Littelfuse Slo-Blo 239 Series Time Delay Fuse 3A 250V 5x20mm
Littelfuse Slo-Blo 3A time delay cartridge fuse. 250V AC, 5x20mm, anti-surge protection for appliances.
The Littelfuse Slo-Blo 239 Series Time Delay Fuse is a high-quality 3A, 250V AC cartridge fuse designed for reliable anti-surge protection in a wide range of electrical appliances and utilization equipment. This fuse features a robust glass body, tin-plated copper leads, and a nickel-plated brass cap, ensuring durability and consistent performance. With a nominal cold resistance of 0.04877Ω and an operating temperature range of -55°C to 125°C, it is built to withstand demanding conditions.
This time delay (also known as slow-blow) fuse is specifically engineered to tolerate temporary inrush currents without nuisance tripping, while still providing effective protection against overcurrent conditions. It complies with the UL/CSA/ANCE 248 standard, making it a trusted choice for supplementary protection of individual components or internal circuits within appliances and utilization equipment.
Key Features:
- Blow Characteristic: Time Delay (Anti-Surge)
- Current Rating: 3A
- Voltage Rating: 250V AC
- Fuse Size: 5mm x 20mm (0.2
- Supplementary protection in appliances
- Utilization equipment
- Individual protection for components
- Internal circuits
- Blow Characteristic: Time Delay
- Fuse Current: 3A
- Voltage Rating VAC: 250V
- Fuse Size Metric: 5mm x 20mm
- Fuse Size Imperial: 0.2
- Fuse Size Imperial: 0.79
- Product Range: Slo-Blo 239 Series
- Breaking Capacity Current AC: 100A
- Nominal Cold Resistance: 0.04877Ω
- Operating Temperature Range: -55°C to 125°C
- Body Material: Glass
- Lead Material: Tin-plated copper
- Cap Material: Nickel-plated brass
- Standards: UL/CSA/ANCE 248
- Weight: 0.953 grams
- SVHC: No SVHC (23-Jan-2024)
Always follow local regulations and product guidance.
Free standard delivery on UK mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
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