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Item #:
37828086
DC 12V Delay Relay Timer Switch Module Board 0-25 Second Adjustable Timer Relay Turn On/Turn Off Switch Module with Opto-couplers Isolator
Item #:
37828086
SCR 242
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Imported from USA store
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Order now and get it around Saturday, August 15
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Delay time can be adjusted by potentiometer, default 0-25 seconds; perfect for robotics, automation, and security applications.
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What Stands Out
Adjustable Timer
Customize timing between 0 to 25 seconds for precise control over switch operations, catering to various applications and user needs.
Opto-isolation
Built-in opto-couplers provide electrical isolation, enhancing safety and preventing damage to connected devices from surges or faults.
Versatile Applications
Ideal for automating lights, fans, or other electronic devices, this relay switch module simplifies control for both home and industrial environments.
Product Details
| Connector Type | Through Hole |
| Contact Type | Normally Open |
| Current Rating | 10 Amps |
| Mounting Type | PCB Mount |
| Operation Mode | Automatic |
| Wattage | 120 watts |
| Coil Resistance | 500 Kiloohms |
| Coil Voltage | 12 Volts |
| Contact Current Rating | 10 Amps |
| Maximum Switching Current | 10 Amps |
| Maximum Switching Voltage | 12 Volts |
| Minimum Switching Voltage | 12 Volts |
| Number of Terminals | 2 |
| Brand Name | Walfront |
| UPC | 663862243062 |
| Part Number | Walfronts2g18rekmx |
| Model | Walfronts2g18rekmx |
| Item Weight | 0.02 Kilograms |
| Manufacturer | Walfront |
| Contact Material | Copper |
Who Should Buy?
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Home Automation
Ideal for automating lights or appliances, creating controlled delays to enhance home efficiency and convenience.
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DIY Projects
Great for hobbyists and makers needing adjustable timing for various electronic and robotics projects.
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Security Systems
Useful in security applications to delay device activation, improving safety and reducing false alarms.
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High Power Devices
Not suitable for applications exceeding 12V or requiring high current, as it may cause damage.
Product Description
DC 12V Delay Relay Timer Switch Module Board 0-25 Second Adjustable Timer Relay Turn On/Turn Off Switch Module with Opto-couplers Isolator
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is a DC 12V Delay Relay Module Board used for?
Answer: A DC 12V Delay Relay Module Board is used to automatically control the timing of electrical devices. It acts as a switch that can turn devices on or off after a specific delay, ranging from 0 to 25 seconds. This feature is particularly useful in various applications, such as automated lighting systems, motor control, and home automation, where you want to avoid immediate on/off actions. -
Question:
How do I adjust the timer settings on this relay module?
Answer: Adjusting the timer settings on the DC 12V Delay Relay Module is straightforward. The module is equipped with a variable resistor (potentiometer) that allows you to set the desired delay time precisely. By turning this knob, you can achieve timing from 0 up to 25 seconds. This makes it highly customizable for different project needs, suitable for either short or longer activation periods. -
Question:
Can this relay module be used for inductive loads?
Answer: Yes, this relay module can be used for inductive loads, but care must be taken. Inductive loads, like motors or solenoids, can generate back EMF that may damage the relay. Therefore, using protective diodes is advisable in these scenarios. This module's opto-coupler provides additional isolation, ensuring the control circuit remains safe from high voltage spikes. -
Question:
What are the power specifications for this relay module?
Answer: The DC 12V Delay Relay Module operates at a voltage of 12V DC, which is common for many electronic circuits. It typically consumes a small amount of current while energized, but you should always check the specifications to ensure compatibility with your application, as exceeding the current rating can lead to failures. The module can control devices with varying power requirements efficiently. -
Question:
Is this relay module compatible with Arduino or Raspberry Pi?
Answer: Absolutely! The DC 12V Delay Relay Module is designed for easy integration with microcontrollers like Arduino and Raspberry Pi. Its design includes opto-isolators that protect the microcontroller from high voltages and currents. This module can be utilized to create complex automated systems or projects, allowing you to control various devices based on programmed conditions. -
Question:
What precautions should I take while using this relay module?
Answer: While using this relay module, ensure correct voltage and current ratings of the devices being controlled. Always ensure proper wiring to prevent short circuits. It's also important to take precautions against potential electrical shocks when working with higher voltages. Using the module within its specified limits can enhance safety and longevity in your applications. -
Question:
Can I use this module in a 24V system?
Answer: No, the DC 12V Delay Relay Module is specifically designed for a 12V DC system. Using it in a 24V system can damage the module and create safety hazards. If you are working with a 24V system, it's best to look for a relay module rated for that voltage. This ensures reliable operation and prevents potential electrical failures. -
Question:
What types of devices can this relay control?
Answer: The relay module can control a variety of devices including lights, motors, fans, and other electrical appliances. It is particularly useful in automated systems, such as turning on lights after a set delay when entering a room or controlling a fan based on temperature sensors. Essentially, any device operating within its rated specifications can be controlled effectively. -
Question:
How does the opto-isolator enhance the functionality of this relay?
Answer: The opto-isolator in the DC 12V Delay Relay Module ensures electrical isolation between the control side and the load side of the circuit. This means that any high voltage spikes or disturbances on the load side do not affect the control circuit, thus preventing damage to the controlling device, such as an Arduino or Raspberry Pi. This feature greatly enhances safety and reliability. -
Question:
Where can I buy the DC 12V Delay Relay Module Board in Seychelles?
Answer: You can purchase the DC 12V Delay Relay Module Board from Ubuy. They offer a wide selection of electronic components, making it convenient to find and acquire the module you need. Ubuy provides various options for purchasing, ensuring you can easily find the right product for your project requirements.
Walfront IO Modules Editorial Review
The DC 12V Delay Relay Module Board is a product that has received mixed reviews from customers. While some customers claim the product works exactly as intended and is easy to use, others had issues getting the module to work properly despite following the instructions. The product does not come with an English wiring diagram, which causes a lot of confusion for some customers. Several reviews suggest the board is not user-friendly, with confusing instructions and poorly labelled connections.
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Pros
- Adjustable timer relay
- Durable
- Can be used to control different types of appliances and circuits
Cons
- Poor instructions
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SCR 242
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Features & Benefits
- Adjustable delay time from 0.1s to 25 seconds.
- High current capacity, handling up to 10A.
- Robust protection with reverse polarity diode.
- Versatile for robotics, car lamps, and automation projects.
- Easily expandable delay time with larger capacitors.
- Perfect for industrial control and intelligent home applications.
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