


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.
ET310 Circuit Breaker Finder Replacement Transmitter, Digital Circuit Breaker Finder, Integrated GFCI Outlet Tester
The Klein Tools ET310TRANS is a replacement Transmitter for the ET310 Circuit Breaker Finder. The ET310 consists of two parts; a Transmitter which is connected to the electrical outlet/circuit and the Receiver which is used to scan the breakers in the panel. The Transmitter features an integrated GFCI Outlet Tester to check for wiring faults.
- Transmitter is a replacement part for the ET310 Circuit Breaker Finder with Integrated GFCI Outlet Tester
- The ET310 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
- The Transmitter also checks for common wiring faults in North American grounded electrical outlets
- Transmitter incorporates a GFCI tester for tripping GFCI devices
- The Transmitter may be connected to other electrical fixtures using optional accessories which are sold separately (Cat. No. 69411)
- Transmitter is powered by the circuit when connected to the electrical outlet or fixture; no batteries needed
- CAT II 120V safety rating
- Built to withstand a 6.6-Foot (2 m) drop
FEATURES

Replacement Transmitter for ET310 Circuit Breaker Finder

ET310 consists of two parts: a Transmitter and a Receiver

Transmitter also features a GFCI outlet tester
![]() Klein Tools ET310 AC Circuit Breaker Finder, Electric and Voltage Tester with... | ![]() Klein Tools 69411 Circuit Breaker Finder Accessory Kit, Circuit Breaker Leads... | ![]() Klein Tools Zipper Bag, Canvas Tool Pouch with Heavy Duty Brass Zipper Close | ![]() Klein Tools RT250KIT Non-Contact Voltage Tester and GFCI Receptacle Tester wi... | ![]() Klein Tools 5139PAD Zipper Bag, Cordura Nylon Tool Pouch with Layered Padding... | ![]() Klein Tools ET40 Digital AC/DC Voltage Tester, 12-240V AC, 1.5-24V DC, LED Il... | |
|---|---|---|---|---|---|---|
| Customer Reviews | — | — | — | — | — | — |
| Price | — | — | — | — | — | — |
| Mfg. No. | ET310 | 69411 | 5139 | RT250KIT | 5139PAD | ET40 |
| Description | Klein Tools ET310 AC Circuit Breaker Finder, Electric and Voltage Tester with... | Klein Tools 69411 Circuit Breaker Finder Accessory Kit, Circuit Breaker Leads... | Klein Tools Zipper Bag, Canvas Tool Pouch with Heavy Duty Brass Zipper Close | Klein Tools RT250KIT Non-Contact Voltage Tester and GFCI Receptacle Tester wi... | Klein Tools 5139PAD Zipper Bag, Cordura Nylon Tool Pouch with Layered Padding... | Klein Tools ET40 Digital AC/DC Voltage Tester, 12-240V AC, 1.5-24V DC, LED Il... |

ET310 Circuit Breaker Finder Replacement Transmitter, Digital Circuit Breaker Finder, 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 ET310TRANS is a replacement Transmitter for the ET310 Circuit Breaker Finder. The ET310 consists of two parts; a Transmitter which is connected to the electrical outlet/circuit and the Receiver which is used to scan the breakers in the panel. The Transmitter features an integrated GFCI Outlet Tester to check for wiring faults.
- Transmitter is a replacement part for the ET310 Circuit Breaker Finder with Integrated GFCI Outlet Tester
- The ET310 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
- The Transmitter also checks for common wiring faults in North American grounded electrical outlets
- Transmitter incorporates a GFCI tester for tripping GFCI devices
- The Transmitter may be connected to other electrical fixtures using optional accessories which are sold separately (Cat. No. 69411)
- Transmitter is powered by the circuit when connected to the electrical outlet or fixture; no batteries needed
- CAT II 120V safety rating
- Built to withstand a 6.6-Foot (2 m) drop
FEATURES

Replacement Transmitter for ET310 Circuit Breaker Finder

ET310 consists of two parts: a Transmitter and a Receiver

Transmitter also features a GFCI outlet tester
![]() Klein Tools ET310 AC Circuit Breaker Finder, Electric and Voltage Tester with... | ![]() Klein Tools 69411 Circuit Breaker Finder Accessory Kit, Circuit Breaker Leads... | ![]() Klein Tools Zipper Bag, Canvas Tool Pouch with Heavy Duty Brass Zipper Close | ![]() Klein Tools RT250KIT Non-Contact Voltage Tester and GFCI Receptacle Tester wi... | ![]() Klein Tools 5139PAD Zipper Bag, Cordura Nylon Tool Pouch with Layered Padding... | ![]() Klein Tools ET40 Digital AC/DC Voltage Tester, 12-240V AC, 1.5-24V DC, LED Il... | |
|---|---|---|---|---|---|---|
| Customer Reviews | — | — | — | — | — | — |
| Price | — | — | — | — | — | — |
| Mfg. No. | ET310 | 69411 | 5139 | RT250KIT | 5139PAD | ET40 |
| Description | Klein Tools ET310 AC Circuit Breaker Finder, Electric and Voltage Tester with... | Klein Tools 69411 Circuit Breaker Finder Accessory Kit, Circuit Breaker Leads... | Klein Tools Zipper Bag, Canvas Tool Pouch with Heavy Duty Brass Zipper Close | Klein Tools RT250KIT Non-Contact Voltage Tester and GFCI Receptacle Tester wi... | Klein Tools 5139PAD Zipper Bag, Cordura Nylon Tool Pouch with Layered Padding... | Klein Tools ET40 Digital AC/DC Voltage Tester, 12-240V AC, 1.5-24V DC, LED Il... |





















