


About Klein Tools
As an American manufacturer of hand tools for more than 160 years, Klein Tools makes premium-quality, professional-grade tools that deliver performance, durability and precision. Our team continues to put six generations of expertise into each tool by using the highest quality materials and superior workmanship.
Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day … Since 1857.
AC Circuit Breaker Finder, Electric and Voltage Tester with Integrated GFCI Outlet Tester
The Klein Tools ET310 Circuit Breaker Finder with Integrated GFCI Outlet Tester is a digital circuit breaker finder used to locate the correct circuit breaker in a panel to which an electrical outlet or fixture is connected. The Transmitter is connected to the electrical outlet or fixture in the circuit while the receiver is used to scan the breakers in the circuit panel. The Transmitter also features a GFCI outlet tester.
- This circuit breaker finder can quickly and accurately locate the correct circuit breaker in a panel corresponding to the circuit to which an electrical outlet or fixture is connected
- GFCI tester consists of two parts: a Transmitter connected to the electrical outlet or fixture, and a Receiver used to scan the panel to locate the correct breaker
- Receiver delivers clear visual and audible indications when the correct breaker has been located
- Operates on 90-120V AC circuits
- Transmitter incorporates a GFCI outlet tester to inspect the wiring condition at the electrical outlet and test GFCI devices
- Transmitter docks in the Receiver for convenient storage as a single item when tester is not is use
- Transmitter incorporates a three-pin plug for connecting to North-American-style grounded electrical outlets.
- The transmitter may be connected to other electrical fixtures using optional accessories which are sold separately (Cat. No. 69411)
FEATURES

Circuit Breaker Finder locates the correct breaker in a panel

Tester consists of two parts: a Transmitter and a Receiver

GFCI Outlet Tester integrated in receiver
![]() Klein Tools 69411 Circuit Breaker Finder Accessory Kit, Circuit Breaker Leads... | ![]() Klein Tools ET310CASE Replacement Case for Klein Tools ET310KIT, Compatible w... | ![]() Klein Tools RT390 Circuit Analyzer with Large LCD, Identifies Wiring Faults, ... | ![]() Klein Tools ET270 Auto-Ranging Digital Multi-Tester, AC/DC, Resistance, Conti... | ![]() Klein Tools ET310TRANS ET310 Circuit Breaker Finder Replacement Transmitter, ... | ![]() Klein Tools ET600 Multimeter, Megohmmeter Insulation Tester, 4000 Ohms Resist... | |
|---|---|---|---|---|---|---|
| Customer Reviews | — | — | — | — | — | — |
| Price | — | — | — | — | — no data | — |
| Mfg. No. | 69411 | ET310CASE | RT390 | ET270 | ET310TRANS | ET600 |
| Description | Klein Tools 69411 Circuit Breaker Finder Accessory Kit, Circuit Breaker Leads... | Klein Tools ET310CASE Replacement Case for Klein Tools ET310KIT, Compatible w... | Klein Tools RT390 Circuit Analyzer with Large LCD, Identifies Wiring Faults, ... | Klein Tools ET270 Auto-Ranging Digital Multi-Tester, AC/DC, Resistance, Conti... | Klein Tools ET310TRANS ET310 Circuit Breaker Finder Replacement Transmitter, ... | Klein Tools ET600 Multimeter, Megohmmeter Insulation Tester, 4000 Ohms Resist... |

AC Circuit Breaker Finder, Electric and Voltage Tester with Integrated GFCI Outlet Tester

About Klein Tools
As an American manufacturer of hand tools for more than 160 years, Klein Tools makes premium-quality, professional-grade tools that deliver performance, durability and precision. Our team continues to put six generations of expertise into each tool by using the highest quality materials and superior workmanship.
Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day … Since 1857.

The Klein Tools ET310 Circuit Breaker Finder with Integrated GFCI Outlet Tester is a digital circuit breaker finder used to locate the correct circuit breaker in a panel to which an electrical outlet or fixture is connected. The Transmitter is connected to the electrical outlet or fixture in the circuit while the receiver is used to scan the breakers in the circuit panel. The Transmitter also features a GFCI outlet tester.
- This circuit breaker finder can quickly and accurately locate the correct circuit breaker in a panel corresponding to the circuit to which an electrical outlet or fixture is connected
- GFCI tester consists of two parts: a Transmitter connected to the electrical outlet or fixture, and a Receiver used to scan the panel to locate the correct breaker
- Receiver delivers clear visual and audible indications when the correct breaker has been located
- Operates on 90-120V AC circuits
- Transmitter incorporates a GFCI outlet tester to inspect the wiring condition at the electrical outlet and test GFCI devices
- Transmitter docks in the Receiver for convenient storage as a single item when tester is not is use
- Transmitter incorporates a three-pin plug for connecting to North-American-style grounded electrical outlets.
- The transmitter may be connected to other electrical fixtures using optional accessories which are sold separately (Cat. No. 69411)
FEATURES

Circuit Breaker Finder locates the correct breaker in a panel

Tester consists of two parts: a Transmitter and a Receiver

GFCI Outlet Tester integrated in receiver
![]() Klein Tools 69411 Circuit Breaker Finder Accessory Kit, Circuit Breaker Leads... | ![]() Klein Tools ET310CASE Replacement Case for Klein Tools ET310KIT, Compatible w... | ![]() Klein Tools RT390 Circuit Analyzer with Large LCD, Identifies Wiring Faults, ... | ![]() Klein Tools ET270 Auto-Ranging Digital Multi-Tester, AC/DC, Resistance, Conti... | ![]() Klein Tools ET310TRANS ET310 Circuit Breaker Finder Replacement Transmitter, ... | ![]() Klein Tools ET600 Multimeter, Megohmmeter Insulation Tester, 4000 Ohms Resist... | |
|---|---|---|---|---|---|---|
| Customer Reviews | — | — | — | — | — | — |
| Price | — | — | — | — | — no data | — |
| Mfg. No. | 69411 | ET310CASE | RT390 | ET270 | ET310TRANS | ET600 |
| Description | Klein Tools 69411 Circuit Breaker Finder Accessory Kit, Circuit Breaker Leads... | Klein Tools ET310CASE Replacement Case for Klein Tools ET310KIT, Compatible w... | Klein Tools RT390 Circuit Analyzer with Large LCD, Identifies Wiring Faults, ... | Klein Tools ET270 Auto-Ranging Digital Multi-Tester, AC/DC, Resistance, Conti... | Klein Tools ET310TRANS ET310 Circuit Breaker Finder Replacement Transmitter, ... | Klein Tools ET600 Multimeter, Megohmmeter Insulation Tester, 4000 Ohms Resist... |





















