Eaton CS320B Toggle Switch - cULus Listed Commercial Grade
Part Number: CS320B
Quick Summary
Eaton CS320B Toggle Switch is a commercial-grade switch designed for control of lighting and general-purpose circuits in commercial installations. In busy facilities, installers often struggle with reliable three‑way operation, side-wire terminations, and space constraints inside standard wall boxes. This device carries cULus listing along with NOM and Federal Specification 6241 05, reinforcing safety and interchangeability across North America. It also supports practical field installation with a wall-mount design and copper alloy terminals that resist corrosion. By combining robust specs with straightforward wiring, it helps shorten commissioning, reduce callbacks, and improve uptime for commercial lighting and equipment controls. Ideal for offices, retail, and hospitality environments, it complements other commercial-grade Eaton products.
Product Information
Extended Description
CS320B Eaton: Eaton commercial grade toggle switch, #14-10 AWG, 20A, Commercial, Wall, 120/277V, Side wire, Screw, Brown, Three-Way, Copper alloy, Terminals: 0.031 in
Product Name
Eaton commercial grade toggle switch
Catalog Number
CS320B
UPC
032664750793
Product Length/Depth
1.3 in
Product Height
4.2 in
Product Width
0.902 in
Product Weight
0.15 lb
Certifications
cULus Listed NOM Federal Specification Classification 6241 05
Type
Toggle switch
Amperage Rating
20A
Voltage rating
120/277 V
Number Of Poles
Single-pole
Application
Commercial
Wiring method
Side wire
Switch type
Three-way
Mounting method
Wall
Connector type
Screw
Material
PVC
Number of ways
Three-way
Allowable wire size
#14-10 AWG
Terminal enclosure material
Copper alloy
Terminals
0.031 in
Color
Brown
Feature: Amperage rating and voltage support is 20A at 120/277V, enabling direct control of standard commercial lighting and branch circuits. Benefit: Reduces the need for additional relays and simplifies panel design, lowering installed costs and improving overall reliability. Application: Office entrances, retail bays, and hospitality lighting control without custom wiring. Feature: Three-way switching with side-wire connections provides flexible multi-point control while preserving secure terminations. Benefit: Improves user convenience and reduces wiring complexity on multi-location circuits. Application: Hallways, stairwells, and conference rooms where multiple control points are required. Feature: Wall-mountable form factor with compact dimensions (1.3 in deep, 4.2 in high, 0.902 in wide). Benefit: Fits standard wall boxes and leaves space for other devices, accelerating retrofit and new installations. Application: Wall switches in commercial offices and retail spaces. Feature: Copper alloy terminals and 0.031 in terminal dimensions offer durable, corrosion-resistant connections. Benefit: Enhances long-term reliability in busy environments with frequent toggling. Application: Receptacle and switch assemblies in high-traffic interiors. Feature: PVC housing in brown color provides durable construction and consistent appearance. Benefit: Easy-to-match aesthetics in commercial interiors while withstanding daily wear. Application: Wall-mounted control panels, reception areas, and customer-facing zones. Feature: Certifications including cULus Listed, NOM, and Federal Specification 6241 05 ensure safety, interoperability, and regulatory compliance. Benefit: Reduces risk during inspections and simplifies procurement across US and Canadian projects. Application: Any commercial installation where formal conformity is required and long-term support is essential.
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FAQs
The CS320B is rated for 20A and operates at 120/277V. It supports single-pole and three-way configurations with side-wire and screw terminals, using copper alloy contacts and a 0.031 in terminal size. This combination enables direct control of common commercial lighting circuits while maintaining reliable terminations in busy environments.
Yes. The CS320B is specifically designed for commercial lighting control at 120/277V, with a 20A amperage rating and three-way switching capability. Its wall-mount form, durable materials, and cULus NOM Federal Specification 6241 05 certifications ensure safe, compliant operation in offices, retail, and hospitality settings.
Absolutely. The CS320B is a three-way toggle switch that supports side-wire terminations, enabling flexible multi-point control while preserving secure, reliable connections. When wiring a three-way setup, use the side-wire terminals as specified and follow standard electrical codes for safe installation.
The CS320B carries cULus Listed, NOM, and Federal Specification 6241 05 certifications. These credentials confirm electrical safety, performance reliability, and interchangeability across regional markets, reducing approval risks at inspection and ensuring compatibility with standard commercial products in US and Canadian projects.
Plan for wall-mount installation in standard wall boxes with side-wire termination. Use #14-10 AWG conductors and copper alloy terminals for a secure connection. Confirm 120/277V rating and 20A capacity, and verify compliance with cULus NOM 6241 05 during commissioning to ensure durable performance in commercial environments.