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Eaton Bussmann

Eaton Bussmann 170M4509 250A 690V AC aR High-Speed Fuse

Part Number: 170M4509

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Eaton Bussmann 170M4509 250A 690V AC aR high-speed square-body fuse for semiconductor and power-electronics protection.

Rated Current250A
Rated Voltage690V AC
Breaking Capacity200kA
PackageSize 1

Eaton Bussmann 170M4509 is a 250A, 690V AC, aR high-speed square-body fuse for semiconductor and power-electronics protection. The Size 1 construction uses Flush End Contact termination with G visual indicator. Interrupt rating is 200kA. Pre-arcing I²t is 3100 A²s and clearing I²t is 21000 A²s at 660V 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
170M4509
Manufacturer Part Number
170M4509
Series
170M
Current Rating
250A
Voltage Rating
690V AC
AC / DC
AC
Breaking Capacity
200kA
I²t
Pre-arcing 3100 A²s; clearing 21000 A²s at 660V AC
Pre-arcing I²t
3100 A²s
Total I²t
21000
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 · UL Recognized
Certifications
UL Recognized · CE
Manufacturer
Eaton Bussmann
Rated current
250A
Rated voltage
690V AC
Utilization class
aR
Fuse size
Size 1
Breaking capacity
200kA
Terminal / connection
Flush End Contact
Variant
G visual indicator
Clearing I²t
21000 A²s (660V AC)

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