The TPEL TH139 HOL thermal fuse is a non-resettable overtemperature protection device. When the temperature at the fuse body reaches 139°C, the element opens permanently, disconnecting the circuit to prevent heat damage or fire. It is intended for installation in transformers, electric fans, low-power motors, chargers, electronic ballasts, capacitors, and various heating systems.

Rated at 250V AC and 10A, it is compatible with the majority of single-phase low-power equipment. The 117°C holding temperature ensures the fuse remains closed during normal operating cycles that run warm but stay below the trip threshold.

Key Features

• One-shot thermal cutoff — opens permanently at the rated functioning temperature
• Functioning temperature (TF): 139°C
• Fusing-off tolerance: 137 ±2°C
• Holding temperature (TC): 117°C
• Rated 250V AC / 10A
• Maximum temperature limit: 170°C

Product Benefits

• Permanently opens the circuit at 139°C, stopping thermal damage before it escalates
• 117°C holding temperature maintains reliable closure during normal warm operating cycles
• Covers transformers, fans, motors, chargers, ballasts, and heating systems in a single component
• 250V/10A rating is compatible with the majority of single-phase low-power appliances

Technical Specifications

• Model: TPEL TH139 HOL
• Functioning Temperature (TF): 139°C
• Fusing-off Temperature: 137 ±2°C
• Holding Temperature (TC): 117°C
• Maximum Temperature Limit: 170°C
• Rated Voltage: 250V AC
• Rated Current: 10A
• Pack Quantity: 4 pcs

Why You'll Love It

• Pack of 4 provides spares for servicing multiple units or maintaining a working stock
• 139°C trip point suits equipment that runs moderately warm under load
• Non-resettable design ensures faults are diagnosed and fixed before the appliance is restarted
• Package includes 4× TPEL Thermal Fuse 250V 10A 139°C TH139 HOL