EV Spare Parts New Energy Electric Vehicle High Voltage Fuse DC750--250-400

EV Spare Parts New Energy Electric Vehicle High Voltage Fuse DC750--250-400

• Standard: IS0 8820-1, IS0 8820-8, JASO D622

• Rated voltage: DC750V

• Rated current: 250A, 300A, 350A, 400A

• Breaking capacity: 20kA

• Protection object: Provide safer and more reliable protection against overload and short-circuit current faults of electric vehicle lithium battery pack, Super-capacitor circuit , charging circuit, DC-DC converter and other devices.

• Applicable environment: Temperature from -35℃ to 85℃, humidity ≤90%

• Material description: 95 alumina high strength ceramics and imported material fuse piece

• Structure process: copper metal is riveted after welding process; The internal quartz sand is processed by solidification to prevent products from falling off in dynamic working conditions and prevent arc spraying which is caused by line faults.

STRUCTURAL DIAGRAM

 

ELECTRICAL TECHNICAL REFERENCE
Product model Rated current (A) I²t (A²s) Breaking capacity Power consumption (w) 0.5In Mounting bolts/torque
Pre-arc Fusing
SEV35A750 - 250A 250 23500 94500 20kA time constant
(L/R): 2ms ± 0.5ms
10.3 Mounting bolt M10,
recommended mounting torque 20N*m
SEV35A750 - 300A 300 30000 121000 12.40
13.70
SEV35A750 - 350A 350 35400 135000
SEV35A750 - 400A 400 44200 160000 1680

 

DIMENSIONS

 

TIME CURRENT CHARACTERISTIC CURVE

 

FUSE TEMPERATURE CORRECTION COEFFICIENT DIAGRAM

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