Klein Tools Digital Circuit Breaker Finder-ET300 at The Home Depot
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Klein Tools

Model # ET300

Digital Circuit Breaker Finder

Klein Tools Digital Circuit Breaker Finder

This item has been discontinued.
The Home Depot no longer carries this specific product.

$41.37 / each
Item cannot be shipped to the following state(s): GU,PR,VI


Model # ET300

Internet # 202330830

Store SKU # 365518

Quickly and accurately find the corresponding circuit breaker of 120-volt standard outlets with the Klein Tools Digital Circuit Breaker Finder. Featuring an LED display, this circuit breaker finder has an arrow that flashes for easy identification and a transmitter that reaches distances of up to 1,000 ft. The included 9-volt battery features a long life thanks to the automatic shutoff.

  • Finds the corresponding circuit breaker of 120-volt standard outlets without interruption of service
  • Power can be left on for convenience
  • Strong transmitter reaches distances of up to 1,000 ft.
  • LED display and flashing arrow indicator for easy identification
  • Includes one 9-volt battery
  • Auto shutoff provides long battery life by conserving power
  • 90 - 120-volt operation

Info & Guides

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Assembled Depth (in.)  1.3 in  Assembled Height (in.)  10.5 in 
Assembled Width (in.)  6.3 in  Backlit  No 
Batteries Included  Yes  Battery Charger Included  No 
Battery Power Type  Alkaline  Battery Size  9-volt 
Control Type  Manual  Data Log/Record  No 
Data hold  No  Display Type  LED 
Low Battery Indicator  Yes  Manufacturer Warranty  2 Years 
Measures/Detects  Voltage  Number of Batteries Required 
Product Depth (in.)  0.9 in  Product Height (in.)  6 in 
Product Weight (lb.)  0.2 lb  Product Width (in.)  1.9 in 
Reference Scale Included  No  Returnable  90-Day 
Test Meter Type  Other Meter/Tester 



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Please allow 3 to 5 business days for Standard Shipping in addition to order processing time, which varies by product.  Items deliver by small parcel service.

If product is eligible for shipping to AK, HI and US Territories additional transit time and remote surcharges may apply.