Hbc Ceramic Tube Fuse Time-Lag 5X20 mm

Model NO.: RT1-20 (H) Type: Current Fuse Shape: Insert Fusing Device: Pop-up Solid Trademark: Songshan Origin: Shanghai, China Breaking Capacity: High Usaga: Low Voltage Fusing Speed: T Standard: TUV Specification: 5.0x20 mm HS Code: 85361000 RT1-20 (H) is ceramic tube, high breaking, delay fuse. The dimension is Ф5×20±0.5. The fuse is used in power circuit and large power equipment, not only has three parts of the general fuse, but also interrupter device. The circuit the fuse protects has large working current, when the melt blows, the voltage of both ends is very high, there often appears a phenomenon that the melt has been melted, even up to vaporization, but the current is not cut off, the reason is that in a flash under the action of voltage and current, the arc phenomenon occurs between the two electrodes of the fuse. The interrupter device must have strong insulation and good thermal conductivity, and be negatively charged. Quartz sand filled in this product is a commonly used arc extinguishing material.


Unit:mm
 

 
Electrical  characteristics

Model	Rated current (A)	Rated voltage (V)	Max Voltage drop (mV)	Max persistence Power consumption (W)
RT1-20(H)	1A	250	350	2.5
RT1-20(H)	1.25A	250	300	2.5
RT1-20(H)	1.6A	250	200	2.5
RT1-20(H)	2A	250	190	2.5
RT1-20(H)	2.5A	250	180	2.5
RT1-20(H)	3.15A	250	140	4
RT1-20(H)	4A	250	100	4
RT1-20(H)	5A	250	100	4
RT1-20(H)	6.3A	250	100	4
RT1-20(H)	8A	250	100	4
RT1-20(H)	10A	250	100	4
RT1-20(H)	12.5A	250	80	4
RT1-20(H)	13A	250	80	4
RT1-20(H)	15A	250	80	4
RT1-20(H)	16A	250	80	6

 
RT1-20 (H) Current characteristics

Rated		Blowing time
		1A-3.15A	More than 3.15A-10A	More than 10A-16A
2.1In	Max	30min	30min	30min
2.75 In	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 
 
 
Certification

Model	Certification	Certification number	Current range
RT1-20(H)	TUV	J50164160-0001	1 A-15A

 
RT1-20(H) Current-time curve
 


                                       Current(A)

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