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Commerical Specification Grade Switch, White

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Commercial 3-Way Switch, Side-Wire, 20A 120/277V. These switches offer excellent value while meeting federal specification standards. External screw-pressure-plate back wiring enables fast installation and superior electrical connections. Rugged construction shrugs off hard use and abuse.
Color White
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  • One-piece brass alloy contact arm for reliable electrical performance.
  • One-piece steel strap with integral ground is plated for corrosion resistance.
  • High strength thermoplastic polycarbonate toggle resists breaking and chipping under heavy abuse.
  • Heavy-duty toggle bumpers for smooth and quiet operation.
  • Back body made of glass-reinforced nylon. Locking support provides resistance to face and back body separation.
  • Available with side wire or external screw-pressure-plate back and side wire models capable of accepting #14 - #10 AWG copper or copper-clad wire.
  • Cam designed for fast make with positive break action to minimize arcing and prolong switch life.
  • Oversized silver alloy contacts for longer dependable switch life.
  • Tri-drive terminal and mounting screws.
  • For covering patents, see www.legrand.us/patents.
  • For compatible wall plate options, from our TradeMaster unbreakable plates to our radiant screwless plates to our metal wall plates, click here.


General Info
Product Line Pass & Seymour
Color White
Finish Matte
Country Of Origin Mexico
Application Sector Commercial
Standard UL Listed E140597, Standard UL20, FedSpec WS896, Flammability Rating UL94 V2
Type Switch
Product Width US 1.32 in
Product Depth US 1.073 in
Product Height US 3.281 in
Listing Agencies / 3rd Party Agencies
cULus ListingNumber  140597
cULus Listed  Yes
Technical Information
Contact Configuration One piece brass alloy contact arm
Actuator Toggle
Connection Side Wire or external screw-pressure plate
Contact Rating Oversized silver alloy contacts
Amperage 20 A
Number of Poles 3-Way
Indoor/Outdoor Indoor
Operating Temperature -40°-115°C
Voltage 120/277 V
Connection Type Wired
Degree of Protection 1500V Dielectric Withstand Voltage


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Questions & Answers

What kind of coverplate does this need? Anything special or just a normal switch coverplate?

Asked by: James
The switch will work with any standard toggle switch wallplate or cover.
Answered by: Legrand Technical Support
Date published: 2020-04-06

which cover do I need for CS20AC3LA?

Asked by: elizabeth schrock
The standard wallplate cover used with this switch is TP1LA. https://www.legrand.us/search.aspx?q=TP1LA
Answered by: Legrand Technical Support
Date published: 2019-10-21

Is this a single pole, three-way switch or a double-pole three-way switch

Asked by: KenM
Hello, The CS20AC3W is a single pole, three way switch. Hope this helps, Have a great day
Answered by: Legrand Techincal Support
Date published: 2018-12-03
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