The Leviton SmartlockPro Blank Face GFCI (Model GFRBF-W) is built for professional electricians and contractors who need dependable ground fault protection on every job site. Rated at 20A/125V with a 10 kA short circuit current rating, this Class A GFCI delivers specification-grade performance in residential and commercial installations. Its reduced-depth profile fits shallow boxes without issue, while back and side wire terminations speed up rough-in and trim-out. Patented Lockout Action, self-test technology, and surge-resistant electronics make it the reliable choice for code-compliant installations in kitchens, bathrooms, garages, and outdoor circuits across Canada.

Electrical Specifications

Amperage 20 A
Voltage 125 VAC
Power Supply Frequency 60 Hz
Short Circuit Current Rating 10 kA
Trip Level Class A
Dielectric Voltage 1250 VAC
Horsepower Rating 1 hp
Poles 2
Wires 3
Grounding Self-Grounding
Temperature Rise Max 30°C

Mechanical Specifications

Termination Back and Side Wire
Wire Accommodation #10–#14 AWG Copper, #10–#12 Copper Clad
Torque Range 14–18 lbs.

Material Specifications

Body Thermoplastic
Face Thermoplastic
Mounting Strap Galvanised Steel
Grounding Screw #8 Galvanised Steel
Terminal Screws #8 Plated Steel
Terminal Clamps Brass
Line Contacts Brass
Self-Grounding Clip Yes
TR Shutter Non-Tamper

Environmental Specifications

Operating Temperature (Maximum) 66°C continuous
Operating Temperature (Minimum) -35°C (without impact)

Product Features

Device Type Blank Face GFCI
Grade Residential/Commercial Specification Grade
Colour White
Features LED Indicator Light, Self-Test, Patented Lockout Action, Surge-Resistant Electronics
Self-Test Auto-monitoring; tests within 3 seconds of power-up, exceeds UL requirements
Lockout Action Prevents reset if GFCI is damaged and cannot respond to a ground fault
Reduced Depth Fits shallow electrical boxes
NEMA Configuration Blank Face
Compatibility Compatible with all Decora devices and wallplates

Standards and Certifications

Certifications UL, CSA, CSA C22.2 No. 144, UL 943
NEMA Standards WD-1 and WD-6
Federal Specification UL Fed Spec WC-596

Warranty

Warranty 2-Year Limited