Browse ProductsChoose a product family, then narrow by ratings and standards.

All Categories →All Products →

Low Voltage Fuses

Medium Voltage Fuses

High Voltage Fuses

Semiconductor Fuses

Automotive & EV Fuses

Electronic & PCB Fuses

Solar & Battery Fuses

Railway, Marine & Industrial Fuses

Fuse Accessories

Request a Quote

Eaton Bussmann 170M5742 400A 1250V AC aR High-Speed Fuse

Eaton Bussmann

Eaton Bussmann 170M5742 400A 1250V AC aR High-Speed Fuse

Part Number: 170M5742

● Contact for Availability

Eaton Bussmann 170M5742 400A 1250V AC aR high-speed fuse for semiconductor and power-electronics protection.

Rated Current400A

Rated Voltage1250V AC

Breaking Capacity100kA

PackageSize 2

Tags

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

Eaton Bussmann 170M5742 is a 400A, 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: 170M5742
Manufacturer Part Number: 170M5742
Series: 170M
Current Rating: 400A
Voltage Rating: 1250V AC
AC / DC: AC
Breaking Capacity: 100kA
I²t: Pre-arcing 23000 A²s; clearing 180000 A²s at 1250V AC
Pre-arcing I²t: 23000
Total I²t: 180000
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: 400A
Rated voltage: 1250V AC
Working class: aR
Fuse size: Size 2
Terminal/contact: US Style Bolted Tag

Downloads

DatasheetOpen / download →