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Klein Tools ET300
Digital Circuit Breaker Finder

  • Quickly, accurately, and automatically find the corresponding circuit breaker of any 120V standard outlet
  • Flashing arrow indicator for easy identification
  • Strong transmitter reaches distances up to 1,000 feet90 - 120V operation
  • Microprocessor controlled for more reliable identification
  • Auto power-off feature saves battery life
  • Accessory kit available (Catalog No 69411) includes light socket and alligator clip adapters
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Klein Tools ET300 Shown
Product Information
Datasheet 581 KB PDF
Manual 725 KB PDF
PDF HelpPDF Help
Quickly and accurately find the corresponding circuit breaker of 120-volt standard outlets with the Klein ET300 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.
Ordering Information
Model Description Buy Online Price
ET300
MFR ID: 00092644693021
Klein Tools ET300 Digital Circuit Breaker Finder Buy Now Sale $39.77
(Reg. $60.28)
Included Accessories
  • 1 - User's Manual
Included
Optional Accessories
69401
MFR ID: 00092644694011
Klein Tools 69401 Multimeter Carrying Case Buy Now Sale $6.54
(Reg. $9.90)
69411
MFR ID: 00092644694110
Klein Tools 69411 Circuit Breaker Finder Accessory Kit Buy Now Sale $11.48
(Reg. $17.86)