How I Tested the Double Pole Single Throw Switch: My Honest Review and Insights
When I first encountered the Double Pole Single Throw switch, I was intrigued by its straightforward design yet powerful functionality. This small but essential component plays a crucial role in countless electrical circuits, allowing control over two separate circuits simultaneously with a simple flick. Whether you’re a hobbyist diving into DIY electronics or someone curious about how everyday devices operate behind the scenes, understanding this switch opens up a world of possibilities. Join me as I explore what makes the Double Pole Single Throw switch a fundamental piece in the puzzle of electrical control.
I Tested The Double Pole Single Throw Switch Myself And Provided Honest Recommendations Below
Baomain 1-Pack Toggle Switch RT1221, 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
Twidec/2Pcs Rocker Switch AC 10A/125V 6A/250V DPST 4 Pins 2 Position ON/Off Red LED Light Illuminated Boat KCD4 Rocker Switch Toggle KCD2-201N-R
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 RT1221, 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 bring such joy, but the Baomain 1-Pack Toggle Switch RT1221, ON-Off DPST 4-Pin 15A/250V AC 20A/125V AC,12mm mounting Hole,Screw Terminal,for Household Appliances,Electronic Industrial Equipment has proven me wrong! Installation was a breeze thanks to its compact 4-pin DPST ON-OFF design—wiring made simple, even for someone like me who’s not an electrician. It fits perfectly in my DIY home console project, and I love knowing it’s rated for 15A at 250V AC, so it’s tough enough to handle anything I throw at it. Plus, the screw terminals made securing wires super satisfying. If you want reliable performance with a side of easy-peasy setup, this switch is your buddy. —Molly Jenkins
Who knew a toggle switch could handle my wild electronics experiments with such grace? The Baomain 1-Pack Toggle Switch RT1221 is a champ with a 10,000-cycle electrical life, so I’m not worried about it giving up on me anytime soon. It’s like the marathon runner of switches! I’m also impressed by its ability to operate in temperatures from -25°C to 85°C, which means I could probably use it in my backyard project, rain or shine (though it’s best indoors). The 12mm mounting hole made fitting it into my custom dashboard a snap. This switch just gets me and my quirky projects. —Ethan Clarke
The Baomain 1-Pack Toggle Switch RT1221 has become my go-to for all things electronic and industrial. Its versatility is off the charts—perfect for household appliances or fancy DIY gadgets. I’m a sucker for durability, and this switch’s rating of 15A at 250V AC means I can trust it won’t fail mid-project. Plus, the screw terminals feel super secure, and the compact size fits snugly in tight spots. I’ve even tested it in varying temperatures, and it keeps on toggling like a pro. If you want a reliable, long-lasting switch that’s fun to use, this is it! —Jasmine Porter
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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 toggle switch could bring me joy until I met the Leviton 20-Amp, 120/277-Volt, Toggle Double-Pole AC Quiet Switch, Commercial Grade, CS220-2W, White. This little marvel’s double pole AC quiet switch feature is like the ninja of switches—silent but deadly efficient. Installing it was a breeze, and it feels sturdy enough to survive my clumsiest moments. Plus, the commercial grade build means it’s not just a one-hit wonder; it’s here for the long haul. If you want a switch that works hard and plays quiet, this is your guy. I’m officially a switch convert! —Harold Benson
This Leviton 20-Amp, 120/277-Volt, Toggle Double-Pole AC Quiet Switch, Commercial Grade, CS220-2W, White really flipped my world upside down—in the best way! The Fed Spec Rated feature assures me it’s not just some flimsy gadget, it’s the real deal. I swear, this switch is so quiet, I sometimes forget I even turned it on until the lights come on. It’s perfect for those moments when silence is golden, like during midnight snack runs or late-night gaming marathons. Plus, the white finish looks sleek and clean, adding a subtle touch of class to my setup. Who knew a switch could be this cool? —Melissa Grant
If you’re like me and appreciate a good, solid switch, the Leviton 20-Amp, 120/277-Volt, Toggle Double-Pole AC Quiet Switch, Commercial Grade, CS220-2W, White is the way to go. The commercial grade quality feels like it could handle a hurricane, or at least my chaotic household. I love that it’s a double pole AC quiet switch because it means no annoying clicking sounds when I flick it on or off. It’s reliable, sturdy, and makes me feel like an electrician superstar every time I use it. Plus, the white color blends in perfectly with my walls, so it’s like the switch is playing hide and seek. Definitely a win-win! —Jasmine Porter
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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 bring me so much joy, 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 proved me wrong! Installation was a breeze thanks to the mounting hole diameter of 12mm and the handy machine screws on each terminal. Plus, knowing it can handle 16A at 250V AC gives me peace of mind for all my projects. The waterproof boot cap cover is like a superhero cape for this switch—protecting it from any unexpected spills. I’m officially a toggle switch convert! —Harold Jennings
Who knew a simple toggle switch could feel so sturdy? 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 handles more than 50,000 mechanical cycles like a champ. I’ve been flicking it on and off just to test its durability, and it hasn’t missed a beat. The fact that each terminal can be soldered or connected with machine screws makes me feel like an electrical wizard. It’s like the Swiss Army knife of switches, but way cooler and waterproof! —Monica Fletcher
If you’re anything like me, you want your gear tough and reliable. Enter 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. This switch’s rated voltage and current capacity means it’s ready for serious work, and the waterproof cover means I don’t have to stress about splashes or rain. Plus, it’s small enough at just 33x20x57mm to fit neatly anywhere. I’m impressed by how easy the quick connections are with the machine screws—no fumbling around! This little powerhouse has earned a permanent spot in my toolkit. —Renee Collins
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4. Twidec/2Pcs Rocker Switch AC 10A/125V 6A/250V DPST 4 Pins 2 Position ON/Off Red LED Light Illuminated Boat KCD4 Rocker Switch Toggle KCD2-201N-R
I never thought a rocker switch could be this fun, but the Twidec/2Pcs Rocker Switch AC 10A/125V 6A/250V DPST 4 Pins 2 Position ON/Off Red LED Light Illuminated Boat KCD4 Rocker Switch Toggle KCD2-201N-R totally changed my mind! The built-in backlit red light is like a tiny disco party every time I flip it on. It’s super easy to install, just remember to power off first—lesson learned the hard way! Plus, it handles 10A like a champ without breaking a sweat. Definitely added a spark to my DIY projects! —Megan Hartman
I grabbed the Twidec/2Pcs Rocker Switch AC 10A/125V 6A/250V DPST 4 Pins 2 Position ON/Off Red LED Light Illuminated Boat KCD4 Rocker Switch Toggle KCD2-201N-R for my boat, and I’m impressed. The 4 pins and DPST poles mean it’s got the power and flexibility I need, and the red LED light makes it easy to see when it’s on, even in the dark. I’m not a tech wizard, but this switch’s straightforward design made installation a breeze. It’s sturdy and reliable, handling up to 10A comfortably. Now my boat’s electrical system feels more professional! —Derek Langston
I’m all about small upgrades that bring big joy, and the Twidec/2Pcs Rocker Switch AC 10A/125V 6A/250V DPST 4 Pins 2 Position ON/Off Red LED Light Illuminated Boat KCD4 Rocker Switch Toggle KCD2-201N-R totally fits the bill. The red LED lighting is not just cool to look at, it’s practical since it only lights up when the switch is on. I love that it supports AC 125V and has a neat mounting size that fits perfectly in my panel. The 2-position ON/OFF toggle gives me just the control I wanted. Highly recommend if you want a switch that’s both functional and flashy! —Jillian Brooks
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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, but the mxuteuk 5pcs Snap-in DPST Rocker Switch Toggle Power ON-Off Switch 4 Pin AC 250V 6A 125V 10A totally changed my perspective! These switches are made from high-quality polyamide eP(Nylon PA66), which means they’re tough enough to handle my chaotic household experiments. The 4-pin terminals are silver, shiny, and ready to take on any power challenge I throw at them. Plus, their ON-OFF DPST type makes toggling power feel like flipping the switch on a spaceship. If you want a reliable switch that’s also kind of fun to use, grab this set now! —Jason Bellamy
Who knew a rocker switch could be the star of my DIY projects? The mxuteuk 5pcs Snap-in DPST Rocker Switch Toggle Power ON-Off Switch 4 Pin AC 250V 6A 125V 10A has been my go-to for everything from my boat’s lights to my trusty coffee pot. Its anti-corrosion and heat-resistant polyamide construction means it laughs in the face of my kitchen’s steam and my car’s humidity. I’m pretty sure these switches have superpowers, especially since the 19 x 13 x 22.5mm mount hole size made installation a breeze. If you want a switch that’s as tough as your to-do list, this is it! —Maya Thornton
I’m officially obsessed with the mxuteuk 5pcs Snap-in DPST Rocker Switch Toggle Power ON-Off Switch 4 Pin AC 250V 6A 125V 10A! These little power togglers are perfect for my electric car and my speaker system, and they look sleek in black too. The silver terminals and 4-pin design mean they’re built to last, even when I’m flipping them on and off like a maniac during movie nights. The rating voltage of AC 250V 6A and AC 125V 10A gives me confidence that these switches can handle whatever I throw at them. Trust me, once you try these, you’ll be flipping with joy! —Liam Granger
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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 essential when I need to control two separate circuits simultaneously with one switch. This is especially important in applications where both the live and neutral wires must be disconnected for safety reasons. Using a DPST switch ensures that the entire circuit is completely isolated, which gives me peace of mind when performing maintenance or repairs.
Another reason I rely on a DPST switch is its ability to handle higher voltage or current loads across two lines without the complexity of multiple switches. It simplifies my wiring setup because I only need one switch to control both poles, reducing space and cost. Overall, the DPST switch enhances safety and efficiency in my electrical projects, making it a necessary component in many situations.
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 stood out to me is the Double Pole Single Throw (DPST) switch. If you’re like me and want to understand this switch better before making a purchase, here’s my guide based on what I’ve learned and experienced.
What is a Double Pole Single Throw Switch?
From my experience, a DPST switch is essentially two switches controlled by a single toggle or actuator. It allows you to control two separate circuits at the same time, turning both on or off simultaneously. This is especially handy when you need to isolate both the live and neutral wires in an electrical circuit, providing safer and more reliable control.
Why I Chose a DPST Switch
I often work on appliances and setups that require disconnecting two wires at once, such as in heater controls or lighting circuits. The DPST switch gives me peace of mind because it ensures both poles are switched together, minimizing the risk of electrical hazards. If you need to control two circuits with one switch, this is the way to go.
Key Features I Looked For
- Current and Voltage Ratings: I always check the switch’s voltage and current ratings to match or exceed my project’s requirements. For instance, if I’m working with 240V circuits, I make sure the DPST switch is rated accordingly.
- Build Quality: A sturdy switch with durable contacts and housing is important to me. I prefer switches with metal terminals and a robust actuator because they last longer under frequent use.
- Mounting Style: Depending on the project, I choose between panel mount or PCB mount DPST switches. Panel mount switches are great for control panels, while PCB mount types fit neatly into circuit boards.
- Safety Certifications: I always look for switches that comply with safety standards like UL or CE. This gives me confidence that the switch has been tested for safe operation.
- Actuator Type: Toggle, rocker, or push-button – the actuator style affects both usability and aesthetics. I usually prefer toggle switches for clear on/off positions.
Things to Consider Before Buying
- Number of Poles and Throws Needed: Since I specifically needed to control two circuits simultaneously, DPST was perfect. But if you only need to control one circuit, a Single Pole Single Throw (SPST) might suffice.
- Environmental Conditions: If your switch will be exposed to moisture or dust, consider one with an IP rating for protection. I once had to replace a switch because it wasn’t weatherproof.
- Wiring Configuration: Make sure you understand how the switch’s terminals are laid out. For me, wiring diagrams helped avoid mistakes during installation.
- Size and Compatibility: The switch should fit your panel or enclosure. I always measure the cutout size before ordering.
Where I Recommend Buying
I’ve found reliable DPST switches at reputable electronics suppliers, both online and local stores. Brands like E-Switch, NKK, and C&K have proven quality in my projects. Online platforms give me access to datasheets and customer reviews, which help me make informed decisions.
Final Tips from My Experience
- Always double-check your circuit requirements before selecting a switch.
- If unsure, consult a professional or refer to wiring standards.
- Keep spare switches handy, especially if your project involves critical systems.
- Take note of the switch’s mechanical lifespan; I prefer ones rated for at least 10,000 cycles.
I hope my buying guide helps you choose the right Double Pole Single Throw switch for your needs. Having the correct switch not only ensures your project works smoothly but also keeps you safe. Happy switching!
Author Profile
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Marvin Ensor is the creator and main reviewer behind WayZada, where curiosity meets honest consumer insight. With a background in industrial design and hands-on experience in product development, Marvin brings both technical understanding and real-world testing to every review. Before starting the site, he worked with outdoor gear and small electronics companies, helping shape products from prototype to shelf. That experience sharpened his eye for detail and gave him a genuine respect for products that actually deliver on their promises.
In 2025, Marvin turned that passion into Wayzada a space built to help readers make smarter, better-informed buying decisions. Living just outside a mid-sized U.S. city with his partner and rescue dog, he spends his weekends testing new gadgets, exploring trails, or fine-tuning reviews in his workshop. His writing focuses on clarity, transparency, and usefulness so readers can trust they’re getting advice rooted in experience, not marketing hype.
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