Download document () of 20
High-voltage power distribution and protection

Fuses

Eaton Bussmann series EV fuses serve a critical role in the safety and reliability of hybrid and electric vehicle systems. Purpose-built to meet the rigorous requirements of modern EV architecture, our fuses incorporate advanced technology and space-saving designs to optimize both performance and installation flexibility.

Our EV fuse portfolio offers a wide range of options, supporting voltages from 500V to 1,000Vdc and current ratings between 10A and 1,600A to ensure safe, efficient operation. This versatility enables seamless integration into various applications, including passenger cars, commercial vehicles, and high-capacity battery systems.

What truly sets our EV fuses apart is our advanced simulation testing. With each simulation tailored to the specific driving profiles and conditions of the application, our experts ensure each fuse is perfectly matched for optimal performance and safety. This rigorous process validates the proper fuse size to ensure reliable performance across a diverse range of driving scenarios - delivering peace of mind and long-term value to every customer.

Flexible design
Advanced protection and efficiency
Quality assurance
Unique serial numbers and data codes
Simulation testing
Tailored solutions for optimal performance

Core features

  • Flexible design: Allows for tailored solutions that ensure optimal performance and safety across a diverse range of EV applications
  • Compact and high-speed: Reduces weight with rapid-acting fuses available in various case sizes and diameters
  • Traceability and quality assurance: Features unique serial numbers and date codes to ensure identification and quality control
  • High interrupting rating: Offers advanced protection for high-capacity battery packs operating at increased power levels
  • IATF-certified manufacturing: Ensures consistent quality, technical cleanliness, and industry-leading reliability from certified production facilities
  • Reliable overload protection: Provides backup to battery management systems by operating dependably at overloads as low as 200%
  • Scalable for high current demands: Supports parallel applications to increase ampacity within recommended sizing guidelines
  • Voltage ratings: 500 – 1,000Vdc
  • Current ratings:10A – 1,600A

Battery and motor protection/power distribution units, supporting voltages ranging from 500 to 1,000 Vdc and currents from 125 to 1,000A.

  • Operation as low as 200% overload for short circuit protection of conductors and effortless contactor coordination
  • Features 20-50kA interrupting capability, depending on the specific fuse diameter, to support future battery capacities and maximize vehicle range
  • Unique driving profiles and charging conditions can be simulated to ensure the fuse provides reliable performance and longevity throughout the vehicle’s lifetime
  • Pre-validated to JASO D622, ISO 8820-8, IEC 60269-1, ISO 16750-3, and UL248-20 standards, helping reduce project testing costs
  • Engineered and manufactured under the IATF16949 quality system
  • Custom terminal options to accommodate specific space requirements
  • Fuse longevity can be validated by simulating unique driving profiles and conditions, ensuring correct fuse size and performance across varied driving behaviors
spacer

Auxiliary and onboard charging protection, supporting voltages of 500 and 1,000 Vdc and currents ranging from 10-250A.

  • Provides backup protection for battery management systems and conductor safety, operating reliably even at overloads as low as 200%
  • Multiple tag variants available, compatible with busbar, conductor, and PCB mounting configurations for flexible installation
  • Color-coded fuse labels make it easy to identify current ratings and reduce assembly errors when using multiple auxiliary fuses
  • Features 20-50kA interrupting capability, depending on the specific fuse diameter, to support future battery capacities and maximize vehicle range
  • Pre-validated to JASO D622, ISO 8820-8, IEC 60269-1, ISO 16750-3, and UL248-20 standards, helping reduce project testing costs
  • Engineered and manufactured in accordance with the IATF16949 quality system.
spacer

DC fast charging, megawatt charging and commercial applications, supporting voltages ranging from 500Vdc to 1,000 Vdc and currents from 350 to 1,600 A.

  • Engineered to withstand load cycling, thermal shock, and commercial vehicle vibration
  • High-speed operation with superior current limiting under short-circuit conditions, reducing peak currents and protecting system contactors from damage
  • Features 20-100kA interrupting capability, depending on the specific fuse size, to support different commercial applications and maximize vehicle range
  • Pre-validated to ISO 8820-8, IEC 60269-1, ISO 16750-3, and UL248-20 standards, helping reduce project testing costs
  • Engineered and manufactured under the IATF16949 quality system
spacer

Specifications
 

Auxiliary / OBC Protection

                                                                            Fuse Current: 10A - 250A  
501 Vdc - 1,000 Vdc  Sports Car     EVK22
Diam. 22 mm
EVKR25
Diam. 25 mm
    1,000 Vdc - 25 kA
60A - 80A
1,000 Vdc - 50 kA
70A - 100A
Luxury SUV     EVKR14
Diam. 14 mm
 
    1,000 Vdc - 25 kA
35A - 50A
 
Luxury Sedan EVK10
Diam. 10 mm
EVKR10
Diam. 10 mm
   
1,000 Vdc - 25 kA
15A
1,000 Vdc - 20 kA
20A - 50A
   
Up to 500 Vdc Large SUV/Pickup truck       EVR25
Diam. 25 mm
      500 Vdc - 20 kA
150A - 250A
Sedan      EVR20
Diam. 20 mm
 
    500 Vdc - 20 kA
50A - 150A
 
Small SUV/Crossover EV10
Diam. 10 mm
EVR10
Diam. 10 mm
   
500 Vdc - 20 kA
10A - 25A
500 Vdc - 20 kA
30A - 50A
   
 

Battery & Motor Protection / PDC / DC Fast Charging

                                                                            Fuse Current: 125A - 1,000A
501 Vdc - 1,000 Vdc  Sports Car EBPS100F40
Active Triggering (pyro)
EBPS100F40A
Dual Triggering (pyro)
EVKR50
Diam. 50 mm
EVKR60
Diam. 60 mm
1,000 Vdc - 16kA & 20 uH
400A
1,000 Vdc - 15 kA & 15 uH
400A
1,000 Vdc - 50 kA
350A - 400A
900 Vdc - 25 kA
450A - 700A
Luxury SUV   EVKR40
Diam. 40 mm
   
  1,000 Vdc - 50 kA
225A - 300A
   
Luxury Sedan EVKR 30
Diam. 30 mm
     
1,000 Vdc - 50 kA
125A - 200A
     
Up to 500 Vdc Large SUV/Pickup truck EBPS65F40
Active Triggering (pyro)
EBPS50F40A
Dual Triggering (pyro)
EVR50
Diam. 50 mm
EVR60
Diam. 60 mm
500 Vdc - 12 kA & 20 uH
400A
500 Vdc - 15 kA & 15 uH
400A
500 Vdc - 50 kA
550A - 800A
500 Vdc - 50 kA
700A - 1,000A
Sedan    EVR40
Diam. 40 mm
   
  500 Vdc - 50 kA
350A - 600A
   
Small SUV/Crossover EVR 30
Diam. 30 mm
     
500 Vdc - 20 kA
200A - 400A
     
 

Performance & Commercial Vehicles / Megawatt Charging

                                                                            Fuse Current: 350A - 1,600A
501 Vdc - 1,000 Vdc  Commercial vehicles     EVHD
59x59 mm
Parallel EVHD
121x121 mm
    900 Vdc - 100 kA
600A - 900A
900 Vdc - 100 kA
< 1,600A
Sports Car EVKR50
Diam. 50 mm
EVKR60
Diam. 60 mm
   
1,000 Vdc - 50 kA
350A - 400A
900 Vdc - 25 kA
450A - 700A
   
Up to 500 Vdc Large SUV/Pickup truck EVR50
Diam. 50 mm
EVR60
Diam. 60 mm
   
500 Vdc - 50 kA
550A - 800A
500 Vdc - 50 kA
700A - 1,000A
   
Download Links