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Eaton Bussmann

Eaton Bussmann 170M2089 800A 1000V DC aR High-Speed Fuse

Part Number: 170M2089

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Eaton Bussmann 170M2089 is a 800A, 1000V DC aR high-speed fuse for fast semiconductor circuit protection.

Rated Current800A
Rated Voltage1000V DC

Eaton Bussmann 170M2089 is a 170M-series aR high-speed fuse rated 800A at 1000V DC. Its pre-arcing I²t is 175,600 A²s and total I²t is 727,900 A²s at 1000V, supporting fast current limitation in semiconductor protection applications. Power loss is 136 W at 0.8×In and 267 W at rated current.

Technical Specifications

Part Number
170M2089
Manufacturer Part Number
170M2089
Series
170M Series
Fuse Type
High-Speed DC Semiconductor Fuse
Current Rating
800A
Voltage Rating
1000V DC
AC / DC
DC
I²t
Pre-arcing 175,600 A²s; total 727,900 A²s @1000V
Pre-arcing I²t
175600
Total I²t
727900
Application
DC semiconductor protection
Standard
IEC 60269
Fuse Speed
High-Speed
Utilization Class
aR
Power loss
136 W at 0.8×In; 267 W at In. Proven at 1000V DC with 15 ms time constant.