 4 Channels Relay Module With High Voltage Isolated Coil, 36 V DC and Socket Mounted, AS423-36VDC-S-OL is an essential industrial switching solution designed for robust control system integration. Featuring four independent single-changeover channels, this interface board efficiently manages signal routing between low-power control electronics and heavy-duty electrical loads. Its high-voltage galvanic isolation safeguards sensitive upstream controllers against voltage spikes, electrical noise, and ground loops. Built to operate reliably with a 36 V DC coil voltage input, the unit offers precise activation across demanding automation setups while maintaining low current draw for energy-efficient operation.Engineered for effortless panel maintenance, the Shavison 1 C/O 4 Channels Relay Module With High Voltage Isolated Coil, 36 V DC and Socket Mounted, AS423-36VDC-S-OL incorporates pluggable socket assemblies that allow swift component replacement without disturbing field wiring. Clear status indicators offer real-time diagnostic visibility for instant troubleshooting on busy factory floors. Its compact DIN-rail mountable layout optimizes enclosure space, delivering superior density alongside dependable electrical separation. Designed to withstand harsh industrial environments, this durable module provides an optimal bridge between automated control units and diverse field machinery.
₹2,241  
The Shavison 1 C/O 4 Channels Relay Module With High Voltage Isolated Coil, 110 V AC and 25 mA Per Channel, AS423-110VAC-S-OL is engineered for efficient control in demanding industrial automation setups. Operating with an input supply rating of 110V AC and requiring a low current consumption of only 25mA per channel, this four-channel switching board delivers dependable signal isolation between delicate control circuits and heavy-duty load devices. The integration of high-voltage galvanically isolated coils prevents electrical noise, voltage surges, and ground loops from impacting sensitive controller hardware, thereby drastically enhancing system safety and operational continuity.Equipped with single changeover (1 C/O) contact configurations across all four independent channels, the Shavison 1 C/O 4 Channels Relay Module With High Voltage Isolated Coil, 110 V AC and 25 mA Per Channel, AS423-110VAC-S-OL offers flexible routing for both normally open and normally closed electrical connections. Designed with socket-mounted components for effortless maintenance and quick field replacements, this robust module streamlines wiring layouts in control panels. Its high immunity against electrical transients makes it an exemplary component for PLC output interfacing, motor management systems, and automated machinery protection applications.
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Top Selling Relay Boards Products Price List for November 2026

Product Name Specifications Expected Price Dispatch Time Discount
RDL FT245RL USB 8 Channel Relay Board,  RDL/8RB/14/001/V2.0 Color Multicolor | Current 7-10 A ₹2,999 60 days --
This data was last updated on 13/11/2026