High Voltage fuse main use on automobile
1. product details of HEV fuse
Rated voltage:AC/DC 1000V or lower
Rated Current:5A-800A
Breaking Capacity:AC100KA/DC30KA
Related Standard:UL248-20,ISO8820,JASO-D622,IEC60269,RoHS
2. Structure of 1000V HEV series fuse
The melting tube of this HEV fuse is composed of high temperature resistant ceramic material,with high flame retardant performance and strong hardness.The melt is sealed in the melting tube with a varible cross-section melt made of 99.99% pure silver.The melting tube is filled with chemically treated high-purity quartz sand and specially treated chemical materials as arc extinguishing medium.The contact surface is silver plated to ensure reliable electrical performance,greetly reducing temperature rise and power consumption;Both ends of the melt are firmly connected with the contact by spot welding,which greatly enhance the safety and reliability of breaking short circuit fault current.
3. Dimension of the 1000V HEV series fuse
| Dimension 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 |
4. Product type of HEV fuse,Choose the dimension according to the rated current.
| Model | Rated Current | I2t(A2s) | Power dissipation | Size code | Install |
| HEV-J-Q-5 | 5A | 20 | 115 | 1.8 | HF1 | Mounting Bolt M8 recommended torque 11N·m |
| HEV-J-Q-10 | 10A | 30 | 170 | 2.2 | |
| HEV-J-Q-15 | 15A | 48 | 220 | 3.1 | |
| HEV-J-Q-20 | 20A | 72 | 360 | 3.6 | |
| HEV-J-Q-25 | 25A | 85 | 510 | 4.2 | |
| HEV-J-Q-30 | 30A | 110 | 830 | 5.1 | |
| HEV-J-Q-35 | 35A | 180 | 1250 | 6.3 | |
| HEV-J-Q-40 | 40A | 290 | 1650 | 7.8 | |
| HEV-J-Q-45 | 45A | 350 | 1900 | 8.5 | |
| HEV-J-Q-50 | 50A | 440 | 2450 | 10 | |
| HEV-J-Q-60 | 60A | 600 | 3500 | 12.5 | |
| HEV-J-Q-70 | 70A | 820 | 5500 | 14 | |
| HEV-J-Q-80 | 80A | 1050 | 6500 | 16 | |
| HEV-J-Q-90 | 90A | 1800 | 10500 | 17 | HF2 | |
| HEV-J-Q-100 | 100A | 2300 | 12000 | 18 | |
| HEV-J-Q-125 | 125A | 3400 | 21000 | 20 | |
| HEV-J-Q-150 | 150A | 4900 | 25500 | 27 | |
| HEV-J-Q-175 | 175A | 9200 | 40000 | 30 | HF3 | |
| HEV-J-Q-200 | 200A | 15000 | 60000 | 32 | |
| HEV-J-Q-225 | 225A | 19000 | 105000 | 40 | |
| HEV-J-Q-250 | 250A | 24000 | 113000 | 47 | Mounting Bolt M10 recommended torque 20N·m |
| HEV-J-Q-275 | 275A | 25000 | 130000 | 49 | |
| HEV-J-Q-300 | 300A | 26000 | 160000 | 52 | |
| HEV-J-Q-325 | 325A | 33000 | 180000 | 55 | |
| HEV-J-Q-350 | 350A | 42000 | 230000 | 60 | HF4 | |
| HEV-J-Q-400 | 400A | 71000 | 320000 | 65 | |
| HEV-J-Q-450 | 450A | 78000 | 300000 | 80 | |
| HEV-J-Q-500 | 500A | 105000 | 350000 | 95 | |
| HEV-J-Q-600 | 600A | 163000 | 530000 | 105 | HF5 | Mounting bolt M12 recommended torque 28N·m |
| HEV-J-Q-700 | 700A | 320000 | 680000 | 155 | |
| HEV-J-Q-800 | 800A | 420000 | 870000 | 185 | |
5.FAQ
Q1:Are fuses also uesd in foreign-made automobiles?
A:The fuse is used by automakers around the world. Automatic fuse, mini fuse and low -key fuses are under international standards and used in vehicles around the world. Our automatic fuse, mini fuse and configuration fuse are used in vehicles made in Japan and South Korea and other parts of Asia.
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