What is the SFK-112DM DC12V Relay used for?

The SFK-112DM DC12V Relay is a versatile electrical switch that is commonly used to control high-power devices using a low-power signal. This relay can handle up to 20A at 250VAC, making it ideal for applications such as automotive systems, home automation, and industrial equipment. For example, you can use it to control lights, motors, or other appliances that require higher voltage. Its compact size and reliable performance make it perfect for both DIY projects and professional setups.

How do I connect the SFK-112DM DC12V Relay?

To connect the SFK-112DM Relay, you will first need to identify its terminals: the coil terminals (marking A1 and A2) and the contact terminals (marking NO, NC, and COM). Connect your DC12V power supply across the coil terminals to energize the relay. The contact terminals can be connected to the device you wish to control. When the relay is activated, it can switch on/off devices, making it highly effective for automation tasks such as turning on lights or starting a motor.

What is the maximum load the SFK-112DM Relay can handle?

The SFK-112DM Relay can handle a maximum load of 20A at 250VAC, which also translates to a maximum DC load of 30A. This allows it to control a wide range of devices, from simple light fixtures to heavy-duty motors. Always ensure that the load you intend to switch does not exceed these specifications to maintain safety and prevent damage to the relay. This makes it well-suited for both residential and industrial applications.

Is the SFK-112DM Relay suitable for automotive applications?

Yes, the SFK-112DM Relay is particularly well-suited for automotive applications due to its ability to handle high current and operate at 12V DC, which is standard in most vehicles. It can be used for controlling lights, electric fans, and other automotive accessories. Its durable construction and reliable performance under varying temperatures make it a preferred choice for car enthusiasts and professionals alike, ensuring your vehicle’s electrical systems operate smoothly.

Can the SFK-112DM Relay be used with a microcontroller?

Absolutely! The SFK-112DM Relay can be easily integrated with microcontrollers like Arduino or Raspberry Pi. You simply need to use a transistor as a switching device to control the relay, allowing your microcontroller to activate the relay without direct load. This setup is ideal for automation projects, where you want to control high-power devices using low-power microcontroller signals, effectively expanding your project’s capabilities.

What are the specifications of the SFK-112DM Relay?

The SFK-112DM Relay features a coil voltage of 12V DC and can operate under a maximum load of 20A/250VAC. It has a compact design that makes it easy to install in various applications. Its defined pin configuration and robust construction allow for easy integration into existing systems, making it suitable for both new projects and retrofitting in existing setups. Moreover, its ability to switch both AC and DC loads enhances its versatility.

How can I test if the SFK-112DM Relay is functioning properly?

To test the SFK-112DM Relay, connect it to a 12V power supply and verify the operation of the relay by listening for a clicking sound upon energization. Use a multimeter to check continuity across the contact terminals when the relay is activated. If there is no continuity when it should be in the 'on' state, the relay may be defective. It's recommended to test the relay in a controlled environment to ensure that it operates effectively before integrating it into a larger circuit.

What is the difference between NO and NC in the SFK-112DM Relay?

In the context of the SFK-112DM Relay, NO refers to Normally Open contacts, whereas NC refers to Normally Closed contacts. NO contacts remain open until the relay is energized, at which point they close, allowing current to flow to the connected device. Conversely, NC contacts remain closed until the relay is energized, at which point they open, interrupting current flow. This feature allows for versatile control, enabling users to either energize devices when the relay activates or cut power as needed.

Where can I buy SFK-112DM DC12V 20A/250VAC Relay-2pieces?

You can purchase SFK-112DM DC12V 20A/250VAC Relay-2pieces on Ubuy. This platform offers a wide range of electronic components, ensuring a reliable source for your purchasing needs. Ubuy also provides a seamless shopping experience, enabling you to find your desired products easily and efficiently.

What precautions should I take when using the SFK-112DM Relay?

When using the SFK-112DM Relay, ensure that you adhere to the specified voltage and current ratings to prevent overheating or damage. Proper insulation and securing of wiring are essential for safety. Additionally, consider the relay’s mounting position and ambient temperature to avoid malfunction. These precautions are crucial to ensure reliable operation and longevity of the relay, particularly in demanding applications such as home automation or industrial control systems.

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Is SFK-112DM DC12V 20A/250VAC Relay-2pieces Available to Shop Online in South Africa?

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SFK-112DM DC12V 20A/250VAC Relay-2pieces

Tecsunjia

Item #: 91295712

SFK-112DM DC12V 20A/250VAC Relay-2pieces

Item #: 91295712

ZAR 440

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What Stands Out

High Current Rating

With a robust 20A current rating, the SFK-112DM relay efficiently manages significant electrical loads, making it ideal for industrial and DIY applications.

Versatile Voltage Compatibility

Supports DC12V and 250VAC, ensuring compatibility with a wide range of devices, from home automation systems to heavy machinery, catering to diverse user needs.

Durable Design

Built for longevity, the SFK-112DM relay features high-quality components that withstand frequent switching, ensuring reliable performance and value over time.

Product Details

Item Weight

0.5 lbs (230 grams)

Who Should Buy?

DIY Electronics
Ideal for hobbyists looking to control high-voltage devices safely in their projects using relay switching.
Home Automation
Suitable for automating household appliances, allowing remote control and programmable functions for energy efficiency.
Industrial Applications
Complementary for industrial machinery needing reliable relay operations for controlling heavy loads and equipment.

High Frequency Use
Not suitable for applications requiring fast switching as mechanical relays are slower than solid-state alternatives.
Low Power Devices
Excessive capacity for low power applications, leading to inefficient energy usage and potential overkill for small devices.
Sensitive Electronics
May not be ideal for sensitive electronic circuits that require low voltage control methods without mechanical interference.

Product Description

SFK-112DM DC12V 20A/250VAC Relay-2pieces

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Question: How to Shop SFK-112DM DC12V 20A/250VAC Relay-2pieces Online From Ubuy?

Answer: It’s easy to shop SFK-112DM DC12V 20A/250VAC Relay-2pieces online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.
Question: Is SFK-112DM DC12V 20A/250VAC Relay-2pieces Available to Shop Online in South Africa?

Answer: Yes, at Ubuy South Africa this product is available for you to shop at a reasonable price. The SFK-112DM DC12V 20A/250VAC Relay-2pieces is not available locally but you can trust us with our express shipping services.
Question: How Long Does It Take to Get Product After Placing the Order?

Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

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Pros

Highly reliable performance
Easy to install
Durable construction
Wide voltage compatibility
Great for various applications

Cons

Slightly larger than expected

Product Price History

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SFK-112DM DC12V 20A/250VAC Relay-2pieces

ZAR 440

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Free Return*

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Important information

ZAR 440

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