Eaton Bussmann 170M4415 High Speed Square Body Fuse, 550A 690V aR, Size 1 Flush-End, IEC 60269-4 Type A, 200kA Breaking Capacity, Top Indicator, M8 Mount, IEC/UL, CE, RoHS

Eaton Bussmann 170M4415 High Speed Square Body Fuse, 550A 690V aR

The Eaton Bussmann series 170M4415 is a high speed, square body semiconductor fuse engineered for reliable protection of power electronic equipment such as DC common bus, DC drives, and power converters/rectifiers. Designed to IEC 60269-4 with flush-end connections (Type A) in Size 1, it provides fast-acting aR protection with low I2t to safeguard IGBTs, diodes, and SCRs against short-circuit faults.

Key Features

• Rated current: 550 A
• Voltage rating: 690 V AC (IEC); 700 V (UL)
• Interrupting (breaking) capacity: 200 kA
• Utilization category/Class: aR (semiconductor protection)
• Connection style: Square body with flush-end contacts, IEC 60269-4 Type A
• Size/Construction: Size 1; mounting dimension M8; 51 mm center-to-center
• Fuse status indication: Top fuse status indicator (visual)
• Low energy let-through: Pre-arc I2t 34,000 A2s; Clearing I2t 230,000 A2s at 660 V
• Power loss (Watts): 75 W
• Compliance/Approvals: IEC Rated, UL Recognized, CE Marked, RoHS Compliant

Technical Specifications

• Catalog number: 170M4415
• Product type: High speed square body fuse (semiconductor)
• Voltage type/current type: AC
• Class/Utilization: aR
• Interrupt rating: 200 kAIC
• Mounting method: Flush-end, M8 hardware
• Center-to-center distance: 51 mm
• Fuse system per IEC: IEC 60269-4, flush end connections Type A
• Indicator: Top visual indicator
• Insulated metal gripping lugs (IMGL): No
• Color: None
• Packaging type: Standard

Mechanical Data

• Body shape: Square body, flush-end contacts
• Dimensions (approx.): Length 107 mm; Height 63 mm; Width 53 mm
• Weight: 372.7 g (approx.)

Applications

• Semiconductor protection for IGBTs, diodes, SCRs
• DC link/common bus protection
• DC drives, rectifiers, inverters, and power converters
• Industrial UPS and renewable energy systems

Notes

• Use with compatible size 1 flush-end fuse holders or busbar mounting per IEC 60269-4 Type A.
• Verify coordination with upstream devices and check thermal performance and watt-loss limits in the application.