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| Country of Origin | China |
|---|---|
| Voltage | 250V ac |
| Diameter | 5mm |
| Brand | Eaton |
| Body Material | Ceramic |
| Model | S505-4-R |
| Overall Length | 20mm |
| Current Rating | 4A |
| Series | S505 |
| Maximum Operating Temperature | 125°C |
| Minimum Operating Temperature | -55°C |
| Standards/Approvals | BSI, CCC, CSA, IMQ, KC, PSE, SEMKO, VDE |
| Fuse Characteristics | Time Delay |
| Fuse Size | 5 x 20 mm |
| Application Category | Time Delay |
| Littelfuse 4A T Ceramic Cartridge Fuse, 5 x 20 mmBrand | Littelfuse |
| RS PRO 4A T Ceramic Cartridge Fuse, 5 x 20 mmBrand | RS PRO |
| Anti surge T HBC min fuse,4A 5x20mmBrand | Cooper Bussmann |
Eaton S505-4-R is a 4A T ceramic cartridge fuse designed to provide time-delay protection in electrical and industrial equipment. It operates at a voltage of 250V AC and measures 5 x 20 mm, making it compatible with standard fuse holders and clips. Its robust ceramic construction enhances thermal resistance and allows operation across broad temperature extremes from -55°C to 125°C.
This fuse features a slow-blow characteristic that permits short surge currents during equipment startup or transient events without nuisance tripping, while offering reliable protection against prolonged overloads. It is widely used in automation panels, mechanical drive control systems, electronic test equipment, and power distribution modules.
Manufactured under Eaton's S505 series, the fuse meets several international approvals including BSI, CCC, CSA, IMQ, KC, PSE, SEMKO, and VDE. This facilitates its application in global industrial systems requiring certified components.
The compact 5 x 20 mm cartridge form factor ensures easy integration into existing fuse clips and inline fuse holders. Its ceramic body improves lifespan and safety by improving thermal handling.
Typical use cases include protecting sensitive control circuitry in automation panels, ensuring safe operation of electronic and laboratory measurement systems, and guarding power supply lines in industrial plants.
Designed for 4A continuous current at 250V AC. Ceramic body for enhanced thermal resistance. Time-delay characteristic for transient surge tolerance. Operates from -55°C to 125°C. Compact 5 x 20 mm cartridge size. Meets multiple international safety standards.
Suitable for industrial and electronic protective applications. Explore more Eaton Cartridge Fuses and related electrical components in EnvMart’s comprehensive catalog for industrial automation and electrical protection.
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