Eaton Construction Grade Singl...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$59.40
$9.40

Eaton Construction Grade Single-Pole Toggle Switch 20A 120/277V Black

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Model: 1221BK

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

$59.40
$9.40
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Eaton Construction Grade Single-Pole Toggle Switch 20A 120/277V Black

Heavy-Duty Construction Grade Performance for Industrial Applications

The Eaton Construction Grade Single-Pole Toggle Switch delivers reliable 20A switching performance at 120/277V for demanding industrial environments. Built with durable polycarbonate construction and brass terminal enclosure, this flush-mount toggle switch accommodates #14-10 AWG wire sizes with versatile back and side wiring methods for professional installation flexibility.

Professional Features & Benefits

  • 20A Rating: Handles high-current loads safely for industrial and commercial applications requiring robust switching capacity.
  • 120/277V Compatibility: Dual voltage rating provides versatility for both standard and commercial lighting circuits.
  • Construction Grade Design: Heavy-duty construction withstands demanding industrial environments and frequent operation.
  • Brass Terminal Enclosure: Corrosion-resistant brass terminals ensure reliable long-term electrical connections.
  • Polycarbonate Body: Durable thermoplastic construction provides impact resistance and dimensional stability.
  • Back and Side Wiring: Flexible wiring options accommodate various installation requirements and panel configurations.
  • UL Certified: Meets rigorous safety standards for professional electrical installations.

Technical Specifications

  • Allowable Wire Size: #14-10 AWG
  • Amperage Rating: 20 A
  • Application: Industrial
  • Certifications: UL
  • Color: Black
  • Connector Type: Screw
  • Department: Electrical
  • Material: Polycarbonate
  • Mounting Method: Flush
  • Number Of Poles: Single-pole
  • Product Details: Toggle switch
  • Product Group: Electrical
  • Product Height: 3.28 in
  • Product Length Depth: 1.31 in
  • Product Weight: .16 lb
  • Product Width: .88 in
  • Switch Type: Single-pole
  • Terminal Enclosure Material: Brass
  • Voltage Rating: 120/277 V
  • Wiring Method: Back and side

Installation & Operation

  1. Mount the unit in a suitable location with appropriate clearance and access for connections and service.
  2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
  3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
  4. Configure any available load management or control features as supported by the provided specifications.
  5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
  6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

  • Industrial Facilities and Manufacturing Plants
  • Commercial Buildings and Office Complexes
  • Warehouse and Distribution Centers
  • Educational and Institutional Facilities
  • Healthcare and Medical Facilities
  • Retail and Hospitality Establishments
  • Municipal and Government Buildings

Why Choose Eaton Quality?

Eaton construction grade switches deliver proven reliability with UL certification and heavy-duty polycarbonate construction designed for demanding industrial applications. The brass terminal enclosure and robust design ensure long-term performance in professional electrical installations.

Manufacturer Resources

Product Specs

Allowable Wire Size:
#14-10 AWG
Amperage Rating:
20 A
Application:
Industrial
Certifications:
UL
Connector Type:
Screw
Mounting Method:
Flush
Number Of Poles:
Single-pole
Product Height:
3.28 in
Product Length Depth:
1.31 in
Product Weight:
.16 lb
Product Width:
.88 in
Terminal Enclosure Material:
Brass
Voltage Rating:
120/277 V
Wiring Method:
Back and side
Product Group:
Electrical
Department:
Electrical
Product Details:
Toggle switch
Product Color:
Black
Switch Classification:
Single-pole
Product Material:
Polycarbonate

Eaton 1221BK – Frequently Asked Questions

How fast can I get the Eaton 1221BK 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 Eaton 1221BK come with a warranty?
Absolutely. The Eaton 1221BK 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 1221BK?
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 Eaton 1221BK from ZenSupply?
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