Plug And Play 3 Amp And 5 Amp Resettable Fuse For HVAC Circuits, Thermal Overload Protector And Circuit Tester, Works On 24V AC/DC And 125/250V AC, UL Listed, Detects Overload, Short, And Undervoltage To Stop Power

Plug-and-Play 3A/5A HVAC resettable fuse, overload protector
✔️ 2-pack with 3A & 5A ATC breakers for quick diagnostics

These compact, plug-in thermal breakers protect HVAC circuits by detecting overloads, shorts, and undervoltage, stopping power before damage occurs. They serve as direct replacements for common fuses in central A/C units, appliances, generators, and marine equipment.

✅ UL-listed for 32V DC and 125/250V AC operation
✅ Direct drop-in replacement for Zebra ZK-003, POP-3, SPOP-3, Supco POP3, G33039
✅ 3A and 5A units included in a single package for broad coverage
✅ Push-button reset after trip; no tools required to restore power
✅ Built-in self-adhesive backing for temporary mounting during testing

💡 What is a resettable fuse used for in HVAC systems?

A handy device that protects circuits and makes testing quick and safe. - Handy protection against overloads in 24V DC and 125/250V AC circuits - Quick, tool-free reset after a fault - Direct replacement for common ATC fuses simplifies retrofits - Ideal for central AC, appliances, generators, and marine gear