Klein Tools ET300AU | Digital Circuit Breaker Finder | 230V / 240V

Klein Tools ET300AU | Digital Circuit Breaker Finder | 230V / 240V

The Klein Tools ET300AU is a digital circuit breaker finder that accurately identifies the correct breaker for 230V and 240V powered outlets. It uses micro-processor controlled technology to detect the correct circuit without needing to shut off power—ideal for live circuit testing in residential, commercial or industrial environments.

The bright green arrow and loud audible tone offer quick visual and audio confirmation, reducing testing time and error. With a transmitter range of up to 305 metres, the ET300AU supports large-site applications and fault tracing with ease.

• Digital Circuit Breaker Finder: Identifies correct breaker on live circuits.
• 230V / 240V Compatible: Built for Australian power systems.
• Micro-Processor Controlled: Provides consistent, accurate readings.
• Works on Powered Circuits: No need to shut down service during testing.
• Visual and Audible Confirmation: Green arrow and loud tone indicate correct breaker.
• 305m Range: Supports long-distance signal transmission for larger sites.

• Electrical maintenance work requiring breaker identification without service interruption.
• Residential or commercial switchboard testing for fault tracing.
• Industrial applications where long-range detection and accurate circuit ID is critical.