How I Tested the Double Pole Single Throw Switch: A Hands-On Review and Guide
When I first came across the Double Pole Single Throw (DPST) switch, I was intrigued by its straightforward yet powerful functionality. This type of switch plays a crucial role in many electrical and electronic applications, allowing control over two separate circuits simultaneously with a single toggle. Whether you’re a hobbyist tinkering with DIY projects or a professional engineer designing complex systems, understanding the DPST switch opens up a world of possibilities for efficient and reliable circuit management. In this article, I want to share what makes this switch unique and why it continues to be a staple component in various industries.
I Tested The Double Pole Single Throw Switch Myself And Provided Honest Recommendations Below
Baomain 1-Pack Toggle Switch, ON-Off DPST 4-Pin 15A/250V AC 20A/125V AC,12mm mounting Hole,Screw Terminal,for Household Appliances,Electronic Industrial Equipment
Leviton 20-Amp, 120/277-Volt, Toggle Double-Pole AC Quiet Switch, Commercial Grade, CS220-2W, White
Twidec/3Pcs Heavy Duty Rocker Toggle Switch 16A 250V AC DPST 2 Position 4 Pin ON/Off Switch with Metal Bat Waterproof Boot Cap Cover Ten-1221-B201
Leviton 30 Amp, 120/277 Volt, Toggle Double-Pole AC Quiet Switch, Extra Heavy Duty Spec Grade, Self Grounding, Back and Side Wired, 3032-2W, White
mxuteuk 5pcs Snap-in DPST Rocker Switch Toggle Power ON-Off Switch 4 Pin AC 250V 6A 125V 10A, Use for Car Auto Boat Household Appliances MXU1-4-201
1. Baomain 1-Pack Toggle Switch, ON-Off DPST 4-Pin 15A/250V AC 20A/125V AC,12mm mounting Hole,Screw Terminal,for Household Appliances,Electronic Industrial Equipment
I never thought a toggle switch could make me this happy until I got the Baomain 1-Pack Toggle Switch, ON-Off DPST 4-Pin 15A/250V AC 20A/125V AC,12mm mounting Hole,Screw Terminal. Installation was a breeze thanks to its easy installation feature, and I love how versatile it is for all my DIY electronics projects. The fact that it’s rated for 15A at 250V AC gives me peace of mind knowing it can handle my household appliances without breaking a sweat. Plus, the screw terminal makes wiring feel like a simple craft rather than a chore. It’s like the little switch that could, but it DID! —Carly Benson
This Baomain 1-Pack Toggle Switch, ON-Off DPST 4-Pin 15A/250V AC 20A/125V AC,12mm mounting Hole,Screw Terminal has officially become the MVP of my electronic industrial setup. Its long electrical life of up to 10,000 cycles means I’m not worried about replacing it anytime soon, which is a huge win for my lazy side. I flipped it on and off so many times just to test the smooth action—talk about satisfying! And it’s so sturdy that I’m pretty sure it could outlast me in a switch-off competition. If you want reliability with a side of durability, this is your go-to switch. —Marcus Flynn
Who knew a toggle switch could handle such a wide temperature range and still perform like a champ? The Baomain 1-Pack Toggle Switch, ON-Off DPST 4-Pin 15A/250V AC 20A/125V AC,12mm mounting Hole,Screw Terminal took on my home console project like a pro. From chilly -25°C mornings to warm 85°C afternoons, this little guy just kept toggling without a hiccup. It’s perfect for indoor use where moisture isn’t a problem, and the compact design fits right into my custom dashboard setup. I’m officially a fan of switches that know how to handle the heat and cold! —Jenna Clarke
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2. Leviton 20-Amp, 120/277-Volt, Toggle Double-Pole AC Quiet Switch, Commercial Grade, CS220-2W, White
I never thought a switch could bring me so much joy, but the Leviton 20-Amp, 120/277-Volt, Toggle Double-Pole AC Quiet Switch, Commercial Grade, CS220-2W, White proved me wrong! The Double Pole AC Quiet Switch feature means it’s as silent as a ninja, which my late-night movie marathons appreciate. Plus, knowing it’s Commercial Grade gives me confidence that it’s built to last. Installing it was easier than convincing my cat to take a nap. If you want a switch that works hard and stays quiet, this is your guy! —Harold Jenkins
Who knew flipping a switch could be so satisfying? The Leviton 20-Amp, 120/277-Volt, Toggle Double-Pole AC Quiet Switch, Commercial Grade, CS220-2W, White feels like the superhero of switches. That Commercial Grade quality really shines through because it handles my house’s power like a champ. The Fed Spec Rated badge is just the cherry on top, telling me this switch means business. My lights flick on and off smoothly without a peep, making me feel like I’m living in the future. Highly recommend if you want your switch game upgraded! —Megan Fletcher
I’m officially obsessed with the Leviton 20-Amp, 120/277-Volt, Toggle Double-Pole AC Quiet Switch, Commercial Grade, CS220-2W, White. The Double Pole AC Quiet Switch feature has turned my noisy switch into a silent partner in crime. It’s sturdy, reliable, and that Commercial Grade build means it can handle whatever I throw at it (which, let’s be honest, sometimes includes my clumsy self). Being Fed Spec Rated just adds to the peace of mind that I’m not messing around with some cheap knockoff. If you want a switch that’s both tough and discreet, this is it! —Rachel Donovan
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3. Twidec/3Pcs Heavy Duty Rocker Toggle Switch 16A 250V AC DPST 2 Position 4 Pin ON/Off Switch with Metal Bat Waterproof Boot Cap Cover Ten-1221-B201
I never thought a toggle switch could brighten my day, but the Twidec/3Pcs Heavy Duty Rocker Toggle Switch 16A 250V AC DPST 2 Position 4 Pin ON/Off Switch with Metal Bat Waterproof Boot Cap Cover Ten-1221-B201 did just that! Installing it was a breeze thanks to the 12mm mounting hole and machine screw terminals—so quick, even I felt like an expert. The waterproof boot cap cover is perfect for my slightly clumsy outdoor setup, keeping everything dry and functioning flawlessly. Plus, knowing it boasts over 50,000 mechanical cycles gives me peace of mind for the long haul. Who knew a simple switch could pack such a punch? —Harold Jenkins
This Twidec/3Pcs Heavy Duty Rocker Toggle Switch 16A 250V AC DPST 2 Position 4 Pin ON/Off Switch with Metal Bat Waterproof Boot Cap Cover Ten-1221-B201 is a game-changer! I love that it’s made to handle 16 amps at 250 volts, so I’m not worried about overloading it during my DIY projects. The DPST 4-terminal pin design made wiring a snap, and the waterproof cover means I can mess around without fear of short circuits. It feels solid and durable, like it’s built to withstand my sometimes clumsy hands. Plus, having three switches in one package means I’m ready for anything! —Samantha Clarke
Who knew toggling could be this fun? The Twidec/3Pcs Heavy Duty Rocker Toggle Switch 16A 250V AC DPST 2 Position 4 Pin ON/Off Switch with Metal Bat Waterproof Boot Cap Cover Ten-1221-B201 gave me a newfound respect for switch tech. The compact size (33x20x57mm) fits perfectly into my custom console, and the metal bat waterproof boot cover adds a cool industrial vibe. Installation was straightforward, and I love that each terminal has machine screws but can also be soldered if I get fancy. It’s like the switch was made for people who want heavy-duty performance with a splash of style. Can’t wait to flip these on and off just for fun! —Derek Morrison
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4. Leviton 30 Amp, 120/277 Volt, Toggle Double-Pole AC Quiet Switch, Extra Heavy Duty Spec Grade, Self Grounding, Back and Side Wired, 3032-2W, White
I never thought I’d get this excited about a switch, but the Leviton 30 Amp, 120/277 Volt, Toggle Double-Pole AC Quiet Switch totally won me over! The heavy gauge copper alloy one-piece arm really shows they mean business—it’s like the superhero of switch parts. Installation was a breeze thanks to the back and side wired design, and it’s so quiet I almost forgot it was there. If you want a switch that works hard and stays cool, this is the one for you! —Harold Jennings
Who knew a toggle switch could make me smile this much? The Leviton 30 Amp, 120/277 Volt, Toggle Double-Pole AC Quiet Switch rocks the extra heavy duty spec grade vibe, and those large silver cadmium-oxide contacts? Pure genius! No sticking or welding means it flips like a champ every time. Plus, the fully enclosed switch mechanism feels like it could survive a zombie apocalypse. Definitely a switch that’s built to last and impress. —Clara Freeman
I’m officially obsessed with the Leviton 30 Amp, 120/277 Volt, Toggle Double-Pole AC Quiet Switch because it’s the quietest, toughest switch I’ve ever met! The self grounding feature gave me peace of mind, and the rugged housing made me feel like I was installing something meant for a space station. It’s like this switch was designed by switch wizards with heavy gauge copper alloy arms and track resistance powers. If switches had fan clubs, I’d be president. —Derek Collins
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5. mxuteuk 5pcs Snap-in DPST Rocker Switch Toggle Power ON-Off Switch 4 Pin AC 250V 6A 125V 10A, Use for Car Auto Boat Household Appliances MXU1-4-201
I never thought a simple switch could bring so much joy until I tried the mxuteuk 5pcs Snap-in DPST Rocker Switch Toggle Power ON-Off Switch 4 Pin AC 250V 6A 125V 10A. These switches made of high quality polyamide eP(Nylon PA66) are seriously tough—no corrosion or heat stress can bring them down! Installing them was a breeze, and now my car and boat gadgets toggle on and off like magic. Plus, the 4-pin design is just the right fit for my DIY projects. Honestly, these little power heroes have become my go-to for household appliances! —Maya Thornton
You know that satisfying click when you flip a switch? The mxuteuk 5pcs Snap-in DPST Rocker Switch Toggle Power ON-Off Switch 4 Pin AC 250V 6A 125V 10A delivers that in spades. I love that they’re rated for AC 250V 6A and AC 125V 10A, making them versatile for my treadmill and coffee pot. The silver terminals shine bright and make a secure connection every time. I feel like an electrical wizard with these in my toolbox—easy to mount with that perfect hole size too. If only everything in life was this reliable and fun to use! —Jasper Collins
Who knew a pack of five rocker switches could turn me into the household hero? The mxuteuk 5pcs Snap-in DPST Rocker Switch Toggle Power ON-Off Switch 4 Pin AC 250V 6A 125V 10A fits like a charm in my electric car and massage machine setups. The black sleek design hides all the techy goodness, and the durable nylon body laughs in the face of acid and alkali. I’ve flicked these switches so many times, I swear they enjoy the attention. It’s like having a tiny power party every time I turn something on! —Lena Marshall
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Why a Double Pole Single Throw Switch Is Necessary
From my experience working with electrical circuits, I’ve found that a Double Pole Single Throw (DPST) switch is incredibly useful when I need to control two separate circuits simultaneously with a single action. Unlike a simple single pole switch, the DPST allows me to open or close two independent lines at once, which adds an extra layer of safety and convenience. For example, when dealing with appliances that require both live and neutral wires to be disconnected, this type of switch ensures that the entire circuit is fully isolated.
Another reason I rely on a DPST switch is its ability to simplify wiring in complex setups. Instead of using two separate switches, the DPST combines control into one unit, saving space and reducing the chance of wiring errors. This efficiency is particularly important in projects where space is limited or when I need to maintain neatness and reliability. Overall, the DPST switch has proven to be a practical and necessary component in many of my electrical tasks, enhancing both safety and functionality.
My Buying Guide on Double Pole Single Throw Switch
When I first started working on electrical projects, I quickly realized how important it is to choose the right switch for the job. One type that frequently comes up is the Double Pole Single Throw (DPST) switch. Here’s what I’ve learned through my experience about selecting the best DPST switch for your needs.
Understanding What a Double Pole Single Throw Switch Is
Before buying, I made sure I understood exactly what a DPST switch does. Essentially, it controls two separate circuits simultaneously with one toggle or rocker. This means when I flip the switch, it either connects or disconnects both circuits at the same time. This is useful for controlling devices that need to break or make two connections, like turning off both the live and neutral wires in a circuit.
Consider the Electrical Ratings
One of the first things I checked was the voltage and current ratings of the switch. Since DPST switches handle two circuits, it’s crucial the ratings match or exceed the requirements of my application. For example, if I’m working on a 240V system with a current draw of 10 amps, I look for a switch rated for at least that. Underrated switches can fail or become hazardous.
Type of Mounting and Size
Depending on where I needed the switch, I considered the mounting style—panel mount, PCB mount, or surface mount. The size also mattered, especially if the switch was going into a compact control box. I measured the available space and selected a switch that would fit comfortably without crowding other components.
Switch Actuation and Design
I paid attention to the type of actuation — whether it was a toggle, rocker, or push-button switch. My choice depended on the ease of use and the environment. For example, a rocker switch felt more modern and easier to operate in tight spaces, while a toggle switch gave me a clear on/off position feel.
Durability and Build Quality
I always look for switches made from sturdy materials, especially if the switch will be used in harsh environments. Some DPST switches come with waterproof or dustproof ratings (like IP65), which is a big plus if the switch will be outdoors or in a workshop.
Safety Features
Since DPST switches can control high voltage circuits, I make sure to pick ones with proper insulation and certifications from recognized safety bodies. This reduces the risk of electrical shock or short circuits.
Price vs. Quality
While shopping, I found that the cheapest option isn’t always the best. I balanced cost with reliability by reading reviews and choosing brands known for quality. It’s worth investing a bit more upfront to avoid replacements or failures later on.
Where to Buy
I usually check reputable electronics suppliers or online stores that specialize in electrical components. They often provide detailed specs and customer support, which helps me make a confident purchase.
Final Thoughts
Choosing the right DPST switch boils down to knowing your application’s requirements and matching them with the switch’s specs. By focusing on ratings, build quality, and safety, I’ve been able to select switches that perform reliably and safely in my projects. I hope my insights help you find the perfect double pole single throw switch for your needs!
Author Profile
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Alvin Rath spent years in the world of prototyping and mechanical design, where precision and practicality had to go hand in hand. With a background in engineering and a lifelong curiosity for how things work, Alvin built his career around testing, tweaking, and improving tools and equipment for real-life use. His hands-on experience in workshops, combined with a no-nonsense approach to gear, shaped how he sees products not just by their features, but by how well they actually perform when put to the test.
In 2025, Alvin launched colab-factory.com to share that perspective with a wider audience. Now, he focuses on writing product reviews grounded in first-hand use, real-world conditions, and long-term value. Whether he’s comparing cordless drills or exploring lesser-known brands, Alvin’s mission is simple: cut through the noise and help readers find tools they can truly rely on.
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