CFB0521CF/4
Fuse, Cartridge, Ceramic Fuse, Fast Acting, 4 A, 250 V, 5mm x 20mm
- Manufacturer: CAMDENBOSS
- Product type: Cartridge Fuses
- SVHC: No SVHC (21-Jan-2025)
- Fuse Current: 4A
- Product Range: -
- Fuse Size Metric: 5mm x 20mm
- Fuse Size Imperial: -
- Voltage Rating VAC: 250V
- Blow Characteristic: Fast Acting
- Breaking Capacity Current AC: -
| Delivery and price | |
|---|---|
| Units per pack | 1000 |
| Price | 0.278 € |
| Current stock | 10+ |
| Lead time | 30 days |
**F U S E S** **2 1 4 DIECASTFUSED TERMINAL DIECAST ACCESSORIESBLOCKS** **2 1 7 FUSEHOLDERS** ## **5 x 2 0 m m c e ra m i c f u s e s** ## **5 x 2 0 m m c e ra m i c , q u i c k b l ow** **==> picture [261 x 179] intentionally omitted <==** **----- Start of picture text -----**<br> |||||||| |---|---|---|---|---|---|---| |PA R T N O.|R AT I N G|PA R T N O.|R AT I N G|CFB0521CF| |a ee| |CFB0521CF/500|500mA|CFB0521CF/5|5A| |CFB0521CF/630|630mA|CFB0521CF/6.3|6.3A| |CFB0521CF/800|800mA|CFB0521CF/7.5|7.5A| |CFB0521CF/1|1A|CFB0521CF/8|8.A| |CFB0521CF/1.25|1.25A|CFB0521CF/10|10A| |CFB0521CT| |CFB0521CF/1.6|1.6A|CFB0521CF/12.5|12.5A| |CFB0521CF/2|2A| |CFB0521CF/2.5|2.5A| |CFB0521CF/3.15|3.15A| |CFB0521CF/4|4A| |P r o d u c t ove r v i ew|5.2| |10±0.2| |•|Quick blow (F) IEC60127| |•|Excellent I|[[2]]|T characteristics|innPrt|20±0.5||| **----- End of picture text -----**<br> ## **P r o d u c t ove r v i ew** - Quick blow (F) IEC60127 - Excellent I[[2]] T characteristics - Welded element for enhanced vibration tolerance - Ceramic cartridge, nickel plated brass end caps - Sand filled - Operating temperature -55 **°** C to +125 **°** C - • RoHs, C US , , , , approved (500mA-10A) ~~Ww~~ €o¢ ## **5 x 2 0 m m c e ra m i c , t i m e d e l a y** **==> picture [188 x 129] intentionally omitted <==** **----- Start of picture text -----**<br> ||||| |---|---|---|---| |PA R T N O.|R AT I N G|PA R T N O.|R AT I N G| |nT ee| |CFB0521CT/500|500mA|CFB0521CT/5|5A| |CFB0521CT/630|630mA|CFB0521CT/6.3|6.3A| |CFB0521CT/800|800mA|CF0521CT/7.5|7.5A| |CFB0521CT/1|1A|CFB0521CT/8|8.A| |CFB0521CT/1.25|1.25A|CFB0521CT/10|10A| |CFB0521CT/1.6|1.6A|CFB0521CT/12.5|12.5A| |CFB0521CT/2|2A| |CFB0521CT/2.5|2.5A| |CFB0521CT/3.15|3.15A| |CFB0521CT/4|4A| **----- End of picture text -----**<br> ## **P r o d u c t ove r v i ew** - Time delay (T) IEC60127 - Excellent I[2] T characteristics - Welded element for enhanced vibration tolerance - Ceramic cartridge, nickel plated brass end caps - Sand filled - Operating temperature -55 **°** C to +125 **°** C - • RoHs, C US , , , , approved (200mA-12.5A) ~~Ww~~ @ €e¢ ## **C F B 0 5 2 1 C F** ## **C F B 0 5 2 1 C T** **==> picture [458 x 295] intentionally omitted <==** **----- Start of picture text -----**<br> Average time current (I-T curves) Average time current (I-T curves)<br>1000 1000<br>100 100<br>10 10<br>1 Cre 1 a 1 CCC TT<br>LTT Ae I CUTIE TAT,<br>0.1 SICA EC 0.1 CHICA AA<br>0.01 LETT ENT lll 0.01 a WI AI<br>0.1 1 10 100 1000 0.1 1 10 100 1000<br>Current in amperes Current in amperes<br>Time in seconds<br>Time in seconds<br>**----- End of picture text -----**<br> **229** +44 (0)1638 716101 | sales@camdenboss.com | www.camdenboss.com We operate a constant improvement policy, our products are subject to change without notice. Vers 1
Updated at April 16, 2026
CamdenBoss is a UK-based, world-leading manufacturer of electromechanical components and enclosures. With over 50 years of manufacturing experience, the company is renowned for delivering high-quality, off-the-shelf design-engineered solutions. By maintaining a strong focus on domestic manufacturing, CamdenBoss ensures rigorous quality control, shorter lead times, and a commitment to a greener, more sustainable supply chain. In the realm of electromechanical connectivity, CamdenBoss offers an extensive and highly regarded portfolio of terminal blocks and accessories. The product range is specifically tailored to meet diverse industrial requirements, featuring hundreds of pluggable terminal block headers and sockets, wire-to-board terminal blocks, and standard terminal blocks. For specialized applications, the selection expands to include DIN rail, barrier panel mount, and fused terminal blocks, alongside terminal block interface modules. Beyond its core connectivity solutions, CamdenBoss also manufactures reliable circuit protection components, including a variety of fuses and fuse holders, as well as relay accessories. Whether outfitting a new control panel or sourcing dependable components for printed circuit boards, engineers trust CamdenBoss for their uncompromising quality, extensive choice, and robust performance in demanding technical environments.
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