Advanced Circuit Tracer Kit - Circuit Breaker Finder for Electrical Testing

The Klein Tools Advanced Circuit Tracer Kit (model ET450) is a professional-grade circuit breaker finder and wire tracer designed for both energized and non-energized breakers, fuses, and wires. It is suitable for electrical distributors, lighting solutions providers, wire and cable specialists, and switchgear suppliers requiring precise circuit identification and tracing in residential, commercial, and light-industrial environments. The kit enables tracing of circuits through drywall, cement block walls, underground, and inside PVC pipes, supporting efficient electrical testing and troubleshooting.

Specifications

• Manufacturer: Klein Tools
• Model Number: ET450
• Transmitting Frequency: 33 kilohertz
• Display Type: Backlit LCD
• Material: ABS
• Dimensions (Transmitter): 7.05" √ó 3.90" √ó 1.84" (179.2 √ó 99.1 √ó 46.7 mm)
• Dimensions (Receiver): 8.72" √ó 2.07" √ó 1.51" (221.5 √ó 52.8 √ó 38.5 mm)
• Weight: 6.28 lbs (including batteries)
• Battery Type (Transmitter): 6 √ó 1.5V AA Alkaline
• Battery Life (Transmitter): Approximately 24 hours
• Battery Type (Receiver): 4 √ó 1.5V AA Alkaline
• Battery Life (Receiver): Approximately 28 hours
• Safety Rating: CAT III 600V (Transmitter and Receiver)
• Signal Sensitivity Levels: 8 adjustable levels
• Tracing Depth: Up to 1.64 feet (0.5 m), depending on medium
• NCV Voltage Detection Range: 80 to 1000V AC, 50/60Hz

Features

• Traces energized and de-energized circuits, breakers, fuses, and wires
• Adjustable receiver sensitivity for precise signal detection through walls, ceilings, floors, and underground
• Audible beep and visual signal strength indicators for easy circuit identification
• Non-contact voltage (NCV) detection with audible and visual alerts
• Integrated flashlight on receiver for low-light environments
• Includes transmitter, receiver, blade and ground prongs, alligator clips, 3-foot and 20-foot lead adapters, AC plug leads, batteries, and a hard carrying case
• Auto power-off feature to conserve battery life (Transmitter after 4 hours, Receiver after 10 minutes)
• Supports tracing wires inside metal conduit via junction box inspection
• Capable of identifying single conductors within bundled wires
• Certified to IEC, UL, CSA standards with ETL, CE, and UKCA marks

Downloads & Links

• Instructions
• MSDS
• Spec Sheet