300amp Semiconductor Fuses , Fast Breaking Ceramic UL 248 Fuse
300 amp rating EV charger fuse supplier in China
Product information of 300 amp fuse
This EV charger fuse rated current range is 5A~800A,rated voltage up to AC/DC1000V or lower,interrupting rating of AC100KA/DC30KA at AC/DC1000 volt.The intsallation available in bolt type,the rated current range of 5A-150A support mounting bolt M8 screw,rated current range of 175A-500A support mounting bolt M10 screw,rated current range of 600A-800A support mounting bolt M12 screw.
Structure of the 300 amp fuse
The fuse is mainly composed of tube body, end cap, fuse and quartz sand.This type of fuse tube is made of fiber,the end cap is a made of copper alloy tin plating,and fuse wire is made of copper strip.
Application
It is suitable for short-circuit and backup protection of semiconductor devices such as frequency converters, rectifiers, inverters, various power supplies, as well as power batteries, motors, capacitors, wires and other equipment and devices.
Feature data
| 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 |
Dimension of 300 amp HEV fuse in milimeter
| 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 |
FAQ
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Question:What kind of tests do you typically perform internally on fuses?
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Answer:We will test the temperature rise, fusing time and resistance of the fuse
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