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RS PRO 8A FF Ceramic Cartridge Fuse, 5 x 20 mm, 250V AC, Super Fast Acting 420-139
Specifications
| Country of Origin | Germany |
|---|---|
| Voltage | 250V ac |
| Diameter | 5mm |
| Brand | RS PRO |
| Body Material | Ceramic |
| Model | 420-139 |
| Overall Length | 20mm |
| Current Rating | 8A |
| Series | RS PRO |
| Maximum Operating Temperature | 0°C |
| Standards/Approvals | RoHS, UL |
| Fuse Characteristics | Super Fast Acting |
| Fuse Size | 5 x 20 mm |
| FUSES HBC 20MM FF 8ABrand | NEUTRAL |
| Mersen 8A FA Ceramic Cartridge Fuse, 5 x 20 mmBrand | Mersen |
| Schurter 8A FF Ceramic Cartridge Fuse, 5 x 20mmBrand | Schurter |
Key Features
- This miniature ceramic cartridge fuse offers ultra-rapid (FF) protection suitable for semiconductor devices.
- The fuse has a cylindrical shape with an overall length of 20 mm and diameter of 5 mm.
- It features high interrupting capacity and operates at higher temperatures.
- Ideal for protecting electrical appliances such as motors, air conditioners, refrigerators, and pumps.
- RoHS and UL approved with a maximum operating temperature of 0°C.
- Made with a ceramic body material ensuring robustness and reliability.
- Its high breaking capacity (HBC) ensures safe operation under fault current conditions.
- Designed for industrial, commercial, automotive, and residential applications.
Product Description
RS PRO 420-139 Ceramic Cartridge Fuse is an 8A, super fast acting (FF) cartridge fuse with dimensions 5 x 20 mm and rated for 250V AC operation.
This fuse operates at higher temperatures and provides reliable circuit protection for semiconductor devices such as thyristors, diodes, and transistors. The fuse's ceramic body offers robustness and high breaking capacity, making it suitable for demanding industrial environments.
The cylindrical fuse design measuring 20 mm in length and 5 mm in diameter fits standard 5 x 20 mm fuse holders commonly used in boards and panels. It provides ultra-rapid response to overcurrent and short circuits, protecting sensitive electrical components and appliances.
Applications include protection of motors, air conditioning units, refrigerators, pumps, and other electrical equipment in industrial, commercial, residential, and automotive sectors. It is a cost-effective and fast reacting safety device that must be replaced once blown to ensure continuous circuit protection.
This fuse is RoHS compliant and UL approved, ensuring it meets safety and environmental standards. It is part of the RS PRO series known for quality and performance in electrical protection. The fuse has a maximum operating temperature of 0°C, suitable for typical electrical installations.
The high breaking capacity (HBC) ensures the fuse can safely interrupt fault currents without damage to surrounding equipment. The ceramic body ensures durability and electrical insulation. RS PRO Cartridge Fuses are trusted components for protection in various industrial, laboratory, commercial, and residential applications.
Explore more RS PRO fuses and components in our Electronics & Electricals category on EnvMart for your protection needs.
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Frequently Asked Questions
The fuse has a current rating of 8A.
It is rated for operation at 250V AC.
The overall length is 20 mm and the diameter is 5 mm, fitting standard 5 x 20 mm fuse holders.
This fuse is super fast acting (FF), providing ultra-rapid response to overcurrent and short circuits.
The body of the fuse is made from ceramic, ensuring robustness and reliability.
The maximum operating temperature is 0°C.
It is RoHS compliant and UL approved, meeting safety and environmental standards.
This fuse is suitable for protecting motors, air conditioning units, refrigerators, pumps, and other electrical equipment in various sectors.
It features high interrupting capacity (HBC), ensuring safe operation under fault current conditions.
It provides ultra-rapid response to overcurrent and short circuits, protecting sensitive components like thyristors, diodes, and transistors.
The fuse must be replaced once blown to ensure continuous circuit protection.
The country of origin for this fuse is Germany.
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