Leviton Industrial Grade Locki...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$17.57
Leviton Industrial Grade Locking Toggle Switch, SPST 1-Pole, 20A, 120/277V

Leviton Industrial Grade Locking Toggle Switch, SPST 1-Pole, 20A, 120/277V

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Model: 1221-2WL

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

$17.57
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Leviton Industrial Grade Locking Toggle Switch, SPST 1-Pole, 20A, 120/277V

The Leviton is an Industrial Grade Locking Toggle AC Quiet Switch built for demanding commercial and industrial electrical systems. Configured as an SPST 1-Pole device rated 20A at 120/277V, this locking toggle switch is engineered to control lighting and equipment circuits where a secure, tamper-resistant switching action is required. Available under model numbers 1221-2IL-P and 1221-2WL-P, the switch delivers the dependable AC quiet operation and industrial-grade durability that Leviton is known for.

Key Features

  • Industrial Grade: Built to Industrial grade standards for heavy-duty commercial and industrial switching applications.
  • Locking Toggle Design: Locking toggle actuator helps prevent accidental or unauthorized operation of the connected circuit.
  • SPST 1-Pole Configuration: Single-pole, single-throw switching for straightforward on/off circuit control.
  • 20A Rating: Rated for 20-Amp loads, supporting demanding lighting and equipment circuits.
  • 120/277V Rating: Dual voltage rating of 120/277V AC for flexible use across standard and higher-voltage branch circuits.
  • AC Quiet Switch Operation: Quiet AC switching action reduces audible click during operation.
  • Available Models: Offered as model 1221-2IL-P and model 1221-2WL-P to match project and finish requirements.

Technical Specifications

  • list_batch: LEV-PREEXIST-20260803
  • Amperage: 20A
  • Poles: 1

Typical Applications

  • Commercial and Industrial Electrical Installations
  • Lighting Circuit Control in Offices, Warehouses, and Facilities
  • Equipment Switching Requiring Locking Actuation
  • Panelboard-Fed Branch Circuit Switching
  • Renovation and New Construction Wiring Devices

Why Leviton?

Leviton designs its Industrial Grade switches for the reliability that commercial and industrial electricians depend on, pairing a secure locking toggle mechanism with quiet AC switching action. With a 20A, 120/277V rating and SPST 1-Pole configuration, this switch is built to deliver consistent, code-compliant performance across demanding professional installations.

Manufacturer Resources

Product Specs

Amperage Rating:
20A
Poles:
1
Voltage Rating:
120/277V
Grade:
Industrial
Product Type:
Locking Toggle Switch
Department:
Electrical
Product Group:
Wiring Devices
Product Subgroup:
Toggle Switches

Leviton 1221-2WL – Frequently Asked Questions

1) Will a Leviton 1221-2IL locking toggle switch work on a 277V lighting circuit?
Yes. The 1221 series industrial locking toggle is rated 120/277V AC, so it can be used on standard 120V branch circuits or on 277V lighting circuits common in commercial buildings fed from a 480Y/277 panel. Same device either way, no separate model to order for the higher voltage.
2) Is the Leviton 1221 a single-pole or three-way switch?
Single pole. It is an SPST 1-pole device, meaning simple on/off control of one circuit from one location. If you need to control the same lights from two locations you need a three-way device instead, not this one.
3) What does the locking toggle on the Leviton 1221 actually do, and do I need a key?
The locking toggle actuator keeps the circuit from being switched accidentally or by unauthorized hands. It is a mechanical locking action built into the toggle itself, not a keyed cylinder device. Typical use is a lighting or equipment circuit in a warehouse, mechanical room, or tenant space where you do not want someone flipping it off casually.
4) What colors does the Leviton 1221 locking toggle switch come in?
Two: ivory, model 1221-2IL, and white, model 1221-2WL. Pick the one that matches the existing device plates on the job. There is no other color option in this locking configuration.
5) Is an industrial grade switch worth it over a spec grade toggle for a warehouse?
Industrial is the top of the three common wiring device tiers (residential, commercial/spec, industrial), and it is what you want on circuits that get switched constantly or serve equipment. The 1221 combines that grade with a 20A 120/277V rating and AC quiet switching, which is the normal call for warehouse and facility lighting control. For a low-traffic office switch leg, a spec grade toggle is usually enough.
6) Will the Leviton 1221 fit a standard toggle wall plate and a single-gang box?
Yes. It is a standard toggle-style strap device, so it takes an ordinary single-gang toggle wall plate and mounts in a standard device box or gang box. The locking mechanism is contained in the actuator, so no oversized plate or special cover is required.
7) Does the Leviton 1221 quiet AC switch make noise when operated?
It uses an AC quiet switching mechanism, which cuts the sharp audible click you get from an older snap-action toggle. That matters in offices, classrooms, and patient areas where a loud switch is noticeable.
How fast can I get the Leviton 1221-2WL delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
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 Leviton 1221-2WL come with a warranty?
Absolutely. The Leviton 1221-2WL 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 Leviton 1221-2WL?
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
Why buy the Leviton 1221-2WL from ZenSupply?
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