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Eaton Bussmann 170M5743 450A 1250V AC aR High-Speed Fuse

Eaton Bussmann

Eaton Bussmann 170M5743 450A 1250V AC aR High-Speed Fuse

Part Number: 170M5743

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Eaton Bussmann 170M5743 450A 1250V AC aR high-speed fuse for semiconductor and power-electronics protection.

Rated Current450A

Rated Voltage1250V AC

Breaking Capacity100kA

PackageSize 2

Tags

170M aR Fuse eaton bussmann High-Speed Fuse Semiconductor Fuse Square-Body Fuse

Eaton Bussmann 170M5743 is a 450A, 1250V AC, aR high-speed square-body fuse in the 170M series for semiconductor, converter, rectifier and drive protection. It is designed for fast current limitation in power-electronics circuits. Refer to the linked Eaton documentation for installation details and coordination data.

Technical Specifications

Part Number: 170M5743
Manufacturer Part Number: 170M5743
Series: 170M
Current Rating: 450A
Voltage Rating: 1250V AC
AC / DC: AC
Breaking Capacity: 100kA
I²t: Pre-arcing 34000 A²s; clearing 270000 A²s at 1250V AC
Pre-arcing I²t: 34000
Total I²t: 270000
Package / Dimensions: Size 2
Mounting: Bolted Tag
Application: Power Electronics
Standard: IEC 60269-4
Terminal Type: US Style Bolted Tag
Fuse Speed: Very Fast Acting
Utilization Class: aR
Approvals: CE · IEC Rated
Certifications: CE · IEC Rated
Manufacturer: Eaton Bussmann
Rated current: 450A
Rated voltage: 1250V AC
Working class: aR
Fuse size: Size 2
Terminal/contact: US Style Bolted Tag

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