Eaton Bussmann

Eaton Bussmann 170M2120 450A 1000V DC aR High-Speed Fuse

Name: Eaton Bussmann 170M2120 450A 1000V DC aR High-Speed Fuse
Brand: Eaton Bussmann
SKU: 170M2120

Part Number: 170M2120

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170M2120 combines a 450A current rating with 1000V DC capability and aR high-speed fuse performance.

Rated Current450A

Rated Voltage1000V DC

Tags

170M aR Fuse bussmann fuse High-Speed Fuse

The 170M2120 170M fuse is designed for rapid fault-current limitation in 1000V DC power-electronic circuits. Rated current is 450A, operating class is aR, and the listed I²t values are 32,900 A²s pre-arcing and 136,700 A²s total.

Technical Specifications

Part Number: 170M2120
Manufacturer Part Number: 170M2120
Series: 170M Series
Fuse Type: High-Speed DC Semiconductor Fuse
Current Rating: 450A
Voltage Rating: 1000V DC
AC / DC: DC
I²t: Pre-arcing 32,900 A²s; total 136,700 A²s @1000V
Pre-arcing I²t: 32900
Total I²t: 136700
Application: DC semiconductor protection
Standard: IEC 60269
Fuse Speed: High Speed
Utilization Class: aR
Power loss: 70 W at 0.8×In; 131 W at In. Proven at 1000V DC with 15 ms time constant.