Glass Tube Fuse 5*20 Time-Lag 125V/150V Rt1-20/125V/150V Series
- Place of Origin:
- Shanghai, China
Basic Info
Model No.: RT1-20/125V/150V series
Product Description
Model NO.: RT1-20/125V/150V series
Type: Current Fuse
Shape: Insert
Fusing Device: Pop-up Solid
Trademark: songshan
Origin: Shanghai, China
Breaking Capacity: Low
Usaga: Low Voltage
Fusing Speed: T
Standard: VDE
Specification: 5x20 mm
HS Code: 85361000
RT1-20/125V/150V series
RT1-20 (E) with TUV certification, size 5 x 20±0.5, ceramic tube, time-lag, high breaking fuses can be used with holders or clips.
In the process of circuit-breaking of the fuse, because of the circuit voltage, the arc will occur in the gap when melting off, fuse with high quality should avoid as much as possible this arc, and can withstand the circuit voltage added to both ends after it breaks the circuit.
Fuse as a safety element must have two basic functions of electrical performance and security at the same time. Because the quartz sand has a strong cooling effect on the arc, the arc is quickly extinguished, and during the whole process of breaking current, the silent light, high breaking capacity, good security.
Unit:mm

Electrical characteristics
Model | Rated current (A) | Rated voltage (V) | Max Voltage drop (mV) | Max persistence Power consumption (W) |
RT1-20 | 500mA | 125/150 | 900 | 1.6 |
RT1-20 | 630mA | 125/150 | 300 | 1.6 |
RT1-20 | 800mA | 125/150 | 150 | 1.6 |
RT1-20 | 1A | 125/150 | 150 | 1.6 |
RT1-20 | 1.25A | 125/150 | 150 | 1.6 |
RT1-20 | 1.6A | 125/150 | 150 | 1.6 |
RT1-20 | 2A | 125/150 | 150 | 1.6 |
RT1-20 | 2.5A | 125/150 | 120 | 1.6 |
RT1-20 | 3A | 125/150 | 100 | 1.6 |
RT1-20 | 3.15A | 125/150 | 100 | 1.6 |
RT1-20 | 4A | 125/150 | 100 | 1.6 |
RT1-20 | 5A | 125/150 | 100 | 1.6 |
RT1-20 | 6.3A | 125/150 | 100 | 1.6 |
RT1-20 | 8A | 125/150 | 100 | 4 |
RT1-20 | 10A | 125/150 | 100 | 4 |
RT1-20 | 12.5A | 125/150 | 80 | 6 |
RT1-20 | 15A | 125/150 | 80 | 6 |
Current characteristics
Rated | Blowing time | ||
More than 100mA-10A | More than 10A-16A | ||
2.1In | Max | 2min | 5min |
2.75 In | Min | 600ms | 600ms |
Max | 10s | 15s | |
4 In | Min | 150ms | 150ms |
Max | 3s | 5s | |
10 In | Min | 20ms | 20ms |
Max | 300ms | 400ms |
Rated breaking capacity
35A or 10In whichever is greater
Certification
Model | Certification | Certification number | Current range |
RT1-20 | TUV | J50287669-0001 | 100mA-20A |
RT1-20/125V/150V Current-time curve

Product Categories : Cartridge Fuse > Glass Fuse
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