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RS PRO 500mA FF Ceramic Cartridge Fuse, 5 x 20 mm, 250V AC, Super Fast Acting 420-066
Specifications
| Country of Origin | Germany |
|---|---|
| Voltage | 250V ac |
| Diameter | 5.2mm |
| Brand | RS PRO |
| Body Material | Ceramic |
| Model | 420-066 |
| Overall Length | 20mm |
| Current Rating | 500mA |
| Series | RS PRO |
| Maximum Operating Temperature | 0°C |
| Standards/Approvals | UL, RoHS |
| Fuse Characteristics | Super Fast Acting |
| Fuse Size | 5 x 20 mm |
| Mersen 500mA FA Ceramic Cartridge Fuse, 5 x 20 mmBrand | Mersen |
Key Features
- Rated for 500mA current and 250V AC voltage.
- Measures 5 x 20 mm with a ceramic body providing high durability.
- Super fast acting fuse characteristic suitable for semiconductor protection.
- Features high breaking capacity for safe operation in fault conditions.
- Ideal for applications in industrial, commercial, and residential electrical equipment.
- Compatible with 5x20 mm fuse holders for convenient replacement.
- Manufactured to UL and RoHS standards, ensuring quality and safety compliance.
- Designed to protect motors, air conditioners, refrigerators, pumps, and other electrical devices from overcurrent and short circuits.
Product Description
RS PRO 420-066 Ceramic Cartridge Fuse is a 500mA ultra-rapid (FF) fuse with a 5 x 20 mm size designed for high-performance circuit protection in electrical and electronic systems. The ceramic body ensures durability and high temperature resistance, while the super fast acting characteristic provides rapid disconnection in case of overcurrent, protecting sensitive semiconductor devices such as thyristors, diodes, and transistors.
This fuse operates at 250V AC and offers a high breaking capacity (HBC), making it reliable for safely interrupting fault currents without damage. The compact cylindrical shape and standard 5x20 mm size make it compatible with most fuse holders and panel boards.
Typical industrial and commercial applications include protection of motors, air conditioning units, refrigerators, pumps, and other electrical appliances in both commercial and residential environments. By isolating faulty sub-systems effectively, the RS PRO 420-066 prevents costly damage and downtime.
These cartridge fuses are cost-effective and faster than circuit breakers in reaction, although they need replacement once blown. The product complies with UL and RoHS standards and is manufactured in Germany, reflecting strict quality assurance.
Rated current of 500mA at 250V AC for effective circuit protection. Ceramic body offers durability and heat resistance. Super Fast Acting (FF) fuse characteristic provides semiconductor device protection. High breaking capacity ensures safe interruption of fault currents.
Standard size 5 x 20 mm compatible with common fuse holders. Used in industrial, commercial, and residential electrical appliances. Conforms to UL and RoHS standards for safety and environmental compliance. Manufactured in Germany for quality and reliability assurance.
Explore more Cartridge Fuses and electrical protection devices in the Electronics & Electricals category on EnvMart for reliable industrial and commercial solutions.
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Frequently Asked Questions
The fuse has a current rating of 500mA.
It operates at a voltage of 250V AC.
This cartridge fuse measures 5 x 20 mm.
The fuse is constructed with a ceramic body, providing high durability and heat resistance.
It features a super fast acting (FF) characteristic, suitable for rapid disconnection in case of overcurrent.
Yes, it complies with UL and RoHS standards, ensuring quality and safety.
This fuse is manufactured in Germany.
It is ideal for protecting motors, air conditioners, refrigerators, pumps, and other electrical devices from overcurrent and short circuits.
The maximum operating temperature is 0°C.
This fuse is faster in reaction than circuit breakers but needs to be replaced once blown.
It offers a high breaking capacity, ensuring safe interruption of fault currents.
Yes, it is compatible with standard 5 x 20 mm fuse holders for convenient replacement.
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