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Beefcake Relay Control Kit

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  • SparkFun KIT-11042 | Beefcake Relay Control Kit - Image 1 | Proto-PIC.co.uk
  • SparkFun KIT-11042 | Beefcake Relay Control Kit - Image 6 | Proto-PIC.co.uk
  • SparkFun KIT-11042 | Beefcake Relay Control Kit - Image 5 | Proto-PIC.co.uk
  • SparkFun KIT-11042 | Beefcake Relay Control Kit - Image 4 | Proto-PIC.co.uk
  • SparkFun KIT-11042 | Beefcake Relay Control Kit - Image 3 | Proto-PIC.co.uk
  • SparkFun KIT-11042 | Beefcake Relay Control Kit - Image 2 | Proto-PIC.co.uk
£5.59 (inc VAT) £4.66 (exc VAT)
34.0 Grams

2 In Stock For Immediate Despatch A further 165 can be available within 3-5 working days

Calculated at checkout

 Product Description

Your 5 volt system can wield great power with this big beefy relay board. How does 20 amps at 220VAC sound? The Beefcake Relay Control Kit contains all the parts you need to get your high-power load under control.

The heart of the board is a sealed, SPST-NO 20A Relay. The relay is controlled by 5V logic through a transistor and an LED tells you when the relay is closed. This is a kit, so it comes as through-hole parts with assembly required which makes for some nice soldering practice. Screw terminal connectors on either side of the board make it easy to incorporate into your project.

Note: There are some pretty beefy traces connecting the relay to the load pins, but the 2-pin terminals are only rated for 8A max! If you plan on connecting a larger load you’ll need to solder directly to the board. As always with high current and voltage, play it safe and use you judgment when deciding how much of a load you want to put on a board.

Note: Although we have revised this PCB to provide better isolation for the high voltage traces, this board is really meant for someone with some experience. If you’re uncomfortable soldering or dealing with high voltage, please checkout the PowerSwitch Tail II. The PowerSwitch Tail II is fully enclosed making it a lot safer.


Replaces: KIT-10733

 Other Details

Brand and Part Number:
SparkFun KIT-11042 Beefcake Relay Control Kit

 Product Reviews

  1. Works well

    Posted by on

    Product as described. Easy to assemble and solder. Works well with my Arduino.

  2. Great beefy relay

    Posted by on

    Need to switch 12v or 240v from an arduino of Raspberry Pi?

    This is perfect for the job. Easy to assemble and capable of switching large loads. I have a few including one controlling a 12v electric strike lock, one controlling a large aquaponics 240v water pump and another controlling some 12v garden lighting.

  3. Excellent well built product

    Posted by on

    The soldering is a little bit finicky, as you are soldering wires which are quite close together. I was using one of the pictures on this website as the guide for soldering as you don't get anything with it. I am a novice when it came to soldering so was very pleased that I was able to do it and it worked.

  4. Nice easy relay kit

    Posted by on

    Good PCB, quality components and easy to build.

    Nice work guys.

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