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Hbc Tube Fuse Fast-Acting 5 X 20 mm

Basic Info

Model No.:  RF1-20(H)

Product Description

Model NO.: RF1-20(H) Type: Current Fuse Shape: Insert Fusing Device: Pop-up Solid Trademark: songshan Origin: Shanghai, China Breaking Capacity: High Usaga: Low Voltage Fusing Speed: F Standard: TUV Specification: 5x20 mm HS Code: 85361000 RF1-20(H) series
RF1-20 (H) ceramic tube high breaking fast-acting fuse, with size: Ф5×20±0.5, the products conform to TUVJ50078894 standard. This product is not with lead, and needs to be fitted with a holder or clip.
This product is: fuse installed in the porcelain tube is filled with quartz sand, which acts as the arc extinguishing medium. The particle size of quartz sand has a great influence on the arc extinguishing performance, and the particle diameter is in the range of 0.2~0.3mm. When the overload current or short-circuit current goes through the fuse, the fuse melts and arc is generated  in the tube, the quartz sand has a strong cooling effect on arc and deionization, the arc soon extinguished. In breaking up the large short-circuit current; usually the arc can be extinguished before the short circuit current has not reached the maximum value. In the whole process of breaking current, there is the phenomenon of silent light, no ionized gas, and high breaking capacity.

Hbc Tube Fuse Fast-Acting 5 X 20 mm
 Electrical  characteristics
   Model Rated current
Rated voltage
Voltage drop
Power consumption
RF1-20(H) 500mA 250 1800 2.5
RF1-20(H) 630mA 250 1500 2.5
RF1-20(H) 800mA 250 1200 2.5
RF1-20(H) 1A 250 1000 2.5
RF1-20(H) 1.25A 250 800 4
RF1-20(H) 1.6A 250 600 4
RF1-20(H) 2A 250 500 4
RF1-20(H) 2.5A 250 400 4
RF1-20(H) 3.15A 250 350 4
RF1-20(H) 4A 250 300 4
RF1-20(H) 5A 250 250 4
RF1-20(H) 6.3A 250 200 4
RF1-20(H) 8A 250 200 4
RF1-20(H) 10A 250 200 4
RF1-20(H) 12A 250 180 4
RF1-20(H) 12.5A 250 180 4
RF1-20(H) 16A 250 180 6
RF1-20(H) Current characteristics
Rated  Blowing time
500mA-4A More than
More than
More than
2.1In Max 30min 30min 30min 30min
Min 10ms 10ms 40ms 40ms
Max 2s 3s 20s 20s
4 In Min 3ms 3ms 10ms 10ms
Max 300ms 300ms 1s 1s
10 In Min 20ms 20ms 30ms 40ms
Rated breaking capacity:1500A 
Model Certification Certification number Current range
RF1-20(H) TUV J50078894-0003 8A-12A
RF1-20(H) series Current-time curve

Hbc Tube Fuse Fast-Acting 5 X 20 mm


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