Eaton Commercial Grade Toggle ...
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Eaton Commercial Grade Toggle Switch, 20A, 120/277V

Eaton Commercial Grade Toggle Switch, 20A, 120/277V

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Model: CSB115B

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

$10.53
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Eaton Toggle Switch, 120/277V, Commercial Grade

The Eaton Toggle Switch, 120/277V is a commercial-grade toggle switch built for flush-mount installation in commercial electrical systems. Rated for 120/277V operation, this switch accepts #14-10 AWG wire through a back-and-side wiring method with screw connectors, and carries cULus Listing for code-compliant performance. Constructed with a PVC housing, brass terminal enclosure, and Brown finish, it is suited for switching motor control, fan, LED, incandescent, ELV, MLV, CFL, fluorescent, and halogen loads in demanding commercial environments.

Key Features

  • Commercial Grade Application: Designed for Commercial use with a Flush mounting method for a clean, low-profile installation.
  • Electrical Rating: Rated at 120/277V for reliable performance in commercial branch circuits.
  • Wire Compatibility: Accepts #14-10 AWG wire using a Back and side wiring method for installer flexibility.
  • Screw Connector Type: Screw-type connectors provide secure, code-compliant terminations.
  • Durable Construction: PVC housing paired with a Brass terminal enclosure material for long-term durability.
  • Toggle Switching: Toggle switch design for standard on/off control.
  • Terminal Design: 0.031 in terminals sized for consistent, secure wire connections.
  • Compact Dimensions: Measures 4.2 in in Product Height, .902 in in Product Width, and 1.3 in in Product Length/Depth.
  • Broad Load Compatibility: Suitable for Motor Control, Fan, LED, Incandescent, ELV, MLV, CFL, Fluorescent, and Halogen load types.
  • Finish: Brown color finish for a coordinated commercial device appearance.

Certifications & Compliance

  • cULus Listed

Technical Specifications

  • Mounting method: Flush
  • Terminals: 0.031 in
  • Voltage rating: 120/277 V
  • Application: Commercial
  • Product Height: 4.2 in
  • Type: Toggle switch
  • Certifications: cULus Listed
  • Product Width: .902 in
  • Color: Brown
  • Wiring method: Back and side
  • Product Length/Depth: 1.3 in
  • Material: PVC
  • Allowable wire size: #14-10 AWG
  • Terminal enclosure material: Brass
  • Connector type: Screw
  • Product Material: PVC

Typical Applications

  • Commercial Electrical Installations
  • Office and Retail Lighting Control
  • Motor Control and Fan Switching Circuits
  • Panelboard-Fed Branch Circuit Switching
  • Renovation and New Construction Projects

Why Eaton?

Eaton engineers this toggle switch with a PVC housing, brass terminal enclosure, and screw-terminal connections to deliver dependable, code-compliant switching for commercial electrical work. Its cULus Listing and 120/277V rating support safe operation across a wide range of load types, making it a practical choice for professionals who need consistent, reliable performance on commercial jobs.

Variant Specifications

Number of PolesAmperageSKU
Single-Pole15 amperesCSB115B
Single-Pole20 amperesCSB120B
Double-Pole20 amperesCSB220B
Double-Pole15 amperesCSB315B

Manufacturer Resources

Product Specs

Wiring Method:
Back and side
Listing:
cULus
Department:
Electrical
Product Height:
4.2 in
Terminal enclosure material:
Brass
Product Type:
Toggle Switch
Connector Type:
Screw
Certifications:
cULus Listed
Application:
Commercial
Product Color:
Brown
Voltage Rating:
120/277V
Product Width:
.902 in
Allowable Wire Size:
#14-10 AWG
Product Material:
PVC
Connection Type:
Screw
Amperage Rating:
20A
Product Length/Depth:
1.3 in
Terminals:
0.031 in
Product Group:
Wiring Devices
Product Subgroup:
Toggle Switches

Eaton CSB115B – Frequently Asked Questions

1) Will the Eaton CSB toggle switch work on a 277V lighting circuit, or is it 120V only?
The Eaton CSB commercial toggle switch is rated 120/277V, so it works on both standard 120V branch circuits and 277V lighting circuits fed from a 480/277V panel. That dual rating is why it shows up on office and retail lighting jobs where the fixture circuits run at 277V.
2) What is the difference between the CSB115B, CSB120B, CSB220B and CSB315B Eaton switches?
They differ by amperage and pole count. CSB115B is single-pole 15A, CSB120B is single-pole 20A, CSB220B is double-pole 20A, and CSB315B is double-pole 15A. Pick single-pole for controlling a load from one location, double-pole when you need to break both ungrounded conductors (for example a 208/240V load or a two-wire motor circuit). All are brown commercial grade toggles.
3) Can I land #12 or #10 wire on this Eaton commercial toggle switch?
Yes. The terminals accept #14 through #10 AWG, so a 20A circuit run in #12 lands fine, and #10 is within range if a run was upsized for voltage drop. Terminations are screw type on brass, and you can wire back or side, which helps when the box is crowded and you would rather feed straight in than loop around the screw.
4) Can this Eaton switch control LED and fluorescent fixtures, not just incandescent?
It is listed for motor control, fan, LED, incandescent, ELV, MLV, CFL, fluorescent and halogen loads. That covers a retrofit where incandescent cans were swapped for LED, and it covers exhaust fan and small motor switching, which is the load type a lot of general-purpose switches will not carry.
5) What is the closest equivalent to the Eaton CSB120B single-pole 20A toggle switch from another brand?
The Eaton CSB120B is a single-pole 20 ampere commercial grade toggle switch rated 120/277V. The closest cross-brand match is the Pass & Seymour CS20AC3I, a commercial 20A specification grade toggle switch in ivory. On the Leviton side, the 1221 is an SPST toggle switch rated 20A 120/277V in extra heavy-duty industrial specification grade. All three switch the same single-pole 20A load class, so the decision comes down to grade of construction and device color.
6) I want the switch to show when the load is on. Does the Eaton CSB do that, and what should I order if not?
The Eaton CSB toggle switches are standard on/off toggle devices with no indicator. For a switch that shows load status, the Leviton 1221-2L is an industrial grade pilot light toggle switch, 1-pole, rated 20A at 120/277V, and the Leviton 1201PLC is an industrial grade pilot light toggle switch, 1-pole, 120V. Choose the 1221-2L if the circuit is 277V, since the 1201PLC is a 120V device.
7) Can I use a Bryant 4801W in place of an Eaton CSB220B?
No. The Eaton CSB220B is a double-pole 20 ampere device, while the Bryant 4801W is a single-pole 15A 277V AC toggle switch in the 4-Series. A single-pole switch breaks one conductor only and will not serve a double-pole circuit. The Bryant 4801W is a closer match to the single-pole 15 ampere Eaton CSB115B.
8) Is the Eaton CSB toggle switch UL listed for commercial code work?
It carries a cULus Listing, which covers it for both US and Canadian installations. It is built as a commercial grade device, so it is the right class of switch for branch circuit switching in offices, retail and multi-family common areas rather than a residential-only device.
9) Does this Eaton switch mount in a standard flush wall box with a normal toggle wallplate?
Yes, it is a flush-mount strap-style toggle device, 4.2 in high by .902 in wide by 1.3 in deep, so it drops into a standard device box and takes a standard single-gang toggle wallplate. The .902 in width is why it gangs normally beside receptacles and other switches in a multi-gang box.
10) Can I use the 15A version of this Eaton switch on a 20A circuit?
Match the device to the load and the circuit the specification calls for. The CSB line gives you both: CSB115B and CSB315B are 15A, CSB120B and CSB220B are 20A. On a 20A branch circuit feeding 20A of connected load, order the 20A devices. If you are standardizing a building on one part, the 20A single-pole CSB120B covers the widest range of general switching.
11) Is there a brown toggle switch that matches the Eaton CSB devices already installed in my building?
The Eaton CSB toggle switches are supplied in a brown finish. For brown devices from another line, the Pass & Seymour 660G Trademaster grounding toggle switch is a brown satin thermoplastic device. If you are standardizing a floor on a lighter color instead, the Pass & Seymour 663LAG TradeMaster grounding toggle is light almond thermoplastic, and the Bryant 4801W 4-Series single-pole 15A 277V AC toggle is white.
12) What is the difference between the Pass & Seymour Trademaster toggle switches and the Eaton CSB commercial grade switch?
The Pass & Seymour 660G and 663LAG are TradeMaster series grounding toggle switches with thermoplastic bodies, offered in brown satin and light almond respectively. The Eaton CSB switches are commercial grade toggles with a PVC housing and brass terminal enclosure, rated 120/277V, accepting #14-10 AWG on back and side screw terminations, and cULus Listed. If your specification names the TradeMaster series, order the P&S part; if it calls for a 120/277V commercial device with back-and-side wiring, the Eaton CSB is the direct answer.
How fast can I get the Eaton CSB115B delivered?
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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 Eaton CSB115B come with a warranty?
Absolutely. The Eaton CSB115B 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 Eaton CSB115B?
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
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