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Eaton Bussmann 170M8554 1250A 690V AC aR High-Speed Fuse

Eaton Bussmann

Eaton Bussmann 170M8554 1250A 690V AC aR High-Speed Fuse

Part Number: 170M8554

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Eaton Bussmann 170M8554 170M high-speed square-body aR fuse, rated 1250A at 690V AC, for semiconductor and power-electronics protection.

Rated Current1250A

Rated Voltage690V AC

Breaking Capacity200kA

PackageSize 3

Tags

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

Eaton Bussmann 170M8554 is a 170M Series high-speed square-body fuse designed for semiconductor and power-electronics protection. It is rated 1250A at 690V 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: 170M8554
Manufacturer Part Number: 170M8554
Series: 170M Series
Current Rating: 1250A
Voltage Rating: 690V AC
AC / DC: AC
Breaking Capacity: 200kA
I²t: Pre-arcing 300,000 A²s; clearing 2,150,000 A²s
Pre-arcing I²t: 300000
Total I²t: 2150000
Package / Dimensions: Size 3
Mounting: Blade
Application: Power Electronics
Standard: IEC 60269-4
Terminal Type: DIN 43620 Blade
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: DIN 43620
Indicator: Fuse status indicator
Watt Losses: 61W
Voltage Note: 690V AC
I²t Condition: Clearing I²t at 660V AC
Note: Legacy/non-D variant; verify current availability against Eaton.

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