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Gray toggle wall switch, 20 A 120-277 V, commercial grade

Hubbell Incorporated

Hubbell Incorporated CSB120GY 20A 120-277V 1-Pole Switch

SKU CH-5GZM-CBRMC

A commercial-grade toggle switch rated 20 A at 120 to 277 V AC with quiet operation and back-and-side wiring

  • 20 A switching handles heavy commercial loads
  • 120–277 V AC range fits standard and high-voltage circuits
  • Single-pole maintained toggle gives reliable on/off control
  • Back and side wiring speeds up installation
  • Gray finish matches common commercial wall plates

Commercial 20 A Toggle Switch

This Hubbell CSB120GY is a single-pole wall switch rated for 20 A at 120 to 277 V AC with a 1 HP motor load rating. It features maintained toggle action, back and side wiring terminals, and a quiet mechanism housed in a gray commercial-grade body. The device carries UL and CSA listings and is intended for indoor commercial environments.

Suited for commercial lighting and motor circuits

Electricians wiring standard 120 V or 277 V lighting branches and small motor loads up to 1 HP will find the rating and wiring options appropriate. Installers who require locking actuators, antimicrobial surfaces, or multi-pole configurations should look at alternative devices. The switch is not designed for residential-only decorative styles or for circuits exceeding its 20 A and 277 V limits.

20 A 120-277 V AC single-pole rating

The decisive specification is the 20 A current rating combined with the 120 to 277 V AC voltage range on a single maintained pole. This defines the maximum load the contacts can carry and the supply voltages for which the switch is listed. Any application exceeding either value requires a different switching device.

How it compares

Measured against everything we stock in Contactors, Relays & Motor Starters, at today’s prices. Recalculated every night.

Price $5.99
Cheaper than about 96% of the 1,098 comparable items (median $61.99).

Specifications

Product
Brand nameHUBBELL WIRING DEVICE-KELLEMS

Questions about this item

What does the 20 A rating mean for a circuit running at 120 V?

At 120 V the switch is rated for 20 A on a resistive circuit and also carries a 1 HP motor rating.

How does the 120 to 277 V range affect the way I wire this switch?

The device is listed for use on any AC circuit between 120 and 277 V, so the same switch works on standard 120 V lighting circuits and on 277 V commercial lighting without rewiring.

What does the back-and-side wiring method require in the box?

Conductors can be terminated under the side screws or inserted into the back-wire ports, giving two ways to land wires in the same enclosure.

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