ALO Series Automotive EV Fuses

Schurter ALO Series Automotive EV Fuses are high-performance, high‑voltage, and high‑current EV fuses that are designed for electric and hybrid vehicle power electronics. These compact fuses are available in two main housing constructions, including ceramic tube and resin-filled tube. The ceramic versions provide enhanced thermal and mechanical robustness, while resin types support compact designs and cost‑optimized solutions. The ALO EV fuses feature high safety and reliability, as well as mechanical vibration and shock resistance. These ALO fuses are specifically developed for high-voltage electric vehicle applications and cover voltages up to 1000VDC and currents up to 900A. Typical applications for the ALO series include Power Distribution Unit (PDUs), Battery Disconnect Units (BDUs), all-in-one controllers, 2-in-1 electric drives, and Battery Management Systems (BMS).

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Qty. RoHS ECAD Model Product
Current Rating
Voltage Rating DC
Interrupt Rating
Mounting Style
Termination Style
Fuse Type
Minimum Operating Temperature
Maximum Operating Temperature
Series
Schurter Automotive Fuses ALO51 Width: 31, Length: 53, Housing material: Melamine, Mounting: Bolt-on A, Rated voltage: 500VDC, Rated current: 250A, Fusecharacteristic: fast, Version: 00
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 140
Mult.: 70

EV Fuse 250 A 500 VDC 20 kA Bolt Down Bolt Down Fast Blow - 40 C + 125 C ALO
Schurter Automotive Fuses ALO51 Width: 31, Length: 53, Housing material: Melamine, Mounting: Bolt-on A, Rated voltage: 500VDC, Rated current: 300A, Fusecharacteristic: fast, Version: 00
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 140
Mult.: 70

EV Fuse 300 A 500 VDC 20 kA Bolt Down Bolt Down Fast Blow - 40 C + 125 C ALO
Schurter Automotive Fuses ALO51 Width: 31, Length: 53, Housing material: Melamine, Mounting: Bolt-on A, Rated voltage: 500VDC, Rated current: 350A, Fusecharacteristic: fast, Version: 00
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 140
Mult.: 70

EV Fuse 350 A 500 VDC 20 kA Bolt Down Bolt Down Fast Blow - 40 C + 125 C ALO
Schurter Automotive Fuses ALO51 Width: 31, Length: 53, Housing material: Melamine, Mounting: Bolt-on A, Rated voltage: 500VDC, Rated current: 400A, Fusecharacteristic: fast, Version: 00
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 140
Mult.: 70

EV Fuse 400 A 500 VDC 20 kA Bolt Down Bolt Down Fast Blow - 40 C + 125 C ALO
Schurter Automotive Fuses ALO52 Width: 31, Length: 53, Housing material: Melamine, Mounting: Bolt-on B, Rated voltage: 500VDC, Rated current: 100A, Fusecharacteristic: fast, Version: 00
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 140
Mult.: 70

EV Fuse 100 A 500 VDC 20 kA Bolt Down Bolt Down Fast Blow - 40 C + 125 C ALO
Schurter Automotive Fuses ALO52 Width: 31, Length: 53, Housing material: Melamine, Mounting: Bolt-on B, Rated voltage: 500VDC, Rated current: 125A, Fusecharacteristic: fast, Version: 00
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 140
Mult.: 70

EV Fuse 125 A 500 VDC 20 kA Bolt Down Bolt Down Fast Blow - 40 C + 125 C ALO
Schurter Automotive Fuses ALO52 Width: 31, Length: 53, Housing material: Melamine, Mounting: Bolt-on B, Rated voltage: 500VDC, Rated current: 150A, Fusecharacteristic: fast, Version: 00
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 140
Mult.: 70

EV Fuse 150 A 500 VDC 20 kA Bolt Down Bolt Down Fast Blow - 40 C + 125 C ALO
Schurter Automotive Fuses ALO52 Width: 31, Length: 53, Housing material: Melamine, Mounting: Bolt-on B, Rated voltage: 500VDC, Rated current: 200A, Fusecharacteristic: fast, Version: 00
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 140
Mult.: 70

EV Fuse 200 A 500 VDC 20 kA Bolt Down Bolt Down Fast Blow - 40 C + 125 C ALO
Schurter Automotive Fuses ALO52 Width: 31, Length: 53, Housing material: Melamine, Mounting: Bolt-on B, Rated voltage: 500VDC, Rated current: 250A, Fusecharacteristic: fast, Version: 00
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 140
Mult.: 70

EV Fuse 250 A 500 VDC 20 kA Bolt Down Bolt Down Fast Blow - 40 C + 125 C ALO
Schurter Automotive Fuses ALO52 Width: 31, Length: 53, Housing material: Melamine, Mounting: Bolt-on B, Rated voltage: 500VDC, Rated current: 300A, Fusecharacteristic: fast, Version: 00
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 140
Mult.: 70

EV Fuse 300 A 500 VDC 20 kA Bolt Down Bolt Down Fast Blow - 40 C + 125 C ALO
Schurter Automotive Fuses ALO52 Width: 31, Length: 53, Housing material: Melamine, Mounting: Bolt-on B, Rated voltage: 500VDC, Rated current: 350A, Fusecharacteristic: fast, Version: 00
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 140
Mult.: 70

EV Fuse 350 A 500 VDC 20 kA Bolt Down Bolt Down Fast Blow - 40 C + 125 C ALO
Schurter Automotive Fuses ALO52 Width: 31, Length: 53, Housing material: Melamine, Mounting: Bolt-on B, Rated voltage: 500VDC, Rated current: 400A, Fusecharacteristic: fast, Version: 00
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 140
Mult.: 70

EV Fuse 400 A 500 VDC 20 kA Bolt Down Bolt Down Fast Blow - 40 C + 125 C ALO
Schurter Automotive Fuses ALO53 Width: 38, Length: 53, Housing material: Melamine, Mounting: Bolt-on A, Rated voltage: 500VDC, Rated current: 200A, Fusecharacteristic: fast, Version: 00
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 72
Mult.: 3

EV Fuse 200 A 500 VDC 20 kA Bolt Down Bolt Down Fast Blow - 40 C + 125 C ALO
Schurter Automotive Fuses ALO53 Width: 38, Length: 53, Housing material: Melamine, Mounting: Bolt-on A, Rated voltage: 500VDC, Rated current: 250A, Fusecharacteristic: fast, Version: 00
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 72
Mult.: 3

EV Fuse 250 A 500 VDC 20 kA Bolt Down Bolt Down Fast Blow - 40 C + 125 C ALO
Schurter Automotive Fuses ALO53 Width: 38, Length: 53, Housing material: Melamine, Mounting: Bolt-on A, Rated voltage: 500VDC, Rated current: 300A, Fusecharacteristic: fast, Version: 00
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 72
Mult.: 3

EV Fuse 300 A 500 VDC 20 kA Bolt Down Bolt Down Fast Blow - 40 C + 125 C ALO
Schurter Automotive Fuses ALO53 Width: 38, Length: 53, Housing material: Melamine, Mounting: Bolt-on A, Rated voltage: 500VDC, Rated current: 350A, Fusecharacteristic: fast, Version: 00
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 72
Mult.: 3

EV Fuse 350 A 500 VDC 20 kA Bolt Down Bolt Down Fast Blow - 40 C + 125 C ALO
Schurter Automotive Fuses ALO53 Width: 38, Length: 53, Housing material: Melamine, Mounting: Bolt-on A, Rated voltage: 500VDC, Rated current: 400A, Fusecharacteristic: fast, Version: 00
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 72
Mult.: 3

EV Fuse 400 A 500 VDC 20 kA Bolt Down Bolt Down Fast Blow - 40 C + 125 C ALO
Schurter Automotive Fuses ALO53 Width: 38, Length: 53, Housing material: Melamine, Mounting: Bolt-on A, Rated voltage: 500VDC, Rated current: 450A, Fusecharacteristic: fast, Version: 00
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 72
Mult.: 3

EV Fuse 450 A 500 VDC 20 kA Bolt Down Bolt Down Fast Blow - 40 C + 125 C ALO
Schurter Automotive Fuses ALO53 Width: 38, Length: 53, Housing material: Melamine, Mounting: Bolt-on A, Rated voltage: 500VDC, Rated current: 500A, Fusecharacteristic: fast, Version: 00
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 72
Mult.: 3

EV Fuse 500 A 500 VDC 20 kA Bolt Down Bolt Down Fast Blow - 40 C + 125 C ALO
Schurter Automotive Fuses ALO53 Width: 38, Length: 53, Housing material: Melamine, Mounting: Bolt-on A, Rated voltage: 500VDC, Rated current: 550A, Fusecharacteristic: fast, Version: 00
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 70
Mult.: 3

EV Fuse 550 A 500 VDC 20 kA Bolt Down Bolt Down Fast Blow - 40 C + 125 C ALO
Schurter Automotive Fuses ALO53 Width: 38, Length: 53, Housing material: Melamine, Mounting: Bolt-on A, Rated voltage: 500VDC, Rated current: 630A, Fusecharacteristic: fast, Version: 00
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 72
Mult.: 3

EV Fuse 630 A 500 VDC 20 kA Bolt Down Bolt Down Fast Blow - 40 C + 125 C ALO
Schurter Automotive Fuses ALO53 Width: 38, Length: 53, Housing material: Melamine, Mounting: Bolt-on A, Rated voltage: 500VDC, Rated current: 700A, Fusecharacteristic: fast, Version: 00
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 72
Mult.: 3

EV Fuse 700 A 500 VDC 20 kA Bolt Down Bolt Down Fast Blow - 40 C + 125 C ALO
Schurter Automotive Fuses ALO54 Width: 38, Length: 53, Housing material: Melamine, Mounting: Bolt-on B, Rated voltage: 500VDC, Rated current: 200A, Fusecharacteristic: fast, Version: 00
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 72
Mult.: 3

EV Fuse 200 A 500 VDC 20 kA Bolt Down Bolt Down Fast Blow - 40 C + 125 C ALO
Schurter Automotive Fuses ALO54 Width: 38, Length: 53, Housing material: Melamine, Mounting: Bolt-on B, Rated voltage: 500VDC, Rated current: 225A, Fusecharacteristic: fast, Version: 00
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 72
Mult.: 3

EV Fuse 225 A 500 VDC 20 kA Bolt Down Bolt Down Fast Blow - 40 C + 125 C ALO
Schurter Automotive Fuses ALO54 Width: 38, Length: 53, Housing material: Melamine, Mounting: Bolt-on B, Rated voltage: 500VDC, Rated current: 250A, Fusecharacteristic: fast, Version: 00
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 72
Mult.: 3

EV Fuse 250 A 500 VDC 20 kA Bolt Down Bolt Down Fast Blow - 40 C + 125 C ALO