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MASTECH MS5902RT Circuit Breaker Tester

MASTECH MS5902RT Circuit Breaker Tester

Regular price $74.94 USD
Regular price $109.99 USD Sale price $74.94 USD
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The Mastech circuit breaker tester identifies circuit breakers on energized electrical systems. Automatic sensitivity adjustment and automatic polarity selection remove ambiguity about readings.

The tester indicates the presence of a circuit breaker with a buzzer and an indicator light. The tester includes a transmitter, which is plugged into an electrical outlet, and a receiver, which is powered by a 9V battery. 

With its compact size and easy-to-use design, the Plug Outlet Finder is a must-have for anyone who needs to find outlets in a hurry. Whether you're setting up a new workstation or looking for an outlet to charge your phone, this tool makes it a breeze.

Don't waste time searching for outlets - let the Plug Outlet Finder do the work for you!

Features and Benefits


The Mastech circuit breaker tester is a preferred solution for the latest in code requirements. Identify circuit breakers fast and efficiently. Quick and easy to use and extremely accurate readings. Always find the right breaker!.


The circuit breaker works on powered systems from 90 to 250V AC and is suitable for house, office, residential and light commercial environments.


The Testers Green Led Lamp will Light up automatically to Indicate low voltage existence; the yellow to indicate moderate voltage; the red to indicate high voltage, ensuring your safety, helping you work in dark environments.



Model: MS5902

Material: ABS

Color: Black + Green

Receiver Power Supply: 1 x 9V Battery (Not included)

Receiver Size: 20*3.8*5cm / 7.9*1.5*2.0in

Socket Tester: 6.3*7*5.5cm / 2.5*2.8*2.2in

Packet Weight: Approx. 298g/10.5oz



Package list:

1 * Socket Tester with Transmitter

1 * Circuit Breaker Finder with Receiver

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