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Leviton Single-Pole AC Quiet Toggle Switch, Momentary Contact, 15A, 120/277V

SKU: LV1256x

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WARNING: Cancer and Reproductive Harm –


Momentary Wall Switch for Heavy-Duty Applications

Designed for momentary switching in extra heavy-duty applications, the Leviton Single-Pole AC Quiet Toggle Switch (Momentary Contact, 15A, 120/277V) is perfect for demanding environments. It provides a positive switching action with center-off position. Possible applications include temporarily turning on a garbage disposal, manually resetting an automated valve, or operating a magnetically latched relay, among many other potential applications. The grounded, single-pole AC quiet switch features a body made of impact-resistant thermoplastic material with a polycarbonate toggle switch and a steel strap for durability.

NOTE: Wallplate not included.

About Leviton

Leviton is the smart choice, providing the most comprehensive range of solutions to meet the needs of today’s residential, commercial and industrial buildings. Leveraging more than a century of experience, Leviton helps customers create sustainable, intelligent environments through its electrical wiring devices, network and data center connectivity solutions, and lighting energy management systems. From switches and receptacles, to daylight harvesting controls, networking systems, and equipment for charging electric vehicles, Leviton solutions help customers achieve savings in energy, time and cost, all while enhancing safety.


Product Features

  • Grounding: Grounding
  • Feature: Double-Throw Ctr-OFF Momentary Contact
  • Voltage: 120/277 Volt
  • HP Rating: 1/2HP-120V 2HP-240V-277V
  • Body Material: Thermoplastic
  • Strap Material: Steel

Technical Details

  • Manufacturer Part #:
    • Brown: 1256
    • White: 1256-W
    • Gray: 1256-GY
    • Ivory: 1256-I
  • Warranty: 10-Year Limited

AC Horsepower Ratings

  • HP Rating: 1/2HP-120V 2HP-240V-277V
  • Max. Amperage: 12 Amp


  • Amperage: 15 Amp
  • Voltage: 120/277 Volt
  • Grounding: Grounding
  • Dielectric Voltage: Withstands 1500V for 1 minute
  • Overload UL20 Test: 100 cycles of OL at 4.8 times rated current
  • Temperature Rise: Maximum 86°F (30°C) rise
  • Endurance: 50,000 cycles minimum


  • Flammability: Rated V-2 per UL94
  • Operating Temperature: -40° to 149°F (-40° to 65°C)


  • Strap Material: Steel
  • Base Material: Thermoplastic
  • Toggle: Polycarbonate
  • Cover Material: Thermoplastic
  • Contact Material: Silver Alloy
  • Terminal Screws: Brass 8-32
  • Grounding Screw: Brass 8-32
  • Ground Clips: Brass


  • Terminal ID: Brass-Hot Black-Hot White-Neutral Green-Gnd
  • Terminal Accom.: #14-#10 AWG back wired; #14-#12 AWG side wired
  • Product ID: Ratings are permanently marked on device
  • Torque Range: 12-14 inch pounds

Standards and Certifications

  • NEMA: WD-1 and WD-6
  • ANSI: C-73
  • UL Fed Spec WS896E: File #E7458
  • UL Standard: UL 20
  • CSA C22.2 No. 111: File #152105
  • NOM: 057
  • RoHS: Compliant


Wiring Diagram