Leviton R51-0CSB1-2IS Single Pole Switch 20A 120/277V

Product Description

The Leviton R51-0CSB1-2IS is a commercial grade single pole toggle switch rated for 20 amps at 120 to 277 volts AC. Built for demanding commercial and light industrial environments, it accepts both back-wire and side-wire terminations, giving electricians flexibility during rough-in and finish work. The ivory finish suits standard commercial decor. This switch is intended for general-purpose lighting and motor load control in commercial buildings, office spaces, and similar occupancies. Licensed electricians handle installation as part of branch circuit wiring work.

This switch is suited for commercial lighting circuits in office buildings, retail spaces, schools, and similar facilities where 120-volt or 277-volt single-phase branch circuits are used. The 277-volt rating makes it appropriate for fluorescent and LED lighting circuits fed directly from 480/277-volt distribution panels, which is common in commercial construction. The package quantity is 10 units, supporting volume installation on larger projects.

Key Features

• 20A rating handles commercial lighting and motor loads on 120V or 277V circuits
• Single pole configuration for standard switched-hot lighting control
• Back-wire and side-wire termination options for installation flexibility
• Commercial grade construction for higher duty cycle and longer service life
• Ivory finish for standard commercial decor compatibility
• Sold in a package quantity of 10 units

Compatibility

Designed as a commercial grade single pole switch for 120-volt and 277-volt branch lighting circuits in commercial and light industrial applications.

Installation Notes

Installation must be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and applicable local codes. De-energize the branch circuit at the panel and verify absence of voltage with a meter before any wiring work. Back-wire and side-wire terminals should be torqued per the terminal markings on the device. The 277-volt rating requires correct identification of the switched-hot conductor on 480/277-volt systems prior to connection.