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Eaton Bussmann

Eaton Bussmann ESS20HB-400 400A 2000V DC aBat EV Battery Fuse

Part Number: ESS20HB-400

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Rated 400A at 2000V DC, ESS20HB-400 is an aBat high-voltage EV battery fuse with up to 150kA breaking capacity.

Rated Current400A
Rated Voltage2000V DC
Breaking CapacityMax. 150kA; minimum 500% In

For high-voltage battery protection, ESS20HB-400 combines a 400A rating with 2000V DC capability and aBat operating class. Rated-current power loss is 218 W, M8 mounting torque is 12±1 N·m, and the series supports short time constants up to 3 ms.

Technical Specifications

Part Number
ESS20HB-400
Manufacturer Part Number
ESS20HB-400
Series
ESS20HB Series
Fuse Type
High-Voltage EV Battery Fuse
Current Rating
400A
Voltage Rating
2000V DC
AC / DC
DC
Breaking Capacity
Max. 150kA; minimum 500% In
I²t
Pre-arcing 92 kA²s; total 333 kA²s
Pre-arcing I²t
92000000
Total I²t
333000000
Operating Temperature
-40°C to 100°C (derating; normal -5°C to 40°C)
Mounting
Bolt Mount
Application
Energy Storage · EV
Standard
IEC 60269-7
Terminal Type
M8 Bolted
Fuse Speed
High-Speed
Utilization Class
aBat
Approvals
REACH · RoHS
Certifications
RoHS · REACH
Time constant ≤3 ms. M8 installation torque 12±1 N·m. Power loss
218 W at In; 39 W at 0.5×In. Altitude 2000-5000 m requires derating.