Leviton 1257R Toggle Switch, Single-Pole, Quiet Switch, Extra Heavy Duty Spec Grade, Grounding

Product Description

The Leviton 1257R is an industrial grade AC toggle switch designed for extra heavy-duty applications. This single-pole, quiet switch features a momentary contact center-off function and is self-grounding. It is constructed with high-quality materials to ensure unmatched versatility and reliability. Rated for 20 Amp and 120/277 Volt.

• Extra Heavy Duty Spec Grade
• Quiet Switch
• Grounding

Product Highlights

Industrial grade AC toggle switch with momentary contact, center-off functionality, and robust construction for demanding applications.

Product Information

Standard Information

• Brand: LEVITON
• Manufacturer Part Number: 1257R
• Country of Origin: Mexico

Technical Specifications

• Amperage: 20 A
• Grounding: Self-Grounding
• Voltage: 120/277 VAC
• Screw Terminal Torque: 14-18 in-lbs
• Termination: Back or Side Wire
• Actuator Material: Thermoplastic
• Body Material: Thermoplastic
• Device Type: Toggle Switch
• Feature: Momentary Contact CTR OFF
• Function: Single-Pole
• Grade: Extra Heavy-Duty Industrial Specification Grade
• HP Rating: 1HP-120V 2HP-240V-277V
• Standards and Certifications: UL/CSA
• Strap Material: Steel
• Dielectric Voltage: Withstands 1500V for 1 minute
• Endurance: 50,000 cycles minimum
• Overload UL20 Test: 100 cycles of OL at 4.8 times rated current
• Temperature Rise: Maximum 30 degrees C rise
• Flammability: Rated V-2 per UL 94
• Operating Temperature: -40°C to 65°C
• Base Material: Thermoplastic
• Contact Material: Silver Alloy
• Cover Material: Thermoplastic
• Ground Clips: Brass
• Grounding Screw: Brass 8-32
• Terminal Screws: Brass 8-32
• Toggle: Polycarbonate
• Product ID: Ratings are permanently marked on device
• Terminal Accom.: 14-#10 AWG back wired; #14-#12 AWG side wired
• Terminal ID: Brass-Hot Black-Hot White-Neutral Green-Gnd
• ANSI: C-73
• CSA C22.2 No. 111: File #152105
• NEMA: WD-1 & WD-6
• NOM: 057
• RoHS: Compliant
• UL Fed Spec WS896E: File #E7458
• UL Standard: UL 20
• Action: SPDT
• Actuator: Toggle
• Number Of Poles: 1
• Voltage Rating: 120/277 VAC