Digital Circuit Breaker Finder ET300AU – Klein Tools

The Klein Tools ET300AU is a digital circuit breaker finder that matches a standard Australian outlet to its circuit breaker in the switchboard. It has two parts: a transmitter that plugs into the outlet and a handheld receiver you scan along the breakers. It’s an easy, automatic way to identify circuits without trial and error at the switchboard. Key Features Locates the matching breaker for standard 230/240V outlets Works on live circuits, with no need to cut power A bright green arrow and loud beep mark the correct breaker Microprocessor control for accurate readings Fully automatic two-pass scan: the first pass calibrates to the panel, the second finds the breaker Transmitter range of up to 305 m Operating voltage 90–280V AC, 50–60 Hz Double insulated Receiver turns off automatically after about 4 minutes to save the battery Runs on a 9V battery Compact and light: receiver 152 × 51 × 23 mm (91 g), transmitter 71 × 48 × 31 mm (45 g) Indoor use only, 0–40°C operating temperature Included Receiver Transmitter (plug-in, Australian outlet) 9V battery Instruction manual Standards RCM (Regulatory Compliance Mark), Australia/NZ, listing 5291