【Circuit Protection】: This resettable fuse tester kit replaces standard 3A/5A fuses and automatically trips when overload or short circuits are detected. Simply insert it into the fuse slot to safely diagnose electrical issues without blowing fuses, helping protect your equipment while saving time and repair costs.
【Easy to Operate】: When a fault is detected, the breaker trips automatically. Simply press the top reset button to restore operation, eliminating the need to repeatedly replace fuses. The product comes with a magnetic back, allowing it to quickly and securely attach to any metal surface.
【Compact & Portable】: Includes 1× 3A resettable fuse tester, 1× 5A resettable fuse tester, 2× alligator clip extension leads, 6× 3A blade fuses, and 4× 5A blade fuses. All components are stored in a compact case for easy carrying, ideal for HVAC technicians and electrical engineers.
【Alligator Clip Design】: The test kit includes one red and one black heavy-duty alligator clip extension cable, made of 16AWG tinned copper wire. The high-quality clips ensure excellent conductivity and reliable performance for electrical testing.
【Wide Application】: Suitable for temporary troubleshooting of low-current control circuits, including: HVAC systems, furnaces, air handlers, control boards, generators, marine equipment, spa and hot tub systems, and other devices using 3A or 5A ATC/ATO fuses.
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