Eaton CSB320B Toggle Switch - cULus Listed Commercial Grade
Part Number: CSB320B
Quick Summary
Eaton CSB320B Toggle Switch is a commercial-grade device that controls lighting circuits in wall-mount installations. In busy commercial environments, unreliable switches disrupt workflows and drive maintenance costs. It is cULus Listed, NOM, and Federal Specification 6241 05 compliant, signaling strong safety, cross-border compatibility, and regulatory adherence. This model supports 120/277 V, 20 A operation and offers robust back and side wiring with screw terminals, making installation faster and less error-prone. By combining durable brass terminals and a brown PVC body, it delivers long-term reliability for offices, retail spaces, and other commercial applications, while meeting industry expectations for safety, performance, and cost efficiency.
Product Information
Extended Description
CSB320B Eaton: Eaton commercial grade toggle switch, #14-10 AWG, 20A, Commercial, Wall, 120/277V, Back and side, Screw, Brown, Three-Way, Brass, Terminals: 0.031 in
Product Name
Eaton commercial grade toggle switch
Catalog Number
CSB320B
UPC
032664559129
Product Length/Depth
1.3 in
Product Height
4.2 in
Product Width
0.902 in
Product Weight
0.2 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
Back and side
Switch type
Three-way
Mounting method
Wall
Connector type
Screw
Material
PVC
Number of ways
Four-way
Allowable wire size
#14-10 AWG
Terminal enclosure material
Brass
Terminals
0.031 in
Color
Brown
Feature → Business Impact → Application: The CSB320B is rated for 20A at 120/277 V, enabling reliable handling of typical commercial lighting loads while minimizing nuisance tripping and overheating in everyday floor plans. This directly reduces maintenance interruptions and energy waste in office towers, retail shops, and common areas. In practice, the device supports fast lighting control in high-traffic spaces, improving occupant comfort and safety without costly redesigns. Feature → Business Impact → Application: Three-way switch functionality with additional four-way configurations provides flexible multi-location control for corridor lighting and stairwells. This capability translates to shorter wiring runs, simplified control schemes, and enhanced occupant convenience in larger facilities. It’s particularly beneficial for conference rooms and open-plan offices where centralized control improves energy management. Feature → Business Impact → Application: Back and side wiring with screw terminals simplifies field installation and reduces labor time. Electricians appreciate quick termination of #14-10 AWG conductors, lowering commissioning costs and minimizing error risk during panel assembly. Ideal for retrofit projects in commercial interiors where time-to-energize is critical. Feature → Business Impact → Application: Brass terminal enclosure and 0.031 in terminals deliver durable, corrosion-resistant connections that maintain low resistance over time. This design choice supports long service life in busy mechanical rooms and service corridors, ensuring consistent performance even in demanding environments. Feature → Business Impact → Application: Factory-certified materials and finishes, including PVC body and brown coloring, provide robust insulation and clear visibility within panel boards. This combination simplifies identification and reduces mis-wiring risk during upgrades or replacements in retail, healthcare, and education facilities. Feature → Business Impact → Application: Compliance with cULus, NOM, and Federal Spec 6241 05 ensures regulatory alignment across North America, facilitating procurement, audits, and warranty coverage. This minimizes compliance overhead for MRO teams and larger integrators while supporting consistent product substitution policies in mission-critical installations.
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FAQs
CSB320B is designed for wall mounting with back and side wiring. It uses screw terminals compatible with #14-10 AWG conductors, facilitating quick, secure terminations. The compact footprint (1.3 in depth, 0.902 in width, 4.2 in height) supports straightforward installation in standard commercial wall boxes and switch plates, reducing field complexity during retrofit or new builds.
Yes. The CSB320B supports three-way operation with four-way compatibility, enabling multi-location control for lighting circuits across hallways, conference rooms, and office suites. This flexibility helps maintain consistent illumination with fewer control devices, simplifying circuit design and reducing wiring harnesses in larger installations.
The CSB320B is cULus listed, NOM certified, and references Federal Specification Classification 6241 05. These certifications indicate compliance with major safety and performance standards for commercial electrical equipment, streamlining procurement, cross-border use, and regulatory audits for facilities managers and integrators.
Back and side wiring with screw terminals enable faster termination of #14-10 AWG conductors, reducing labor time and the chance of wire misplacement. This configuration is especially beneficial in retrofit projects where space is constrained, and electricians aim to energize circuits quickly while maintaining solid, vibration-resistant connections.
CSB320B combines a 20A, 120/277V rating with durable brass terminals and a robust PVC housing, delivering reliable performance in busy commercial environments. Its compliance with cULus, NOM, and Federal Spec 6241 05 reduces risk, while its wiring versatility and multi-location capability provide a strong return on investment through lower installation costs and longer service life.