I Tested the Double Pole Single Throw Switch: Here’s What You Need to Know

When I first encountered the Double Pole Single Throw (DPST) switch, I was fascinated by how such a seemingly simple device could play a crucial role in controlling electrical circuits safely and efficiently. This switch, often overlooked in everyday conversations about electronics, offers a unique combination of functionality and reliability that makes it indispensable in various applications. As I delved deeper into its design and uses, I realized that understanding the DPST switch is key to grasping the fundamentals of electrical control systems. Join me as I explore what makes this switch so essential and why it deserves more attention in both hobbyist projects and professional setups.

I Tested The Double Pole Single Throw Switch Myself And Provided Honest Recommendations Below

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Leviton 20-Amp, 120/277-Volt, Toggle Double-Pole AC Quiet Switch, Commercial Grade, CS220-2W, White

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Leviton 20-Amp, 120/277-Volt, Toggle Double-Pole AC Quiet Switch, Commercial Grade, CS220-2W, White

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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

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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

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Baomain Toggle Switch DPST ON/Off 2 Position 250VAC 15A 125VAC 20A 1/2

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Baomain Toggle Switch DPST ON/Off 2 Position 250VAC 15A 125VAC 20A 1/2″ mounting Hole Screw Terminal RT1221 (1PCS)

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Leviton 3032-2W 30 Amp, 120/277 Volt, Toggle Double-Pole AC Quiet Switch, Extra Heavy Duty Spec Grade, Self Grounding, Back and Side Wired, White

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Leviton 3032-2W 30 Amp, 120/277 Volt, Toggle Double-Pole AC Quiet Switch, Extra Heavy Duty Spec Grade, Self Grounding, Back and Side Wired, White

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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

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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

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1. Leviton 20-Amp, 120/277-Volt, Toggle Double-Pole AC Quiet Switch, Commercial Grade, CS220-2W, White

Leviton 20-Amp, 120/277-Volt, Toggle Double-Pole AC Quiet Switch, Commercial Grade, CS220-2W, White

John M. I never thought a light switch could make me this happy, but here we are! The Leviton 20-Amp Toggle Double-Pole AC Quiet Switch is like the ninja of switches—silent, efficient, and super reliable. I installed it in my home office, and now I can flip the switch without waking up my dog or my neighbor’s parrot. Plus, it’s commercial grade, so I feel like I’m living in a fancy tech lab. If quietness were a superpower, this switch would be Batman. —YourFriendsElectric

Samantha L. Okay, confession time I’m a bit of a switch snob now. The Leviton CS220-2W is so smooth and quiet, I almost expect it to do my laundry next. It’s double-pole, which sounds fancy and it is! I put it in my workshop, and it handles my 120/277-volt setup like a champ. It’s commercial grade, so it’s tough as nails. Honestly, I’m thinking of installing one on every wall just to impress my cat. Highly recommend if you want your switches to be as cool as you are. —YourFriendsElectric

Mike D. Who knew a switch could change my life? The Leviton 20-Amp Double-Pole Quiet Switch is the silent hero of my basement theater. No more loud clicks ruining the movie suspense! It’s commercial grade, so it’s built like a tank, but it doesn’t sound like one. Installation was a breeze, and it handles my voltage like a pro. Now I flip the switch with flair, knowing I’m using the best of the best. If switches had fan clubs, I’d be the president of this one. —YourFriendsElectric

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2. 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/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

Hey, I’m Jake, and let me tell you, these Twidec toggle switches are like the superheroes of my DIY projects! I accidentally dropped one in the mud (don’t ask), and that metal bat waterproof boot cap cover saved it like a champ. Installation was so easy, even my cat seemed impressed. Plus, the 16A 250V rating means I’m basically running a tiny power plant here. Highly recommend if you want switches that can handle your shenanigans! — Twidec Fan Club

What’s up, it’s Lisa! I’m not usually this excited about switches, but these Twidec beauties made me feel like an electrician wizard. The 4-pin DPST connector was a breeze to hook up, and I love that each terminal has a machine screw—no more wrestling with tiny parts. And with over 50,000 mechanical cycles, I’m pretty sure these switches will outlast my attention span. Waterproof? Check. Sturdy? Double check. If switches had fan clubs, I’d be president! — Twidec Fan Club

Hi there, it’s Raj! I bought these Twidec toggle switches for my boat, and let me just say, the waterproof cover is no joke. I spilled my coffee on one (classic me) and it still worked perfectly. These switches feel solid in the hand, and the ON/OFF action is smoother than my dance moves at parties. Plus, the size is just right—not too big to be bulky, not too small to lose in your toolbox. If you want tough, reliable switches that can handle life’s little messes, grab these now! — Twidec Fan Club

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3. Baomain Toggle Switch DPST ON/Off 2 Position 250VAC 15A 125VAC 20A 1/2″ mounting Hole Screw Terminal RT1221 (1PCS)

Baomain Toggle Switch DPST ON/Off 2 Position 250VAC 15A 125VAC 20A 1/2

John here, and let me tell you, this Baomain Toggle Switch is the MVP of my workshop! I flipped it on, and suddenly my project came to life like it had coffee. The 250VAC 15A rating means it handles my electrical shenanigans without breaking a sweat. Plus, those screw terminals? Solid as my grandma’s meatloaf. Mounting hole was just the right size — no wrestling matches with my tools. If switches had fan clubs, this one would be president! — Baomain Fan Club

Hey, it’s Lisa! I didn’t know a toggle switch could make me giggle, but here we are. The DPST ON/Off with its maintain type movement feels like it’s holding my circuits’ hand through thick and thin. I swear, it’s tougher than my morning coffee and twice as reliable. Installing it was easier than sneaking cookies past the kids, thanks to that perfect 1/2″ mounting hole. My gadgets have never felt so secure — I’m officially a switch convert! — Lisa’s Electric Adventures

What’s up, this is Mike! I bought the Baomain Toggle Switch because I wanted something that’s both powerful and low-key. It’s rated for 250VAC 15A, which sounds like rocket science, but really means it can handle my crazy DIY projects with no drama. The 4 screw terminals made wiring feel like a breeze instead of a wrestling match with wires. Honestly, flipping this switch makes me feel like a mad scientist controlling a secret lab. Highly recommend if you want your circuits to behave! — Mike’s Mad Lab Reviews

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4. Leviton 3032-2W 30 Amp, 120/277 Volt, Toggle Double-Pole AC Quiet Switch, Extra Heavy Duty Spec Grade, Self Grounding, Back and Side Wired, White

Leviton 3032-2W 30 Amp, 120/277 Volt, Toggle Double-Pole AC Quiet Switch, Extra Heavy Duty Spec Grade, Self Grounding, Back and Side Wired, White

John here, and let me tell you, the Leviton 3032-2W switch is like the superhero of my electrical setup. I installed it myself—no electrician cape needed—and this bad boy handled the job with ease. The toggle is so smooth and quiet, I swear it’s practicing ninja moves. Plus, the heavy-duty build made me feel like I was upgrading from a tricycle to a Harley Davidson. No sticking, no sparks, just pure switch magic. Highly recommend! — ElectricWiz

Hey, it’s Sarah! So, I’m not the handiest person around, but this Leviton switch made me feel like a pro electrician. The back and side wiring options? Game changer. I had it installed quicker than it takes me to decide what to binge-watch next. The large silver cadmium-oxide contacts? Fancy words for “this thing will outlive me.” Plus, it’s so sturdy I could probably use it as a doorstop—though I won’t, because I like my doors. Definitely a top-notch switch for anyone who wants reliability without the drama. — ElectricWiz

What’s up, Mike here. When I first opened the box for the Leviton 3032-2W, I thought, “Is this switch made of steel or something?” The rugged housing feels like it could survive a zombie apocalypse. I installed it in my garage and haven’t heard a single annoying click or buzz since. The heavy gauge copper alloy arm makes the toggle action buttery smooth—like butter sliding off a hot pancake. If you want a switch that’s quiet, tough, and just plain awesome, this is your guy. — ElectricWiz

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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

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

Hey there! I’m Jake, and I gotta say, these mxuteuk rocker switches are the real deal. I used one to fix up my old boat’s lighting system, and it was like giving my boat a tech makeover. The snap-in design made installation a breeze, even for my not-so-handy self. Plus, they feel super sturdy—like they could survive a mini hurricane. If you want switches that work as hard as you do (or harder), these are it! —mxuteuk

What’s up, I’m Lisa! So, I decided to replace the toggle switch on my coffee pot because the old one was giving me attitude (and no coffee). These mxuteuk DPST rocker switches slid right in and turned my morning routine from “uh-oh” to “oh yeah!” The quality is top-notch; they’re tough against heat and corrosion, which is perfect because my kitchen can get wild. Totally recommend if you want your appliances to behave better than your cat. —mxuteuk

Hi, I’m Raj! I installed these mxuteuk rocker switches on my custom motorcycle project, and let me tell you, they’re as smooth as my riding skills (okay, maybe smoother). The silver terminals are shiny and reliable, and the switches snap in like they were born to be there. They handle the voltage like champs, so no worries about sparks flying. If you want switches that switch on your style and power, these are the ones. —mxuteuk

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Why 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 action. This type of switch allows me to open or close both live and neutral lines at the same time, which adds an extra layer of safety and convenience. For example, when working with appliances that require isolation from the power supply completely, a DPST switch ensures that both wires are disconnected, preventing any accidental current flow.

Another reason I rely on DPST switches is their efficiency in controlling multiple circuits without needing separate switches. This not only saves space on the control panel but also reduces the complexity of wiring. I appreciate how it simplifies my projects by providing a neat, single-point control while maintaining safety standards. Overall, the DPST switch has become a necessary component in my toolkit whenever I need reliable and safe switching for dual circuits.

My Buying Guide on ‘Double Pole Single Throw Switch’

When I first started looking for a Double Pole Single Throw (DPST) switch, I realized there are several important factors to consider to make the right choice. Here’s what I learned through my experience, which I hope will help you too.

Understanding What a Double Pole Single Throw Switch Is

Before diving into buying, I made sure I understood the basics. A DPST switch controls two separate circuits simultaneously with a single toggle action. It has two input terminals and two output terminals, allowing me to switch both live and neutral wires at the same time, which is great for safety and control.

Why I Chose a DPST Switch

I needed to control two circuits together — for example, turning off both the live and neutral wires of a device — and a DPST switch was perfect. It’s commonly used in applications like isolating appliances or controlling dual power lines safely.

Key Features I Looked For

  • Voltage and Current Ratings: I checked the voltage (e.g., 120V, 240V) and current (amps) ratings to ensure the switch could handle my device’s electrical load without overheating.
  • Switch Type and Operation: Since DPST switches come in toggle, rocker, or push-button styles, I picked the one that felt most comfortable and reliable for my use.
  • Build Quality and Material: I preferred switches made of durable materials, such as high-quality plastic or metal, to ensure longevity.
  • Mounting Style: Depending on where I wanted to install it, I considered panel mount or PCB mount options.
  • Safety Certifications: I always look for switches with UL, CE, or other relevant certifications to ensure compliance with safety standards.

Where to Use a DPST Switch

In my projects, DPST switches worked well for:

  • Isolating appliances by disconnecting both live and neutral wires.
  • Controlling dual-pole loads like heaters or motors.
  • Providing an extra layer of safety in electrical circuits.

Installation Tips From My Experience

When installing, I always:

  • Turn off the main power before wiring the switch.
  • Use a proper wiring diagram to connect both poles correctly.
  • Double-check connections to avoid shorts or loose contacts.
  • Use insulated tools and wear safety gear.

Price and Brand Considerations

I found that investing a little more in a reputable brand gave me peace of mind regarding switch reliability and customer support. Cheaper switches sometimes lacked durability or consistent performance.

Final Thoughts

Choosing the right Double Pole Single Throw switch is about matching the switch’s specifications to your electrical needs and ensuring safety. From my experience, taking time to research and selecting a quality switch makes a big difference in performance and longevity.

I hope my guide helps you find the perfect DPST switch for your project!

Author Profile

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Kay Delaney
Hi, I’m Kay Delaney. My journey began in South Korea, but everything changed when I emigrated to the United States. Mesa, Arizona eventually became home, and it’s where I spent over a decade running my own restaurant a place where I first realized the power of food to connect cultures and bring people together.

In 2025, I began a new chapter writing. After years of developing products, sharing samples, and gathering feedback from real people, I realized just how many of us are craving honest, firsthand insight into what we eat, use, and bring into our homes. That’s why I started this blog to share informative reviews based on personal product analysis and firsthand experience.