The Trane FUS01348 (also known as G5AM0400) is a thermal fuse link rated at 128C, designed to provide over-temperature protection in Trane heating units. This critical safety component interrupts electrical flow when the ambient temperature exceeds safe thresholds, helping prevent overheating and protecting HVAC systems from damage. Key Features OEM Trane thermal fuse for precise over-temperature protection Rated at 128C, ideal for electric heater kits Fast-acting design for maximum equipment safety Compatible with multiple Trane and American Standard heating elements Easy replacement with standard terminals Specifications Part Numbers: FUS01348, G5AM0400 Temperature Rating: 128C Application: Over-temperature protection for electric heater kits Voltage: Up to 250V AC Mounting Style: Inline fuse link Manufacturer: Trane / American Standard (OEM) Compatible Models (Short List) BAYHTR1419BRKAB BAYHTR1408PDCCB BAYHTR1405BRKAA BAYHTR1408000AA BAYHTR1410PDCCB BAYHTR1408RBRAC BAYHTR1405PDCCB BAYHTR1410RBRAB BAYHTR1405RBRAA BAYHTR1410000AA Why Choose This Item Choosing the Trane FUS01348 fuse link ensures safe and reliable operation of your HVAC system. As an OEM-rated safety component, it?s engineered to deliver precise protection in high-heat applications. Whether you're replacing a failed unit or performing preventative maintenance, this fuse guarantees peace of mind and equipment longevity.