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Ceramic Tube Fuse 5*20 Fast-Acting RF2-20

Basic Info

Model No.:  RF2-20

Product Description

Model NO.: RF2-20 Type: Current Fuse Shape: Insert Fusing Device: Pop-up Solid Trademark: songshan Origin: Shanghai, China Breaking Capacity: Low Usaga: Low Voltage Fusing Speed: F Standard: VDE Specification: 5.0x20 mm HS Code: 85361000 RF2-20 series(Ceramic tube)
This product is a type of power protector fixed in Electric devices in case of short circuit and overload. It is a tube type fast fuse, which is made of ceramic tube with clean surface but without crack or distortion. The both sides are covered by nickel plating brass caps with good electrical conductivity. The melt is made of copper-silver alloy. It is a built-in product with lead, which conforms to the standard of IEC60127-II, and gained the product certificate TUV, CCC and CQC. The fuse is widely used in power supply, white goods and electrical working tools, etc. The dimension of the tube is 31.8±0.8(30±1)with diameter ø6.35±1. 
Ceramic Tube Fuse 5*20 Fast-Acting RF2-20

Electrical  characteristics
   Model Rated current
Rated voltage
Voltage drop
Power consumption
RF2-20 500mA 250 1000 1.6
RF2-20 630mA 250 650 1.6
RF2-20 750mA 250 650 1.6
RF2-20 800mA 250 240 1.6
RF2-20 1A 250 200 1.6
RF2-20 1.25A 250 200 1.6
RF2-20 1.6A 250 190 1.6
RF2-20 2A 250 170 1.6
RF2-20 2.5A 250 170 1.6
RF2-20 3.15A 250 150 2.5
RF2-20 4A 250 130 2.5
RF2-20 5A 250 130 2.5
RF2-20 6.3A 250 130 2.5
RF2-20 8A 250 130 4
RF2-20 10A 125/250 130 4
RF2-20 12.5A 125/250 100 6
RF2-20 16A 125/250 100 6
Current characteristics
Rated  Blowing time
more than 100mA-6.3A more than 6.3A-10A more than
2.1In Max 30min 30min 30min
Min 50ms 50ms 50ms
Max 2s 2s 3s
4 In Min 10ms 10ms 10ms
Max 300ms 400ms 400ms
10 In Max 20ms 40ms 50ms
Rated breaking capacity
35A or 10In whichever is greater   
Ceramic Tube Fuse 5*20 Fast-Acting RF2-20


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