SKU: 64885085680

SparkFun Beefcake Relay Control Kit (Ver. 2.0) Kits

Sale price$661.50 Regular price$735.00
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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3

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Description

SparkFun Beefcake Relay Control Kit (Ver. 2.0) KitsYour 5V system can wield great power with this big, beefy relay board. How does 10A on the NC contacts and 20A on the NO contacts at 220VAC sound? The SparkFun Beefcake Relay Control Kit contains all the parts you need to get your high power load under control. Only minimal assembly is required! The heart of the board is a sealed, SPDT 20A 10A Relay. The relay is controlled by 5V logic through a transistor, and an LED tells you when the relay is

Your 5V system can wield great power with this big, beefy relay board. How does 10A on the NC contacts and 20A on the NO contacts at 220VAC sound? The SparkFun Beefcake Relay Control Kit contains all the parts you need to get your high-power load under control. Only minimal assembly is required!

The heart of the board is a sealed, SPDT 20A/10A 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.

There are some pretty beefy traces connecting the relay to the load pins, but the 3-pin terminals are only rated for 15A 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 your judgment when deciding how much of a load you want to put on a board – in open airflow the PCB can handle the full 20A for a few minutes at a time, but in an enclosed area heat can build up.

Note: Please keep in mind that this board is really meant for someone with experience and good knowledge of electricity. If you’re uncomfortable soldering or dealing with high voltage, please check out the PowerSwitch Tail II. The PowerSwitch Tail II is fully enclosed, making it a lot safer.

Get Started With the Beefcake Hookup & Assembly Guide

Features:

  • Voltage Rating: 220VAC/28VDC
  • VCC requirements: 4-6V, 150mA capable
  • SPDT pins exposed (Form C)
  • 14 AWG screw terminals for relay connections.
  • 10 AWG solder lugs for relay connections.
  • Flyback diode included
  • Zener recovery diode included (decreases turn-off time)
  • Heavy 2 oz. copper on PCB

Documents:

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 64885085680

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jayymerk
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★★★★★ 5
Great suit!
Size: X-Large, Color: Navy With Blue
I was pleasantly surprised by the quality of this Mage Male dress suit. The material feels very soft with a velvet-like texture that makes the entire outfit pop without being over the top. This suit is perfect for prom, weddings, or any event where you want to elevate your look a bit. Sizing was accurate for me, so make sure you follow the size chart closely. I recommend picking up an inexpensive tape measure here on Amazon to double-check your measurements — it makes a difference. For the price, this suit is absolutely worth it and I’d buy it again.
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Reviewed in the United States on December 3, 2025
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Brad Nuzum
Birmingham, US
★★★★★ 5
Top notch suit
Material quality was too notch well worth the money. The size was true to size in all areas. Very stylish suit and so many compliments on it.
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Reviewed in the United States on November 16, 2025
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Ctfire
Belleville, US
★★★★★ 4
Looks great. Size ok.
Overall looks great. The fit was good other than the pants were a little too long and the adjustable bow tie strap was a little to short. I'm 5'9.5" and 170lbs with longer than average limbs for a comparison.
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Reviewed in the United States on December 17, 2024
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Trevor Helbert
Chelsea, US
★★★★★ 5
Great feel good suit
Size: Large, Color: Red With Goden
My husband looked so good in this. The color was popping. The size was true to fit and he’s very tall. Feels so soft and didn’t wrinkle at all. Very good material and fabric. Cheaper than I thought
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Reviewed in the United States on May 1, 2026
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ROBERT LASHLEY
Lowell, US
★★★★★ 5
Best Dressed in the building!
Size: XX-Large, Color: Black With Golden
Love this tux, got it for my daughters wedding. Good material and fits great.
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Reviewed in the United States on May 23, 2026

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