Eaton Bussmann 170M5812D High Speed Fuse, 630A 690V AC, Size 2 Square Body, DIN 43620 Blade End - Pack of 3

The Eaton Bussmann 170M5812D is a high-performance square body fuse specifically engineered for the protection of power semiconductor devices. This "Dual Indicator" (Combination) model features secondary contact capabilities and a visual indicator for enhanced monitoring. Designed with DIN 43620 blade ends (knife blade style), it is intended for installation in standard DIN rail fuse holders or disconnects. It provides low I²t let-through and low watts loss, ensuring maximum protection for modern power electronics.

Technical Specifications:

• Manufacturer: Eaton
• Brand: Bussmann series
• Catalog Number: 170M5812D
• Body Style: Square Body, Size 2
• Mounting Type: DIN 43620 Blade End (Knife Blade)
• Indicator Type: Combination Fuse Status Indicator (Visual and Type T Indicator)
• Rated Current: 630 A
• Rated Voltage: 690V AC (IEC) / 700V AC (UL)
• Utilization Category: aR (Partial range semiconductor protection)
• Breaking Capacity: 200 kA RMS Sym.

Physical Characteristics:

• Dimensions: 150 mm (L) x 54 mm (W) x 72 mm (H)
• Net Weight: 679 g
• Certifications: UL Recognized, IEC Rated, CE Marked, RoHS Compliant

Application: Optimized for the protection of power converters, rectifiers, UPS systems, and variable speed drives. This fuse is a critical component in ensuring the thermal and electrical integrity of high-power semiconductor circuits where high-speed clearing of short-circuit faults is essential.