Eaton Bussmann 170M4193 High Speed Fuse, 400A 1250V AC, Size 1 Square Body, DIN 43620 Blade End - Single

The Eaton Bussmann 170M4193 is a premium high-speed square body fuse engineered for the protection of power semiconductors and industrial electronics. Designed to operate at high voltage levels (1250V IEC), this fuse provides superior short-circuit protection with a 100 kA interrupting rating. It features a Class aR utilization category and a DIN 43620 blade-end mounting style, making it ideal for integration into modern power conversion systems.

Technical Specifications:

• Manufacturer: Eaton
• Brand: Bussmann series
• Catalog Number: 170M4193
• Model Code: 400A 1250V 1TN/110 AR CU
• Body Style: Square Body, Size 1
• Mounting Type: Blade End (DIN 43620)
• Indicator Type: Top Fuse Status Indicator
• Rated Current: 400 A
• Rated Voltage: 1250V AC (IEC) / 1300V AC (UL)
• Utilization Category: aR (Partial range semiconductor protection)
• Breaking Capacity: 100 kA RMS Sym.

Physical Characteristics:

• Dimensions: 245 mm (L) x 142 mm (W) x 62 mm (H)
• Net Weight: 297.33 g
• Certifications: IEC Rated, UL Recognized, CE Marked, RoHS Compliant

Application: Specifically designed for the protection of large power converters, rectifiers, motor drives, and other sensitive semiconductor devices requiring ultra-fast acting protection in high voltage circuits.