Mastech Ms5902 Automatic Circuit Breaker

Overview The MASTECH MS5902 Circuit Breaker Finder and Socket Tester is designed for electricians, DIY enthusiasts, and homeowners who need to quickly identify circuit breakers, check outlet wiring, and ensure electrical safety. Combining a sensitive circuit breaker locator with a reliable socket tester and built-in flashlight, this tool simplifies electrical troubleshooting and verification in residential, commercial, and industrial settings. Product Details This two-in-one diagnostic tool features a transmitter and receiver set that automatically adjusts sensitivity to pinpoint the correct breaker or fuse. The integrated socket tester verifies wiring correctness for standard triangular outlets with a clear three-light indicator system. Built with durable ABS housing, it operates on AC 110V/220V systems and includes a flashlight for low-light environments. Low battery warning ensures reliable performance. Ideal for electrical maintenance, grid restoration, and project inspections in offices, homes, and factories. Key Features 1. Automatic Sensitivity Adjustment – The circuit breaker finder quickly locates the target breaker or fuse with optimized detection. 2. Socket Wiring Verification – Tests triangular socket connections and displays status via three intuitive indicator lights. 3. Built-in Flashlight – Provides illumination in dark or dimly lit work areas for added convenience. 4. Low Battery Warning – Alerts users when battery replacement is needed to maintain accuracy. 5. Wide Application – Suitable for electrical troubleshooting, grid restoration, and engineering acceptance in offices, homes, factories, and more. Specifications Brand: MASTECH Model: MS5902 Operating Voltage: AC 110V/220V Plug Type: US Plug / EU Plug (optional) Material: ABS Color: Black Green Receiver Size: 20×3.8×5 cm / 7.9×1.5×2.0 in Socket Tester Size: 6.3×7×5.5 cm / 2.5×2.8×2.2 in Package Weight: Approx. 298 g / 10.5 oz Package Includes 1 × Socket Tester with Transmitter 1 × Circuit Breaker Finder with Receiver