Eaton Bussmann

Eaton Bussmann ESS20HB-450 450A 2000V DC aBat EV Battery Fuse

Name: Eaton Bussmann ESS20HB-450 450A 2000V DC aBat EV Battery Fuse
Brand: Eaton Bussmann
SKU: ESS20HB-450

Part Number: ESS20HB-450

● Check availability

Eaton Bussmann ESS20HB-450 is a 450A, 2000V DC aBat fuse for high-voltage battery-pack protection.

Rated Current450A

Rated Voltage2000V DC

Breaking CapacityMax. 150kA; minimum 500% In

Tags

bussmann fuse

Eaton Bussmann ESS20HB-450 is an ESS20HB-series aBat battery fuse rated 450A at 2000V DC. The datasheet specifies up to 150kA breaking capacity, 118 kA²s pre-arcing I²t and 425 kA²s total I²t. It is designed to IEC 60269-7 for high-voltage battery packs and related energy-storage applications.

Technical Specifications

Part Number: ESS20HB-450
Manufacturer Part Number: ESS20HB-450
Series: ESS20HB Series
Fuse Type: High-Voltage EV Battery Fuse
Current Rating: 450A
Voltage Rating: 2000V DC
AC / DC: DC
Breaking Capacity: Max. 150kA; minimum 500% In
I²t: Pre-arcing 118 kA²s; total 425 kA²s
Pre-arcing I²t: 118000000
Total I²t: 425000000
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: 244 W at In; 42 W at 0.5×In. Altitude 2000-5000 m requires derating.