EV100-400-1
400A 1000VDC fuse for EV battery pack protection with 50kA breaking capacity and AEC-Q200 automotive qualification.
Product Overview
Description
The EV100-400-1 is a high-performance fuse designed for medium-power EV battery pack protection.
With 1000V DC rating and 400A current capacity, this fuse handles the requirements of mid-size EV battery systems.
The 50kA breaking capacity ensures safe interruption of battery short-circuit faults.
Product Series
EV
Primary Application
Mid-size EV battery pack protection
Key Features
- 1000V DC rating for 800V EV systems
- 400A continuous current capacity
- 50kA breaking capacity for battery protection
- AEC-Q200 qualified for automotive
- Compact design for battery pack integration
- Bolt-on mounting for secure connection
Specifications
| Voltage Rating | 1000V DC |
|---|---|
| Current Rating | 400A |
| Breaking Capacity | 50kA @ 1000V DC |
| Size | Special EV package |
| Mounting | Bolt-on M10 |
| Operating Temperature | -40°C to +125°C |
| Standards | UL 248-13, IEC 60269-7 |
Applications
Mid-size EV battery pack protection
Battery and charging management
Hybrid vehicle battery systems
Battery and charging management
Battery module protection
Battery and charging management
High-voltage distribution
Electronic system design
Electric commercial vehicles
Automotive and EV electronics
Electric van battery systems
Battery and charging management
FAE Expert Insights
"The EV100-400-1 is an excellent choice for mid-size EV battery systems. At 400A, it provides adequate protection for vehicles with battery capacities around 60-80kWh. The 1000V rating provides excellent margin for 800V systems, while the 50kA breaking capacity handles typical battery fault currents. AEC-Q200 qualification ensures reliable operation in automotive environments. I frequently recommend this fuse for electric vans and mid-size passenger vehicles. Proper coordination with BMS protection thresholds is essential for reliable operation. The compact design integrates well into battery pack enclosures. For mid-power EV applications, this fuse offers the right balance of performance and cost."
Reliable protection for mid-size EV battery systems
— Steven Liu, BeiLuo
Frequently Asked Questions
What vehicle types is this fuse suitable for?
The EV100-400-1 is suitable for mid-size passenger EVs, electric vans, and light commercial vehicles with battery capacities around 60-80kWh. It provides 400A continuous current capacity for moderate power requirements.
Use for mid-size EVs and light commercial vehicles. Verify battery capacity and current requirements.
How does this compare to EV100-500-1?
The EV100-400-1 is rated for 400A continuous current, suitable for smaller battery systems than the 500A version. Both have the same 1000V rating and 50kA breaking capacity. Select based on your battery system current requirements.
Select EV100-400-1 for mid-size EVs. Use EV100-500-1 for larger battery systems.
What is the recommended torque for mounting?
M10 mounting bolts should be torqued to 25-30 Nm (18-22 ft-lb). Use calibrated torque wrench and verify torque after installation and thermal cycling. For detailed specifications and application support on bussmann EV100-400-1, refer to the datasheet or contact our team.
Use 25-30 Nm torque for M10 bolts. Verify after installation.
Is AEC-Q200 qualification required for automotive?
Yes, AEC-Q200 qualification is essential for automotive applications. It ensures the fuse has passed rigorous testing for temperature cycling, vibration, humidity, and thermal shock required in automotive environments.
Always verify AEC-Q200 qualification for automotive applications.
What BMS coordination is required?
Coordinate fuse time-current characteristics with BMS protection thresholds. The BMS should handle moderate overcurrents via contactors, while the fuse protects against high-current faults that contactors cannot clear safely.
Coordinate fuse with BMS protection curves for layered safety protection.