The 8 Best 20 A Disconnect Switches (2023 reviews)

If you often find yourself scrambling for good switch, powertec 20 a disconnect switch should be your first option for buying. It is perfect for craftsman and woodworkers of all skill levels. This one has a big paddle to turn it on and off, far better than the old switch. It provides enhanced workshop and power tool safety. The button is easy to hit and knock-in in order to shut off your tool.

This switch is an easy replacement, as the mounting is the same as the original switch. It is a double pole, single throw. It is suitable for multiple applications. The switch features a removable safety pull out to lock key to prevent accidental operations.

Why We Like This:

Well made product, reliable and suitable for multiple applications
Fit perfect and easy to change
Good quality switch, identical to oem

Best battery Switch: Gioyonil 20 A Disconnect Switch

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The gioyonil 20 a disconnect switch is specially designed for your daily usage and has all useful features. This battery cut off kill switch has four removable side plates that provide access to up to 1/0 cables. It is easy to install and there's access from 4 sides. The rear cover is insulating the rear terminals against any short circuits, ensuring that the switch meets abyc requirements. The studs are 3/8" and require a hex wrench, which is not included.

This disconnect switch has 4 removable side plates that provide access to up to 1/0 cables. It surface mounts with 1 5/8" dry wall screws or the included nut and bolt set. There are 4 side plates so you can run your wires in almost any direction without putting too much of a strain on your cables. They should be able to handle the current when briefly cranking a motor.

Why We Like This:

Uickly and easily shuts off power
Easy install if you have basic electrical skills
Looks clean and small enough to tuck away in a hidden place if needed
Nice and robust switch, works great, and holds power

Best For generator: AWBLIN 20 A Disconnect Switch

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Not everyone likes to purchase switch for their daily purpose, but the awblin 20 a disconnect switch would be an anomoly. It is not only a good heavy duty disconnect, but it comes with all the hardware for your wire prep, all for only $. It is universal used for rv, marine, car, boat, camper, travel trailer, truck, atv, utv battery and other engine applications, making it an effortless job of turning the battery on and off.

The heavy duty cut off switch is made of plastic housing and copper tin plating inner stud. It holds nice and tight. It includes easy to install and all parts. It is easy to mount due to large surface area which is flat on the back of the switch.

Why We Like This:

Feels sturdy and does what it is intended to do
Easy to turn on and off
Installed well, substantially made, solid feel
Comes with all you need to put a main disconnect

Best For tractors: Ampper 20 A Disconnect Switch

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Ampper is known for creating pragmatic and minimalist switch for people on the go, and its line of ampper 20 a disconnect switch definitely falls in line with that reputation. This is a sure fire cure for a vehicle experiencing dead batteries due to a parasitic drain. It shuts off any electricity coming out of the battery it is connected to, and it works. The switch is capable of handling normal current draw. It is used for weeks in order to preserve battery power. It can also serve as a deterrent to theft.

The installation is simple and it works great. They will die without an actual mechanical disconnect and that will ruin your battery pretty quickly. The switch comes wrapped in bubble wrap inside a hard hardboard box. It is good for auto, check setup for camping trailers.

Why We Like This:

Excellent, sturdy, easy to use device
New and hot release

Best For AC: Leviton 20 A Disconnect Switch

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The leviton 20 a disconnect switch might be a relatively new release, but it's still nothing short of impressive this year, thanks to multiple price cuts and added new features over the past few months. Industrial grade AC manual motor controllers provide safe, reliable control of a variety of motor loads. It provides a strong foundation and commitment to continuous improvement, high standards and innovation to the industry. It has more than 110 years of experience in electrical devices including over 30 years of experience in the home automation industry and data connectivity.

These motor controllers are available for both single-phase and three-phase applications. It works well as a point of use disconnect for multiple loads on one breaker. It helps to fix a need to turn on 3 rows of lights with only one switch. It provides clear actuation feedback and long-lasting durability.

Why We Like This:

Larger than a standard or 3-way swith
Useful for mini split systems when installer insist on interior disconnect
A lot easier to use than a three phase disconnect

Best With GFCI: Siemens 20 A Disconnect Switch

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We would, of course, be remiss if we didn't mention siemens 20 a disconnect switch for regular usage. This safety disconnect switch is a standard disconnect for low amperage 240 vac, used in shop electrical wiring, not intended for use in a car like a Prius. It can be used as a switch on a 208v or 240v circuit, it is making or breaking 2 separate 120v circuits. It works well for a spa gfci safety switch.

These switches are intended for use primarily with supply circuits rated 240v ac or less where the available fault current is less than 100, 000a when used with class r or t fuses, or 10, 000a max when used with class h fuses. It only has 2 poles and it has a ground block but with only 2 holes. The unit does not have a neutral or a ground bar.

Why We Like This:

Makes a good thunk when engaging
Compact size for easy handling and efficient space utilization
Worked well on 40amp gfci spa circuit
120 /240v, single phase, 2 wire, non-fusible safety switch

Best For air compressor: Schneider Electric 20 A Disconnect Switch

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Square d safety switches provide significantly higher levels of mechanical endurance than nema ks-1 require. It is great for air compressor or similar load. It reduces the amount of dust and other contaminates that shorten operating life. It is important to have a switch with enhanced load break capability.

The square d by schneider electric 30 amps 240 volts 2 pole general duty indoor safety switch is designed for residential and commercial applications where durability and economy are prime considerations. It has the design of the square d safety switch includes an oversized arc suppressor, a key feature in the ability of the switch to break the load by effectively attenuating the arc for clean interruption. It also has the common floating as well as the 2 hots. It is suitable for use as service entrance equipment when equipped with a service grounding kit.

Why We Like This:

Field-replaceable components such as interior line bases, load bases, and mechanisms are available
Nema type 1 metallic enclosure for indoor use
3 -wire design with 2 blades and fuse holders and 1 neutral

Best For water heater: GE 20 A Disconnect Switch

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Not everyone likes to purchase switch for their daily usage, but the ge 20 a disconnect switch would be an anomoly. There are other panels out there, this one has very easy to read ON OFF graphics that makes it easy to see and read. It can be used as a disconnect for water heater and does require 2 cartridge fuses.

Why We Like This: