High-voltage power distribution and protection

Fuses

Eaton’s Bussmann® series electric vehicle (EV) fuses are tailored protection solutions that feature market-leading compact and high-speed designs, with lifetime durability simulation capabilities. 

Available for 500 - 1000V DC vehicle systems including fuse ratings up to 1000 A, Bussmann EV fuses provide high performing DC protection of drive, auxiliary and battery systems. The fuses are also available as custom solutions for higher voltage and current ratings.

All-new EVK series fuses

Explore technical details for our new line of fuses designed specifically for use in new high-powered electrified vehicles (EVs).

EV fuses application guide

Learn about the Eaton Bussmann series fuse portfolio for hybrid and battery electric vehicles.

Designed for the protection of main circuit and high-power battery charging up to 500 – 1000V DC in ratings from 150 to 1000 A.

Mains / charging: battery protection, battery inverter, fast charging

Download our technical brochure

  • Requires up to 25% less space and reduced weight with best-in class top ratings per build size
  • Operation as low as 200% overload for short circuit protection of conductors and effortless contactor coordination
  • Fit for high power application with 20kA interrupting capability for tomorrow‘s battery capacities to support vehicle range
  • Simulation of unique driving profiles and charging conditions to verify proper fuse life performance and vehicle lifetime support
  • Pre-validated to JASO D622 / ISO 8820-8 / UL248-20 to reduce project test cost
  • Engineered & manufactured under IATF16949 quality system

 

Designed for the protection of high power charging and as back-up main protection up to 1000 Vdc in rating up to 1000 amps.

Mains / charging: battery protection, fast charging

  • Best in class high short circuit interruption 50kA and above to limit fault current and energy to enable charging station coordination in line with ISO17409
  • Efficient architecture design with 3 build sizes and slot terminals with cross section adequately sized for high DC charging currents
  • Custom terminals available to fit pre-defined space requirements
  • To help protect the life of the fuse in your application, unique driving profiles and conditions can be simulated to verify proper fuse size and performance under a wide range of driving behaviors
  • Pre-validated to ISO 8820-8 / LV 124, request your testing overview depending on application rating and system requirements
  • Engineered & manufactured under IATF16949 quality system
spacer

Designed for the protection of high-power battery charging and management systems up to 500 & 1000 Vdc in rating from 10 to 50 amps.

Auxiliary: DC/DC converter, HVAC, OBC

Download our technical brochure

  • Operation as low as 130% overload provides backup protection to the battery management system for conductor protection
  • Multiple tag variants to support bus-bar, conductor, and PCB mounting
  • Color-coding on fuse label identifying the current rating to error-proof assembly process involving multiple auxiliary fuses
  • Fit for high power application with 20kA interrupting capability for tomorrow‘s battery capacities to support vehicle range
  • Pre-validated to JASO D622 / ISO 8820-8 / UL248-20 to reduce project test cost
  • Engineered & manufactured under IATF16949 quality system
spacer

Designed for the protection of main circuit and high-power battery charging up to 500 – 1000V DC in ratings from 150 to 1000 A.

Mains / charging: battery protection, battery inverter, fast charging

Download our technical brochure

  • Requires up to 25% less space and reduced weight with best-in class top ratings per build size
  • Operation as low as 200% overload for short circuit protection of conductors and effortless contactor coordination
  • Fit for high power application with 20kA interrupting capability for tomorrow‘s battery capacities to support vehicle range
  • Simulation of unique driving profiles and charging conditions to verify proper fuse life performance and vehicle lifetime support
  • Pre-validated to JASO D622 / ISO 8820-8 / UL248-20 to reduce project test cost
  • Engineered & manufactured under IATF16949 quality system
spacer
 

productfamily.specification
Volts 500 Vdc
Amps
  • EV20; 50 to 150 A
  • EV25; 100 to 250 A
  • EV30; 200 to 400 A
  • EV10 (all versions); 20 to 50 A
Interrupting ratings
  • EV20, EV25 and EV30; Max DC 20 kA, Min DC 200%
  • EV10 (all versions) Max DC 20 kA, Min DC 135%
Agency information
  • Designed to JASO D622 and ISO 8820-8
  • Manufactured under a IATF 16949 quality system for compliance with automotive requirements
  • RoHS compliant
Dimensions See catalog:

Volts 1000V
Amps
  • EV1XSQ (500V, up to 630A; 1000V, up to 350A)
  • EV1SQ (500V, up to 800A; 1000V, up to 630A)
  • EV2SQ (500V, up to 900A; 1000V, up to 800A)
Interrupting ratings
  • Square body interrupting ratings
Dimensions See catalog:

productfamily.downloadlink
X
Download Close
How to buy
Technical support
Locate a distributor