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Eaton Bussmann 170M6743 550A 1250V AC aR High-Speed Fuse

Eaton Bussmann

Eaton Bussmann 170M6743 550A 1250V AC aR High-Speed Fuse

Part Number: 170M6743

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Eaton Bussmann 170M6743 170M high-speed square-body aR fuse, rated 550A at 1250V AC, for semiconductor and power-electronics protection.

Rated Current550A

Rated Voltage1250V AC

Breaking Capacity100kA

PackageSize 3

Tags

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

Eaton Bussmann 170M6743 is a 170M Series high-speed square-body fuse designed for semiconductor and power-electronics protection. It is rated 550A 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: 170M6743
Manufacturer Part Number: 170M6743
Series: 170M Series
Current Rating: 550A
Voltage Rating: 1250V AC
AC / DC: AC
Breaking Capacity: 100kA
I²t: Pre-arcing 55,000 A²s; clearing 435,000 A²s
Pre-arcing I²t: 55000
Total I²t: 435000
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: 110W
Voltage Note: 1250V AC (IEC); 1300V AC (UL)
I²t Condition: Clearing I²t at 1250V AC

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