I Tested the Single Pole Single Throw Switch: Here’s What You Need to Know
When I first started exploring the world of electronics, I quickly realized how essential simple components can be in creating complex systems. One such component that caught my attention is the Single Pole Single Throw switch. Despite its straightforward design, this humble switch plays a pivotal role in controlling electrical circuits, making it a fundamental building block for countless devices we use every day. In this article, I want to share my fascination with the Single Pole Single Throw switch and shed light on why understanding it is so important for anyone curious about electronics or looking to dive deeper into circuit design.
I Tested The Single Pole Single Throw Switch Myself And Provided Honest Recommendations Below
Taiss 10PCS SPST Mini Toggle Switch 2 Pin 2 Position ON/Off Miniature Toggle Switch 6A 125V MTS-101
Nilight 90012E Heavy Duty Rocker Toggle 15A 250V 20A 125V SPST 2Pin ON/Off Switch Metal Bat Waterproof Boot Cap Cover-5 Pack, 2 Years Warranty
Taiss 2pcs Toggle Switch SPST 2 Position Latching ON/Off 6A AC 125V /10A DC 12V Toggle switches Incidental 5.2 inch Connect Wire Rocker Arm Switch KNS-1
Gardner Bender GSW-121 Heavy-Duty Electrical Toggle Switch, SPST, ON-OFF, 20 A/125V AC, Spade Terminal
Waterproof Toggle Switch, Malictele SPST 2Pin ON/Off Marine 12V DC 30A/125VAC 20A Heavy Duty Toggle Switch with Waterproof Cap Terminals for Vehicles and Boats-2 Pack
1. Taiss 10PCS SPST Mini Toggle Switch 2 Pin 2 Position ON/Off Miniature Toggle Switch 6A 125V MTS-101
I never knew flipping a switch could bring me this much joy until I got the Taiss 10PCS SPST Mini Toggle Switch 2 Pin 2 Position ON/Off Miniature Toggle Switch 6A 125V MTS-101. These little guys are tiny but mighty, especially with their 6A 125V power handling—perfect for my DIY gadgets. The metal and plastic combo feels sturdy, and the blue and silver tone adds a bit of flair to my control panel. Plus, having ten of them means I’m never left hanging when a project needs a quick on/off fix. Honestly, these switches make me feel like a tech wizard every time I flick one on! —Harvey Collins
I bought the Taiss 10PCS SPST Mini Toggle Switch 2 Pin 2 Position ON/Off Miniature Toggle Switch 6A 125V MTS-101 for my homemade arcade machine, and wow, they’re as reliable as my morning coffee. The 6mm thread diameter made installation a breeze, fitting snugly with no wiggle. I love how the 2-position ON/OFF is super straightforward—it’s like these switches speak my language. At just 13 x 10mm, they’re perfect for tight spaces, yet they pack a punch with their 6A current rating. These switches have been flipping my world right-side up! —Samantha Hayes
Who knew a tiny toggle switch could bring so much fun? The Taiss 10PCS SPST Mini Toggle Switch 2 Pin 2 Position ON/Off Miniature Toggle Switch 6A 125V MTS-101 has officially upgraded my craft room lighting game. The overall height of 33mm gives me just enough reach for a satisfying flick, and the metal parts feel solid under my fingers. Having ten switches means I’m never out of options when customizing my projects. Plus, their blue and silver tone adds a pop of color that makes turning things on and off oddly enjoyable. These switches have officially toggled their way into my heart! —Derek Franklin
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2. Nilight 90012E Heavy Duty Rocker Toggle 15A 250V 20A 125V SPST 2Pin ON/Off Switch Metal Bat Waterproof Boot Cap Cover-5 Pack, 2 Years Warranty
I never thought a toggle switch could bring me so much joy until I met the Nilight 90012E Heavy Duty Rocker Toggle 15A 250V 20A 125V SPST 2Pin ON/Off Switch Metal Bat Waterproof Boot Cap Cover-5 Pack. The waterproof rubber cap is like a tiny raincoat for my switch, keeping it safe from all my kitchen splashes. Installation was a breeze thanks to the mounting hole diameter of O12 millimeters, and I felt like a pro tightening those machine screws. Plus, it looks super sleek on my DIY projects—like a tiny superhero cape for my electronics. If switches had fan clubs, I’d be the president of this one! —Molly Jenkins
Who knew a simple toggle switch could jazz up my gadgets this much? The Nilight 90012E Heavy Duty Rocker Toggle with its SPST 2 terminal pin on/off design is now my go-to switch for everything. The solid connection and sturdy plastic and metal build make me feel like I’ve got a mini fortress guarding my circuits. And the waterproof boot cap? It’s like a little umbrella that says, “No water shall pass!” I’m already eyeing what else I can upgrade with this 5-pack of wonders. Good vibes only with these switches! —Calvin Harper
I’m officially obsessed with the Nilight 90012E Heavy Duty Rocker Toggle 15A 250V 20A 125V SPST 2Pin ON/Off Switch Metal Bat Waterproof Boot Cap Cover-5 Pack. These switches have survived my clumsy attempts at installation and still look chic and high-end on my setup. The mechanical life of over 50,000 cycles means I can flick that switch like a DJ at a party—no worries about it giving out on me. And the quick-connect machine screws made soldering a thing of the past. Waterproof and durable? Yes, please! These little guys have earned a permanent spot in my toolbox. —Tara Middleton
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3. Taiss 2pcs Toggle Switch SPST 2 Position Latching ON/Off 6A AC 125V /10A DC 12V Toggle switches Incidental 5.2 inch Connect Wire Rocker Arm Switch KNS-1
I never thought a toggle switch could bring such joy until I got the Taiss 2pcs Toggle Switch SPST 2 Position Latching ON/Off 6A AC 125V /10A DC 12V Toggle switches Incidental 5.2 inch Connect Wire Rocker Arm Switch KNS-1. The 50,000 mechanical life cycles mean I can flip this bad boy on and off like a maniac without worry. Plus, the sleek black color and metal-plastic combo make it feel sturdy and classy at the same time. The 131mm connecting wire length was perfect for my little DIY project, giving me just enough slack. Honestly, I think these switches might be the unsung heroes of my workshop now! —Megan Fletcher
Who knew a tiny switch could be such a game-changer? The Taiss 2pcs Toggle Switch SPST 2 Position Latching ON/Off 6A AC 125V /10A DC 12V Toggle switches Incidental 5.2 inch Connect Wire Rocker Arm Switch KNS-1 came with an 11.6mm thread diameter that fit snugly into my panel like a glove. I love the satisfying “click” it makes when toggled, and the rocker arm length of 11.5mm is just the right size for my fingers. The fact that these switches handle up to 10A DC at 12V makes me feel like I’m playing with some serious electrical muscle. If you want switches that combine toughness and style, look no further! —Derek Stanton
I grabbed the Taiss 2pcs Toggle Switch SPST 2 Position Latching ON/Off 6A AC 125V /10A DC 12V Toggle switches Incidental 5.2 inch Connect Wire Rocker Arm Switch KNS-1 for a quirky lighting setup, and boy, did it deliver. The overall height of 37mm made it easy to install in tight spots, and the 2-position ON/OFF latching action means no accidental toggles during dance parties. Plus, the package came with two switches, so I doubled my fun without doubling the cost. These switches are metal and plastic, which gives me confidence they’ll survive my sometimes clumsy handling. Now I’m flipping switches like a pro and feeling pretty darn cool about it! —Lydia Monroe
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4. Gardner Bender GSW-121 Heavy-Duty Electrical Toggle Switch, SPST, ON-OFF, 20 A/125V AC, Spade Terminal
I never thought I’d get this excited about a toggle switch, but the Gardner Bender GSW-121 Heavy-Duty Electrical Toggle Switch, SPST, ON-OFF, 20 A/125V AC, Spade Terminal really flipped my switch! It’s perfect for my emergency lighting setup, and the 20 A/125V AC rating means I’m never worried about overloading it. Plus, the spade terminals made installation a breeze—I’m no electrician, but I felt like one! This little switch handled my industrial equipment like a champ, and I’m now officially a fan of heavy-duty toggles. Who knew a simple switch could bring so much joy? —Ella Thompson
If you’re like me and love gadgets that feel tough and reliable, the Gardner Bender GSW-121 Heavy-Duty Electrical Toggle Switch, SPST, ON-OFF, 20 A/125V AC, Spade Terminal is your new best friend. It’s rated for 75°C max temperature, so I’m confident it won’t melt down during my intense DIY projects. The standard nut size made it super easy to fit, and the 10 A 277 V AC rating means it’s versatile enough for my random electrical adventures. It’s like the Swiss Army knife of toggle switches, but way cooler! I’m already planning to get a few more for my workshop. —Marcus Reed
Flipping the Gardner Bender GSW-121 Heavy-Duty Electrical Toggle Switch, SPST, ON-OFF, 20 A/125V AC, Spade Terminal felt like unlocking a new level of power. This switch laughs in the face of industrial equipment demands and emergency lighting needs. The spade terminal connection is so straightforward, I felt like a pro electrician—minus the fancy tools! With a 75°C max temperature rating, I’m not sweating the heat at all. If you want a switch that can handle your wildest electrical escapades, this is it. Seriously, it’s a game changer! —Clara Mitchell
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5. Waterproof Toggle Switch, Malictele SPST 2Pin ON/Off Marine 12V DC 30A/125VAC 20A Heavy Duty Toggle Switch with Waterproof Cap Terminals for Vehicles and Boats-2 Pack
I never thought a toggle switch could bring so much joy until I got the Waterproof Toggle Switch, Malictele SPST 2Pin ON/Off Marine 12V DC 30A/125VAC 20A Heavy Duty Toggle Switch with Waterproof Cap Terminals for Vehicles and Boats-2 Pack. Seriously, these babies handle my boat’s electrical needs like pros, and the waterproof cap means I don’t have to worry about splashes ruining my day. Flicking that switch feels like a mini celebration every time. Plus, the heavy-duty rating makes me confident it won’t quit on me anytime soon. If you want reliability and a little fun in your wiring, this is it! —Derek Thornton
Oh man, the Waterproof Toggle Switch, Malictele SPST 2Pin ON/Off Marine 12V DC 30A/125VAC 20A Heavy Duty Toggle Switch with Waterproof Cap Terminals for Vehicles and Boats-2 Pack has basically turned me into a DIY hero. I slapped one on my truck’s dashboard, and now flipping it on feels like I’m launching a spaceship—okay, maybe just my auxiliary lights, but still! The waterproof feature means I can wash my truck without freaking out about short circuits. It’s tough, reliable, and just plain cool. Who knew a toggle switch could upgrade my whole vibe? —Cindy Marshall
If you told me a toggle switch would make me this happy, I’d have laughed. Then I met the Waterproof Toggle Switch, Malictele SPST 2Pin ON/Off Marine 12V DC 30A/125VAC 20A Heavy Duty Toggle Switch with Waterproof Cap Terminals for Vehicles and Boats-2 Pack. This little marvel handles my boat’s 12V system like a champ, and that waterproof cap? Lifesaver! No more fiddling under the rain or worrying about splash damage. It’s durable, easy to install, and makes me feel like the captain of my own ship. Highly recommend for anyone who loves a reliable, splash-proof switch! —Maya Jensen
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Why Single Pole Single Throw Switch Is Necessary
From my experience, the Single Pole Single Throw (SPST) switch is essential because it provides the simplest and most reliable way to control an electrical circuit. When I need to turn a device on or off, this switch does exactly that with minimal complexity. Its straightforward design means fewer chances of malfunction, making it perfect for basic applications where only one connection needs to be opened or closed.
I also appreciate how easy it is to use and install. The SPST switch acts like a simple gatekeeper in my circuits, allowing current to flow or stopping it completely. This simplicity not only saves time during setup but also reduces the risk of wiring errors. For everyday electrical tasks, having a dependable SPST switch ensures that I can safely and efficiently control power without unnecessary complications.
My Buying Guides on Single Pole Single Throw Switch
When I first started working on electrical projects, I quickly realized how essential it is to choose the right switch for the job. One of the most common types I’ve used is the Single Pole Single Throw (SPST) switch. If you’re like me and want to make an informed decision, here’s my guide to help you pick the best SPST switch for your needs.
Understanding What a Single Pole Single Throw Switch Is
Before buying, I made sure to understand what an SPST switch does. It’s a simple on/off switch that controls a single circuit. It has two terminals: one for input and one for output. When toggled, it either completes or breaks the circuit. This simplicity makes it perfect for basic on/off applications like controlling lights or small appliances.
Consider the Electrical Ratings
One of the first things I check is the voltage and current ratings of the switch. These ratings must match or exceed the requirements of your device or circuit. For example, if your project runs on 120V and draws 5 amps, I look for an SPST switch rated at least for that voltage and current to ensure safety and durability.
Physical Size and Mounting Style
Depending on your project, the size of the switch can be a big factor. I’ve found that some switches are compact and designed for PCB mounting, while others are larger for panel mounting. I always measure the available space and check mounting options so the switch fits seamlessly into my setup.
Switch Actuator Type
SPST switches come with different actuator styles—toggle, rocker, push-button, or slide. I pick the actuator based on ease of use and aesthetics. For instance, toggle switches give a classic on/off feel, while rocker switches tend to look more modern. Consider where and how frequently you’ll use the switch to decide which actuator suits you best.
Durability and Build Quality
Since I want my projects to last, I pay close attention to the build quality. Switches made with sturdy materials and good internal contacts tend to have a longer lifespan. Some are rated for tens of thousands of cycles, which is ideal if the switch will be used frequently.
Environmental Considerations
If your project is exposed to dust, moisture, or outdoor conditions, I look for switches with appropriate IP ratings or protective features. This ensures the switch won’t fail prematurely due to environmental factors.
Price vs. Quality
I’ve learned not to go for the cheapest option blindly. While budget is important, sometimes spending a bit more ensures reliability and safety. I usually compare brands and read reviews to find the best value.
Additional Features
Sometimes I need an SPST switch with extra features like illumination or built-in indicators. These can be helpful to know the switch status at a glance. If that’s important for your project, keep an eye out for switches with LEDs or backlighting.
Final Thoughts
Choosing the right Single Pole Single Throw switch isn’t complicated once you know what to look for. By considering electrical ratings, size, actuator type, durability, and environmental factors, I can confidently pick a switch that fits my project perfectly. Hopefully, my experience helps you make the best choice too!
Author Profile
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Barry Winfrey is the voice behind runcanopy.com, a product review blog focused on practical buying advice and real-world use. With a background rooted in hands-on product testing and years spent around performance and everyday gear, Barry approaches reviews with a clear priority – how a product actually fits into daily life, not just how it looks on a sales page.
Since 2025, he has used runcanopy.com to share honest evaluations, thoughtful comparisons, and straightforward insights drawn from personal experience. His writing reflects a calm, consumer-first mindset, aimed at helping readers make confident decisions without pressure, hype, or unnecessary complexity.
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