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Ceramic Tube Fuse 5*20 Time-Lag High-Breaking 125V/250V Rt2-20 (H)

Basic Info

Model No.:  RT2-20 (H)

Product Description

Model NO.: RT2-20 (H) Type: Current Fuse Shape: Circle Fusing Device: Pop-up Solid Trademark: songshan Origin: Shanghai, China Breaking Capacity: High Usaga: Low Voltage Fusing Speed: T Standard: VDE Specification: 5x20 mm HS Code: 85361000 RT2-20 (H) series
RT2-20 (H), dimension Ф5×20±1, ceramic tube, high breaking, slow blow, lead fuse, direct welding.
Fuse, as a security element, in addition to its performance requirements, must have strict safety requirements, an important indicator of fuse safety performance is reflected in breaking capacity of a fuse, which means the maximum short-circuit current a fuse can withstand without any unsafe phenomenon in the process of breaking the circuit, the unsafe phenomena include sustained arcing, smoke, spray, splash, combustion and explosion etc. Quartz sand is a good material for insulation, cooling and arc extinguishing. As a product full of quartz sand, it has good stability and security.

Ceramic Tube Fuse 5*20 Time-Lag High-Breaking 125V/250V Rt2-20 (H)
Electrical  characteristics
   Model Rated current
Rated voltage
Voltage drop
Power consumption
RT2-20(H) 1A 250 350 2.5
RT2-20(H) 1.25A 250 300 2.5
RT2-20(H) 1.6A 250 200 2.5
RT2-20(H) 2A 250 190 2.5
RT2-20(H) 2.5A 250 180 2.5
RT2-20(H) 3.15A 250 140 4
RT2-20(H) 4A 250 100 4
RT2-20(H) 5A 250 100 4
RT2-20(H) 6.3A 250 100 4
RT2-20(H) 8A 250 100 4
RT2-20(H) 10A 250 100 4
RT2-20(H) 12.5A 250 80 4
RT2-20(H) 16A 250 80 6
RT2-20 (H) Current characteristics
Rated  Blowing time
1A-3.15A More than
More than
2.1In Max 30min 30min 30min
Min 750ms 750ms 750ms
Max 80s 80s 80s
4 In Min 95ms 150ms 150ms
Max 5s 5s 8s
10 In Min 10ms 10ms 10ms
Max 150ms 150ms 150ms
Rated breaking capacity:1500A 
RT2-20(H) Current-time curve
Ceramic Tube Fuse 5*20 Time-Lag High-Breaking 125V/250V Rt2-20 (H)

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