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Limitor Thermal Fuse 15A 250V AC, 142°C Functioning Temperature SF 139 R
Specifications
| Country of Origin | Japan |
|---|---|
| Brand | Limitor |
| Height | 8.5mm |
| Model | SF 139 R |
| Series | SF/R |
| Holding Temperature | 127°C |
| Standards/Approvals | UL, VDE, CCC |
| Lead Orientation | Axial |
| Functioning Temperature | 142°C |
| Selco Thermal Fuse +144°C 10 A, 250V acBrand | Selco |
Key Features
- This thermal fuse has a high functioning temperature of 142°C for effective thermal cutoff.
- Rated for 15 amperes and 250 volts AC, suitable for single-phase power supplies.
- Features an axial lead orientation for easy PCB mounting and wiring.
- Constructed with a metallic body ensuring durability and reliability.
- Non-resettable and single-use, it prevents fire or damage under thermal overload.
- Meets UL, VDE, and CCC standards for quality assurance.
- Compact height of 8.5 mm allows for versatile use in electrical assemblies.
- Made in Japan, ensuring high manufacturing standards and performance.
Product Description
Limitor SF 139 R Thermal Fuse is a high-quality, single-use thermal cutoff device designed to protect electrical and electronic equipment against overheating and potential fire hazards. This thermal fuse operates at a functioning temperature of 142°C, cutting off current flow when this temperature is reached to prevent damage.
With a current rating of 15A and voltage rating of 250V AC, this fuse is suitable for use with standard single-phase power supplies. Its axial lead design facilitates easy installation on printed circuit boards or wiring assemblies.
Manufactured with a robust metallic body, the SF 139 R delivers reliable thermal protection with rapid response time, making it ideal for applications requiring consistent safety measures.
This thermal fuse is non-resettable, ensuring that once triggered by over-temperature conditions, it must be replaced, guaranteeing equipment safety. Rated functioning temperature of 142°C ensures precise thermal cutoff.
15A current rating supports moderate power electrical circuits. 250V AC voltage rating suits various household and industrial applications. Axial lead orientation for straightforward integration into designs. Compact 8.5 mm height for space-saving installations.
Certified by UL, VDE, and CCC meeting rigorous international standards. Originating from Japan, highlighting manufacturing excellence.
This thermal fuse is widely used in electrical appliances, HVAC equipment, industrial machinery, and other electronic devices to prevent thermal damage and enhance safety. Its reliable actuation at a specified temperature makes it essential for circuit protection in varied industrial and commercial applications.
Explore more Thermal Fuses and related circuit protection components in our Electronics & Electricals category at EnvMart.
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Frequently Asked Questions
The functioning temperature of this thermal fuse is 142°C, which allows it to cut off current flow when this temperature is reached to prevent damage.
It is rated for 15 amperes and 250 volts AC, making it suitable for standard single-phase power supplies.
This model features an axial lead orientation, which facilitates easy installation on printed circuit boards or wiring assemblies.
The height of this thermal fuse is 8.5 mm, allowing for compact installations in various electrical assemblies.
No, it is a non-resettable, single-use thermal fuse, which means it must be replaced once it has been triggered by over-temperature conditions.
It meets UL, VDE, and CCC standards, ensuring quality assurance and compliance with international safety requirements.
This thermal fuse is widely used in electrical appliances, HVAC equipment, industrial machinery, and other electronic devices to prevent thermal damage.
The holding temperature of the Limitor SF 139 R is 127°C, which is the temperature below which the fuse will not operate.
It is constructed with a robust metallic body, ensuring reliability and effective thermal protection.
This thermal fuse is made in Japan, highlighting its manufacturing excellence and quality standards.
It belongs to the SF/R series, which includes various thermal fuses designed for similar applications.
It prevents fire or damage under thermal overload by cutting off current flow at its specified functioning temperature of 142°C.
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