Leviton 1257-I Toggle AC Quiet Wall Switch; 1-Pole, SPDT, 120/277 Volt AC, 20 Amp, Ivory

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  • Leviton 1257-I Leviton 1257-I Toggle AC Quiet Wall Switch; 1-Pole, SPDT, 120/277 Volt AC, 20 Amp, Ivory
Manufacturer: Leviton
Catalog#: 1257-I
Crescent Part#: 157603
UPC: 078477165751
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Product Details

Size: 1.370 Inch Width x 2.290 Inch Depth x 4.060 Inch Height

Large silver-cadmium oxide contacts for long life, prevent sticking, welding and excessive pitting

Clamp type terminals accept up to 10 AWG copper wire

Full rated current capacity on fluorescent, tungsten and resistive loads, motor load capacity up to 80% switch current rating

Product Details:

Leviton AC Quiet toggle switch in ivory color has a voltage rating of 120/277 VAC and current rating of 20 Amps. Switch has power rating of 1 hp at 120 Volts and 2 hp at 240/277 Volts. It can withstand up to 1500 Volts for one minute. It can sustain 100 cycles of overload at 4.8 times the rated current and has a minimum endurance of 50000 cycles. The strap is made of 0.048-Inch thick galvanized steel for durability. Switch operates between -40 to 65 deg C. Industrial grade switch has a toggle made of polycarbonate material for easy operation. It has a torque range of 12 - 14 Inch lb. It features 14 - 10 AWG back terminals and 14 - 12 AWG side terminals for wire accommodation. Switch has back and side termination for faster installation.

Switch features thermoplastic base for durability. It measures 1.370 Inch x 2.290 Inch x 4.060 Inch. It consists of contacts made of silver alloy for good conductivity. Switch has brass clips for grounding purposes. It has double-throw center-off momentary contact. Switch has a cover constructed from thermoplastic material for safety purpose. It comes with 8-32 brass terminal screws and 8-32 brass grounding screws for easy and fast installation. The ratings are permanently marked on the switch.

Switch features brass-hot, black-hot, white-neutral and green-ground for easy terminal identification. Switch is used in heavy-duty applications for high performance. Switch has a flammability rating of V-2 to withstand harsh environmental conditions. Switch meets NEMA, ANSI, NOM, UL, CSA standards.

Product Specification

Product Details
Manufacturer Leviton
Catalog# 1257-I
Product Dimensions & Details
Style Toggle
Shipping Information
Ships Ground. Eligible for expedited shipping Yes
Other Information
Mounting Box
Item Toggle Switch
Environmental Conditions Flammability Rated UL94 V-2
Contact Material Silver Alloy
Contact Configuration SPDT
Connection 14-10 AWG Back and 14-12 AWG Side Wired
Color Ivory
Operating Temperature -40 to 65 deg C
Operating Cycles 50000
Power Rating 1 hp At 120 Volt, 2 hp At 240/277 Volt
Number Of Poles 1
Size 1.370 Inch Width x 2.290 Inch Depth x 4.060 Inch Height
Actuator Polycarbonate Toggle
Action Momentary
Amperage Rating 20 Amp
Application For Industrial Applications
Brand Name Leviton
Grounding Grounding
Voltage Rating 120/277 Volt AC
Standards NEMA WD-1 & WD-6, ANSI C-73, UL Federal Specificaton WS896E File E7458, UL Standard UL 20, CSA C22.2 No. 111 File 152105, NOM 057, RoHS Compliant
Strap Material 0.048 Inch Thick Galvanized Steel
Type Center-Off, Extra Heavy Duty Specification Grade

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