Eaton 1203W-BU Toggle Switch - 15A 120/277V cULus Listed
Part Number: 1203W-BU
Quick Summary
The Eaton 1203W-BU toggle switch is a construction-grade electrical switch designed for industrial control panels and equipment. Engineers seek reliable, easy-to-install solutions that withstand harsh environments and heavy use. This device carries cULus Listed, NOM, and Federal Specification Classification 6241 05 certifications to support regulatory compliance and quality assurance. With back and side wiring and a wall-mount design, it delivers fast, code-compliant field installation while reducing wiring errors. In addition to its three-way capability, the switch supports #14-10 AWG conductors in a white polycarbonate housing, helping manufacturers streamline procurement and maintenance across panel builds and calibrations.
Product Information
Extended Description
1203W-BU Eaton: Eaton construction grade toggle switch, #14-10 AWG, 15A, Wall, 120/277V, Back and side, Screw, White, Three-Way, Bulk packaging, Polycarbonate
Product Name
Eaton construction grade toggle switch
Catalog Number
1203W-BU
UPC
032664739613
Product Length/Depth
1.31 in
Product Height
3.28 in
Product Width
0.88 in
Product Weight
0.25 lb
Certifications
cULus Listed NOM Federal Specification Classification 6241 05
Amperage Rating
15A
Torque rating
14 lbf-inch
Voltage rating
120/277 V
Wiring method
Back and side
Mounting method
Wall
Color
White
Material
Polycarbonate
Allowable wire size
#14-10 AWG
Application
Industrial
Connector type
Screw
Number Of Poles
Single-pole
Number of ways
Three-way
Switch type
Three-way
Type
Toggle switch
Feature → Business Impact → Application: 15A amperage rating delivers robust control for most industrial loads, reducing nuisance trips and enabling reliable operation in control circuits. This translates to lower downtime and improved equipment uptime in machinery and panels that require heavier switching duty in production lines. Application: suitable for industrial equipment and control panels where dependable power switching is essential. Feature → Back and side wiring compatibility → Installation efficiency and error reduction: Back and side wiring offers flexible termination options, speeding up field termination and minimizing miswiring in crowded enclosures. Application: ideal for wall-mounted panels in manufacturing environments with limited access to rear wiring channels. Feature → 120/277V feed and three-way switching → Expanded wiring configurations: Supports multi-location control and wiring versatility for complex motor control and lighting circuits in plant floors. Application: prevalent in machine tools and lighting control where precise three-way control improves operability. Feature → Polycarbonate construction, white color, and screw connectors → Durability and maintenance ease: The rugged housing resists impact and heat, while screw terminals ensure secure connections under vibration. Application: panel builders and field technicians appreciate consistent performance in harsh industrial settings. Feature → 1.31 in depth, 3.28 in height, 0.88 in width, 0.25 lb weight → Space-efficient footprint and lightweight handling: Small footprint simplifies panel layouts and reduces shipping/logistics costs. Application: compact control panels and enclosures where space is at a premium. Feature → Certifications including cULus Listed, NOM, and Federal Specification Classification 6241 05 → Compliance and risk mitigation: These recognitions simplify regulatory approvals and safety audits for industrial installations. Application: facilities and OEMs that must meet strict electrical safety standards. Feature → 14 lbf-inch torque rating and 15A rated switching → Predictable installation and reliable operation: Proper torque ensures solid terminal integrity for long-term performance. Application: field wiring on #14-10 AWG conductors in harsh environments.
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FAQs
Use wall mounting with back and side wiring to terminate #14-10 AWG conductors. The screw terminals provide a secure connection, and the compact 1.31 in depth helps fit into crowded enclosures. This setup speeds installation and reduces wiring errors on industrial panels.
The 1203W-BU is rated for 15A at 120/277V and supports three-way switching with a single pole configuration. It uses screw connectors and has a torque rating of 14 lbf-in to ensure reliable terminal integrity in vibration-prone environments.
Yes. It is a construction-grade toggle switch with a polycarbonate housing designed for durability in demanding environments. It carries cULus Listed and NOM certifications, which aids compliance in construction and industrial sites and simplifies regulatory approvals.
The switch is cULus Listed and NOM certified, with Federal Specification Classification 6241 05. These certifications indicate compliance with recognized safety and performance standards, reducing risk and streamlining procurement for regulated projects.
Dimensions are 1.31 in depth, 3.28 in height, and 0.88 in width, with a weight of 0.25 lb. These compact measurements support easy integration into panels and enclosures without adding significant bulk.