⚡ Breakers found. Safety tested. Efficiency unlocked.
The Klein Tools ET310 is a battery-powered, two-part AC circuit breaker finder and voltage tester designed for 90-120V systems. Featuring a transmitter that plugs into grounded outlets and a receiver that scans panels with visual and audible alerts, it ensures precise breaker identification. Integrated GFCI testing adds an extra layer of safety, while the compact docking design keeps components organized. Ideal for professional electricians and savvy DIYers seeking fast, reliable troubleshooting.
| Brand | Klein Tools |
| Power Source | Battery Powered |
| Style | Circuit Breaker Finder |
| Color | Circuit Breaker Finder |
| Item Weight | 7.2 Ounces |
| Item dimensions L x W x H | 10.96 x 2.16 x 1.39 inches |
| Min. Operating Voltage | 90 Volts |
| Maximum Operating Voltage | 120 Volts |
| UPC | 092644692406 |
| Manufacturer | Klein Tools |
| Global Trade Identification Number | 00092644692406 |
| Part Number | ET310 |
| Item Weight | 7.2 ounces |
| Product Dimensions | 10.96 x 2.16 x 1.39 inches |
| Country of Origin | China |
| Item model number | ET310 |
| Batteries | 1 9V batteries required. (included) |
| Material | PC & PC-ABS housing and electronic components |
| Pattern | Breaker Kit |
| Voltage | 120 Volts |
| Item Package Quantity | 1 |
| Special Features | Transmitter docks in Receiver Transmitter integrated GFCI outlet tester in receiver |
| Included Components | Includes Transmitter, Receiver, user manual, and 9V battery for Receiver |
| Batteries Included? | Yes |
| Batteries Required? | No |
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