High breaking capacity fuse China supplier with 20 years experience
Product basic information
Rated voltage: DC1000V or lower
Rated current:300A
Class of protection:aR
Breaking capacity:DC30kA(time constant≤15ms)
Installation type:Available in bolt
Compliance with RoHS
Application of the HEV fuse
This HEV fuse are used extensively in cars, trucks, buses and off-road transportation equipment to protect the cables, wires and electrical components that supply electrical power to operate lights, heaters, air conditioning, radios, power windows and other electrical accessories. They are also used in electric and hybrid vehicles and a variety of electronic applications.
Structure of HEV fuse
This series of products are round-tube bolt-connected fuses, which have the characteristics of small size, fast blowing, low I2t, and high reliability.The melting tube with a varible cross-section melt made of 99.99% pure silver.The tube is made of fiber tube, the melting wire is copper or silver, the contact surface is copper alloy tin plating ,and the melting tube is filled with chemiically treated high-purity quartz sand and specially treated chemical materials as arc extinguishing medium.
Related standard
This HEV series fuse meet the requirement of UL-248-20,ISO8820,JASO-D622,EU and RoHS detective,TUV certified standard etc.
Dimension of the HEV fuse,Choose the dimension according to the rated current.
| Model | Rated Current(A) | 100% voltage drop (mv) | Size code | Installation |
| HEV-J-Q-300 | 300 | 298 | HF3 | Mounting Bolt M10, Recommend Torque: 21N.m |
| Size code | A±2 | B±1.5 | C±1 | D±1.5 | E±1.5 | F±1 | G±0.5 | H±0.2 | J±1 |
| HF3 | 139.5 | 38 | 83.5 | 99.5 | 120 | 10.5 | 25 | 6 | 20.7 |
| Size code | A±2 | B±1.5 | C±1 | D±1.5 | E±1.5 | F±1 | G±0.5 | H±0.2 | J±1 |
| HF1 | 124 | 25 | 78 | 100 | 109 | 9 | 18 | 4 | 13.5 |
| HF2 | 117 | 33 | 78 | 93 | 100 | 9 | 22 | 5 | 12.5 |
| HF3 | 139.5 | 38 | 83.5 | 99.5 | 120 | 10.5 | 25 | 6 | 20.7 |
| HF4 | 146.5 | 50 | 89.5 | 106 | 126.5 | 10.5 | 38 | 6 | 20.7 |
| HF5 | 197.5 | 63 | 89.5 | 123.5 | 162.5 | 13.5 | 50 | 10 | 33 |
HF1:HEV-J-Q 5A~80A
HF2:HEV-J-Q 90A~150A
HF3:HEV-J-Q 175A~325A
HF4:HEV-J-Q 350A~500A
HF5:HEV-J-Q 600A~800A
HF1 and HF2 size available in mounting bolt M8 recommened torque 11N·m(Current range of 5A~150A)
HF3 and HF4 size available in mounting bolt M10 recommened torque 20N·m(Current range of 175A~500A)
HF5 size available in mounting bolt M12 recommened torque 28N·m(Current range of 600A~800A)
Material of the HEV fuse
The main boby material is fiber tube,the fuse wire consist of copper or silver and the end cap made of Copper alloy tin plating.
FAQ
Question 1:How to choose a fuse?
Answer:At the beginning,We will send you a customer actual application form.Generally, we need to clear your application field, opperating current and operating voltage, installation methods, certification requirements, and other parameter requirements.
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