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Hbc Tube Fuse Fast-Acting Axial Lead

Place of Origin: 
Shanghai, China

Basic Info

Model No.:  RF2-20(H)

Product Description

Model NO.: RF2-20(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: VDE Specification: 5x20 mm HS Code: 85361000 RF2-20(H) series
RF2-20 (H) ceramic tube fast-acting high breaking capacity fuse with lead, size: Ф5×20±1, the products conform to IEC60127-11 standard.
This product is a high breaking product, the melt of such fuse with high breaking capacity is usually made of copper, and also silver. When the rated current is smaller, the melt is usually made into a filament; when the rated current is larger, it will be made into a variable cross-section. Since copper and silver are metal materials with high melting point, to break current reliably under high overload current, low melting point metal is often welded in the melt intervals, such as tin or cadmium alloy, in order to reduce the melting temperature, this effect is also known as metallurgical effect (M effect).

Hbc Tube Fuse Fast-Acting Axial Lead
Electrical  characteristics
   Model Rated current
Rated voltage
Voltage drop
Power consumption
RF2-20(H) 500mA 250 1800 2.5
RF2-20(H) 630mA 250 1500 2.5
RF2-20(H) 800mA 250 1200 2.5
RF2-20(H) 1A 250 1000 2.5
RF2-20(H) 1.25A 250 800 4
RF2-20(H) 1.6A 250 600 4
RF2-20(H) 2A 250 500 4
RF2-20(H) 2.5A 250 400 4
RF2-20(H) 3.15A 250 350 4
RF2-20(H) 4A 250 300 4
RF2-20(H) 5A 250 250 4
RF2-20(H) 6.3A 250 200 4
RF2-20(H) 8A 250 200 4
RF2-20(H) 10A 250 200 4
RF2-20(H) 12.5A 250 180 4
RF2-20(H) 16A 250 180 6
RF2-20(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 
RF2-20(H) series Current-time curve

Hbc Tube Fuse Fast-Acting Axial Lead

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