Eaton Bussmann

Eaton Bussmann ESS20HB-550 550A 2000V DC aBat EV Battery Fuse

Name: Eaton Bussmann ESS20HB-550 550A 2000V DC aBat EV Battery Fuse
Brand: Eaton Bussmann
SKU: ESS20HB-550

Part Number: ESS20HB-550

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Rated 550A at 2000V DC, ESS20HB-550 is an aBat high-voltage EV battery fuse with up to 150kA breaking capacity.

Rated Current550A

Rated Voltage2000V DC

Breaking CapacityMax. 150kA; minimum 500% In

Tags

bussmann fuse

For high-voltage battery protection, ESS20HB-550 combines a 550A rating with 2000V DC capability and aBat operating class. Rated-current power loss is 256 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-550
Manufacturer Part Number: ESS20HB-550
Series: ESS20HB Series
Fuse Type: High-Voltage EV Battery Fuse
Current Rating: 550A
Voltage Rating: 2000V DC
AC / DC: DC
Breaking Capacity: Max. 150kA; minimum 500% In
I²t: Pre-arcing 239 kA²s; total 861 kA²s
Pre-arcing I²t: 239000000
Total I²t: 861000000
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: 256 W at In; 46 W at 0.5×In. Altitude 2000-5000 m requires derating.