Littelfuse Glass Cartridge Fuse Time Delay 5 x 20mm 250V AC - 4A
Littelfuse time-delay glass cartridge fuse (5 x 20mm, 250V AC). Ideal for supplementary protection in appliances and internal circuits.
The Littelfuse Glass Cartridge Fuse is a time-delay (slow-blow) device designed to provide reliable supplementary protection in appliances and utilisation equipment. Engineered to meet the rigorous UL/CSA/ANCE 248 standards, this fuse offers excellent individual protection for internal circuits and sensitive components. It safely prevents damage from sustained overcurrent conditions while accommodating harmless temporary power surges, ensuring your equipment remains operational without nuisance tripping.
Featuring a robust glass body with a nickel-plated brass cap and tin-plated copper leads, this cartridge fuse ensures secure installation and consistent electrical performance. It operates effectively across a broad temperature range from -55°C to 125°C, making it highly suitable for demanding and variable environments. With a metric size of 5mm x 20mm and a voltage rating of 250V AC, it delivers a breaking capacity of 100A AC.
Ideal for power management and safety applications, the 239 Series slow-blow fuse is a versatile and essential choice for safeguarding electronic systems against overloads and short circuits.
Variant Details
- Size: 4A
- Supplementary protection in appliances
- Protection for internal circuits in utilisation equipment
- Power management applications
- Safety circuits
- Body Type: Glass
- Blow Characteristic: Time Delay (Time-Lag)
- Voltage Rating AC: 250V
- Breaking Capacity: 40A AC
- Standard: IEC 60127-2
- Operating Temperature Range: -55°C to 125°C
- Cap Material: Nickel-Plated Brass
- Lead Material: Tin-Plated Copper
- Fuse Size (Metric): 5mm x 20mm
- Fuse Size (Imperial): 0.2in x 0.79in
- Product Range: 218
- Fuse Current: 4A
- Voltage Rating VAC: 250V
- Breaking Capacity Current AC: 40A
- SVHC: No SVHC (23-Jan-2024)
Documents
Always follow local regulations and product guidance.
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