Klein Tools Digital Circuit Breaker Finder with GFCI Outlet Tester
Professional-Grade Circuit Identification and GFCI Testing System
The Klein Tools Digital Circuit Breaker Finder with GFCI Outlet Tester delivers professional-grade circuit identification performance for electrical troubleshooting and panel mapping. This PC and PC-ABS housing electronic tester features integrated GFCI testing capability designed for electricians, electrical contractors, and maintenance professionals, providing the reliable performance and industry-leading quality that tradesmen demand from America's most trusted electrical tool manufacturer.
Professional Features & Benefits
Advanced Circuit Detection Technology
- Digital Signal Processing - Delivers clear visual and audible indications when correct breaker is located with Klein precision engineering
- 90-120V AC Operation - Works on standard North American electrical systems with professional reliability
- Integrated GFCI Tester - Inspects outlet wiring condition and tests GFCI devices for comprehensive electrical safety verification
- Three-Pin Grounded Plug - Connects to standard North American outlets with secure professional-grade connection
Professional Convenience Features
- Docking Transmitter Design - Transmitter docks in receiver for convenient single-unit storage and transport
- Auto Power Off - Receiver automatically powers off after three minutes to conserve battery life with Klein smart design
- Low Battery Indicator - Alerts user to battery condition for reliable field operation
- Drop Protection - Built to withstand 6.6-foot drops for jobsite durability and Klein quality construction
Safety and Durability Standards
- CAT II 120V Safety Rating - Meets measurement category standards for utilization point testing with professional safety compliance
- Professional Construction - PC and PC-ABS housing provides impact resistance and long-term reliability for electrical professionals
- Battery-Free Transmitter - Powered by circuit under test eliminates need for transmitter batteries and ensures consistent operation
Technical Specifications
Overall dimensions 10.96 inches length x 2.16 inches width x 1.39 inches height with transmitter docked, operates on 90-120V AC circuits, CAT II 120V safety rating, PC and PC-ABS housing construction, 0.625 pounds total weight, requires one 9V battery for receiver operation, 6.6-foot drop protection rating, auto power off after three minutes, measurement category II compliance for utilization point testing.
Installation & Usage
- Verify tester operation on known live and correctly wired receptacle before each use emphasizing Klein safety protocols
- Connect transmitter to electrical outlet or fixture requiring circuit identification using professional connection techniques
- Activate GFCI testing function to verify outlet wiring condition and GFCI device operation with Klein precision
- Use receiver to scan electrical panel systematically following professional electrical troubleshooting procedures
- Listen for audible indication and observe visual signals when correct breaker is located using Klein detection technology
- Document circuit identification for future reference following professional electrical maintenance standards
Professional Applications
Ideal for:
- Electrical Panel Mapping - Circuit identification and panel labeling for residential and commercial electrical systems
- Troubleshooting Operations - Locating specific circuits during electrical repair and maintenance work
- GFCI Testing - Verifying GFCI outlet operation and wiring integrity for safety compliance
- Electrical Installation - Circuit verification during new construction and renovation projects
- Maintenance Operations - Routine electrical system testing and circuit identification for facility management
- Safety Inspections - Electrical outlet testing and circuit verification for code compliance
- Commercial Electrical Work - Panel mapping and circuit identification in office buildings and retail facilities
- Industrial Maintenance - Circuit troubleshooting and electrical system mapping in manufacturing environments
Digital Detection Advantage
Klein Tools digital circuit breaker finder technology provides superior accuracy and reliability compared to analog tone generators, featuring advanced signal processing that eliminates false readings and ensures precise circuit identification. The integrated GFCI testing capability combines two essential electrical testing functions in one professional tool, reducing equipment requirements and improving workflow efficiency for electrical contractors and maintenance professionals.
Why Choose Klein Tools Quality?
Klein Tools has maintained its commitment to electrical professional excellence since 1857, developing innovative testing equipment that meets the demanding requirements of modern electrical work. This digital circuit breaker finder represents Klein's dedication to combining traditional craftsmanship with advanced electronic technology, providing electricians and electrical contractors with the precision, durability, and safety features essential for professional electrical troubleshooting and system maintenance operations.
KLN-ET310 - spec sheet
Manufacturer Resources
Product Specs
- Application:
- Locate Circuit Breakers in Panel, Test GFCI Devices
- Batteries:
- 1 x 9V
- Depth:
- 10.9600 in
- Height:
- 1.3900 in
- Included:
- Transmitter, Receiver, User Manual, and 9V Battery for Receiver
- Material:
- PC & PC-ABS housing and electronic components
- Overall Height:
- 2.16" (5.5 cm) (With Transmitter docked in Receiver)
- Overall Length:
- 10.96" (27.8 cm) (With Transmitter docked in Receiver)
- Overall Width:
- 1.39" (3.5 cm) (With Transmitter docked in Receiver)
- Standard:
- CATII 120V
- Type:
- Electronic Tester
- Weight:
- 0.6250 lbs
- Width:
- 2.1600 in
- Category:
- Circuit Breaker Finders
- Product Type:
- Electronic Tester
- Department:
- Electrical
- Product Group:
- Test & Measurement
- Product Subgroup:
- Electrical Testers