EVS-1000-400A
1000VDC 400A high-voltage fuse for large EV battery packs with 100kA breaking capacity.
Product Overview
Description
The EVS-1000-400A is designed for high-voltage EV battery packs requiring maximum protection.
With 1000VDC rating and 400A continuous current, this fuse handles the most demanding EV applications.
The 100kA breaking capacity provides ultimate safety for large battery systems.
Product Series
EVS
Primary Application
High-voltage EV battery pack main protection
Key Features
- 1000VDC rating for high-voltage EV battery packs
- Ultra-high breaking capacity 100kA for large battery systems
- Heavy-duty bolt-on mounting for high-current applications
- Automotive temperature range -40°C to +125°C
- Silver-plated terminals for low contact resistance
- Full international certifications for global OEMs
Specifications
| Voltage Rating | 1000V DC |
|---|---|
| Current Rating | 400A |
| Breaking Capacity | 100kA @ 1000V DC |
| Size | Size 3 (76mm body) |
| Mounting | Bolt-on M10 terminals |
| Operating Temperature | -40°C to +125°C |
| Time-Current | Fast-acting |
| Standards | UL 248-13, IEC 60269-7 |
Applications
High-voltage EV battery pack main protection
Battery and charging management
Large commercial EV power systems
Automotive and EV electronics
Electric bus and truck battery protection
Battery and charging management
High-power DC fast charging systems
Battery and charging management
Battery energy storage systems
Battery and charging management
FAE Expert Insights
"The EVS-1000-400A is the pinnacle of Sinofuse EV fuse technology. I've specified this fuse for several high-voltage EV platforms, and it consistently delivers exceptional performance. The 100kA breaking capacity is critical for large battery packs where fault currents can exceed 50kA. The 1000V rating accommodates the industry trend toward higher voltage architectures (800V+) for faster charging. I always emphasize proper torque on the M10 terminals - inadequate torque leads to heating and voltage drop. For installation, use calibrated torque wrenches and follow the specified 25-30 Nm range. The fuse's time-current curve is well-suited for semiconductor protection in modern EV power electronics."
Ultimate protection for high-voltage EV systems with 100kA breaking capacity
— David Chen, BeiLuo
Frequently Asked Questions
What torque should be applied to the M10 mounting bolts?
The recommended torque for M10 mounting bolts on the EVS-1000-400A is 25-30 Nm (18-22 ft-lb). Proper torque is critical for reliable electrical contact and to prevent overheating. Use a calibrated torque wrench and tighten in a star pattern if multiple bolts are present. Overtorquing can damage the fuse terminals, while undertorquing causes high contact resistance and heating. Always verify torque after initial installation and check periodically during maintenance.
Use calibrated torque wrench and apply 25-30 Nm torque. Verify torque after installation.