Leviton 1-Pole AC Quiet Toggle...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$2.60
Leviton 1-Pole AC Quiet Toggle Switch, 120/277V 20A, Specification Grade

Leviton 1-Pole AC Quiet Toggle Switch, 120/277V 20A, Specification Grade

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Model: CS120-2W

In Stock (leaves warehouse same day if ordered before 3pm ET)

$2.60
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Leviton 1-Pole AC Quiet Toggle Switch, 120/277V 20A, Specification Grade

The Leviton is a Commercial/Specification Grade toggle framed AC quiet switch, model 54521-2W, built for reliable 1-Pole switching in demanding professional environments. Rated 120/277V AC and 20-Amp, this white toggle switch delivers dependable performance for lighting and general-purpose circuits where quiet operation and specification-grade durability matter. Leviton engineers this device to meet the rigorous expectations of commercial, industrial, and light-industrial wiring projects.

Key Features

  • Electrical Rating: 120/277V AC, 20-Amp rating supports demanding commercial and industrial switching loads.
  • Pole Configuration: 1-Pole design provides straightforward, reliable on/off circuit control.
  • Quiet AC Toggle Mechanism: Framed AC quiet switch action minimizes operational noise in office, retail, and institutional settings.
  • Specification Grade Construction: Commercial/Specification Grade build quality is engineered for durability and consistent performance in high-use applications.
  • Finish: White toggle and faceplate finish for clean, standard aesthetics in professional installations.
  • Configuration Options: Compatible with multiple Leviton model variants including 54504-2-P, CS320-2W-P, 54521-2W-P, CS420-2-P, CS420-2I-P, CS320-2GY-P, 54523-2I-P, and CS120-2W-P.

Technical Specifications

  • list_batch: LEV-VARMACHINE-20260803
  • Grade: Specification
  • Voltage: 120/277V
  • Amperage: 20A
  • Pole: 1-Pole

Typical Applications

  • Commercial and Industrial Lighting Circuits
  • Office and Retail Switching Applications
  • Institutional and Educational Facility Wiring
  • Renovation and New Construction Electrical Projects
  • Specification-Grade Installations Requiring Quiet AC Switching

Why Leviton?

Leviton's Commercial/Specification Grade toggle switches are built to deliver consistent, quiet, and reliable switching performance across demanding professional environments. The 120/277V, 20-Amp rating and 1-Pole configuration make this device well-suited for code-compliant commercial and industrial electrical work where dependable, low-noise operation is essential.

Manufacturer Resources

Product Specs

Voltage Rating:
120/277V
Grade:
Specification
Product Type:
Single-Pole Toggle Switch
Department:
Electrical
Product Group:
Wiring Devices
Product Subgroup:
Toggle Switches

Leviton CS120-2W – Frequently Asked Questions

1) Will a Leviton 54521-2W toggle switch work on a 277V lighting circuit?
Yes. The Leviton specification grade AC quiet toggle switch is rated 120/277V AC at 20 amps, so it handles both 120V branch circuits and 277V commercial lighting off a 480/277V system. That dual rating is why it shows up on office and retail lighting jobs where the fixtures run at 277V.
2) What is the difference between the Leviton 54521-2W and the CS120, CS320 and CS420 models?
They differ by pole configuration and color. The 54521-2W is the white 1-pole version. In the CS line, the last digit before the dash tells you the switching: CS120 is single pole, CS320 is three-way, CS420 is four-way. Colors follow the suffix, W for white, I for ivory, GY for gray. So a CS320-2GY is a gray three-way and a CS420-2I is an ivory four-way. Pick the pole count from how many locations control the light, then the color to match the other devices in the room.
3) I need to control one light from two doorways - which of these Leviton switches do I order?
Two control points needs a pair of three-way switches, so order two CS320 devices (CS320-2W in white or CS320-2GY in gray). A single-pole switch like the 54521-2W or CS120-2W only works where one switch controls the circuit. If you have three or more control points, you use two three-ways plus a CS420 four-way at each intermediate location.
4) What is the closest equivalent to the Leviton 54521-2W specification grade toggle switch from another brand?
The Pass & Seymour PS20AC3W is the nearest match: it is a 20A specification grade toggle switch in white, the same grade classification as the Leviton 54521-2W and the same white device color. If ivory is what the job calls for, the Pass & Seymour CS20AC3I is a commercial 20A specification grade toggle in ivory, which lines up with the Leviton 54523-2I ivory variant.
5) I need a three-way switch instead of a single pole 20A toggle - what should I order?
The Leviton devices covered here are 1-Pole, single-throw on/off control. For three-way switching at the same 20A, 120/277V rating, the Eaton Arrow Hart AH-1223GY is an industrial grade three-way toggle switch rated 20A, 120/277V, so it carries the same electrical rating in a three-way configuration.
6) Is the Bryant 4801W a drop-in replacement for the Leviton 54521-2W?
Not electrically. The Bryant 4801W is a 4-Series single-pole toggle rated 15A at 277V AC in white, while the Leviton 54521-2W is rated 20-Amp at 120/277V. Both are single-pole white toggles, but on a 20A branch circuit the Leviton rating is the one to match. The Bryant is the choice when the circuit is 15A and 277V only.
7) Is a specification grade toggle switch worth it over a residential grade device for a commercial building?
For commercial and institutional work, yes. Specification grade is the tier built for high-cycle use in offices, schools and retail, where a residential device on the same door will fail early. Leviton's version is a framed AC quiet switch, so the mechanism damps the snap that residential switches make - which matters in libraries, classrooms, patient rooms and conference areas. The 20A rating also gives headroom on long lighting runs.
8) What else could I use instead of a Leviton 20A spec grade toggle switch?
Pass & Seymour has two direct equivalents we carry: the CS20AC3I, a commercial 20A specification grade toggle in ivory, and the PS20AC3W, an industrial extra heavy duty specification grade toggle in white. If you need a three-way at 20A in the same voltage class, the Eaton Arrow Hart AH-1223GY is an industrial grade three-way rated 20A at 120/277V. Bryant's 4801W is a single-pole 277V device but it is a 15A switch, so it is not a swap where the circuit calls for 20A.
9) Can I use these Leviton switches to replace brown or light almond residential toggles in an apartment building?
Electrically you can, but the colors do not match. These Leviton devices come in white, ivory and gray only. For brown, the Pass & Seymour 660G TradeMaster grounding toggle is brown satin thermoplastic; for light almond, the 663LAG TradeMaster grounding toggle. Those are TradeMaster series devices rather than specification grade, so for high-traffic common areas the Leviton spec grade device is the heavier-duty choice even if it means repainting the color scheme.
10) What is the difference between the Pass & Seymour CS20AC3I and PS20AC3W?
Both are 20A specification grade toggle switches. The CS20AC3I is described as commercial grade and comes in ivory; the PS20AC3W is described as industrial extra heavy duty and comes in white. Either carries the same specification grade designation as the Leviton toggles, so the choice comes down to device color and whether the spec calls for the industrial extra heavy duty build.
11) What colors do these Leviton commercial toggle switches come in?
Three: white (54521-2W, CS120-2W, CS320-2W), ivory (54523-2I, CS420-2I), and gray (CS320-2GY). Models 54504-2 and CS420-2 carry no color suffix in the number. If you are standardizing a floor, match the color suffix across every pole type so the three-ways and four-ways look identical to the single-poles.
12) Do I need to buy wall plates separately with these Leviton toggle switches?
Plan on ordering wall plates as a separate line. These are standard toggle-style devices, so any single-gang toggle opening plate fits, and you size the gang count to how many switches share the box. Match the plate color to the device suffix - W for white, I for ivory, GY for gray - or go with stainless if the spec calls for it.
How fast can I get the Leviton CS120-2W delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Leviton CS120-2W come with a warranty?
Absolutely. The Leviton CS120-2W is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Leviton CS120-2W?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Leviton CS120-2W from ZenSupply?
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