Global Shippingϟ Fast RFQ Response Multi-Brand Supply
Request a Quote
Eaton Bussmann

Eaton Bussmann 170M4419 900A 550V AC aR High-Speed Fuse

Part Number: 170M4419

● Contact for Availability

Eaton Bussmann 170M4419 900A 550V AC aR high-speed square-body fuse for semiconductor and power-electronics protection.

Rated Current900A
Rated Voltage550V AC
Breaking Capacity200kA
PackageSize 1

Eaton Bussmann 170M4419 is a 900A, 550V AC, aR high-speed square-body fuse for semiconductor and power-electronics protection. The Size 1 construction uses Flush End Contact termination with Flush End visual indicator. Interrupt rating is 200kA. Pre-arcing I²t is 155000 A²s and clearing I²t is 850000 A²s at 550V AC. Suitable for converters, rectifiers, drives and related power-electronics protection; verify final coordination against Eaton’s official time-current data.

Technical Specifications

Part Number
170M4419
Manufacturer Part Number
170M4419
Series
170M
Current Rating
900A
Voltage Rating
550V AC
AC / DC
AC
Breaking Capacity
200kA
I²t
Pre-arcing 155000 A²s; clearing 850000 A²s at 550V AC
Pre-arcing I²t
155000 A²s
Total I²t
850000
Package / Dimensions
Size 1
Mounting
Flush
Application
Power Electronics
Standard
IEC 60269-4
Terminal Type
Flush End Contact
Fuse Speed
Very Fast Acting
Utilization Class
aR
Approvals
CE · IEC Rated
Certifications
CE · IEC Rated
Manufacturer
Eaton Bussmann
Rated current
900A
Rated voltage
550V AC
Utilization class
aR
Fuse size
Size 1
Breaking capacity
200kA
Terminal / connection
Flush End Contact
Variant
Flush End visual indicator
Clearing I²t
850000 A²s (550V AC)

Downloads