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Eaton Bussmann

Eaton Bussmann 170M6740 400A 1250V AC aR High-Speed Fuse

Part Number: 170M6740

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Eaton Bussmann 170M6740 170M high-speed square-body aR fuse, rated 400A at 1250V AC, for semiconductor and power-electronics protection.

Rated Current400A
Rated Voltage1250V AC
Breaking Capacity100kA
PackageSize 3

Eaton Bussmann 170M6740 is a 170M Series high-speed square-body fuse designed for semiconductor and power-electronics protection. It is rated 400A at 1250V AC with aR utilization category and is suitable for applications such as converters, rectifiers and DC-drive power stages. Designed and tested to IEC 60269-4; verify application-specific coordination and derating against the Eaton catalogue.

Technical Specifications

Part Number
170M6740
Manufacturer Part Number
170M6740
Series
170M Series
Current Rating
400A
Voltage Rating
1250V AC
AC / DC
AC
Breaking Capacity
100kA
I²t
Pre-arcing 19,000 A²s; clearing 160,000 A²s
Pre-arcing I²t
19000
Total I²t
160000
Package / Dimensions
Size 3
Mounting
Bolt-Down
Application
Power Electronics
Standard
IEC 60269-4
Terminal Type
Bolted Tag
Fuse Speed
Very Fast Acting
Utilization Class
aR
Approvals
CE · UL Recognized
Certifications
UL Recognized · CE
Manufacturer
Eaton Bussmann
Utilization Category
aR
Construction Size
3
Fuse Form
US Style
Indicator
Type K indicator
Watt Losses
95W
Voltage Note
1250V AC (IEC); 1300V AC (UL)
I²t Condition
Clearing I²t at 1250V AC

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