Eaton Bussmann 170M6668 High Speed Square Body Fuse

The Eaton Bussmann 170M6668 is a robust high speed square body fuse specifically engineered for the protection of power semiconductors in high-power industrial and electrical systems. With a 1500 A current rating and 690 V AC voltage capacity, this Class aR fuse delivers fast and precise circuit protection, ensuring minimal energy let-through and maximum equipment safety.

This fuse complies with IEC and UL standards, and includes a Type K micro indicator for quick visual status checks. Designed in size 3 (76 x 92 x 135 mm), the 170M6668 features a high breaking capacity of 200 kA, making it ideal for critical applications like inverters, drives, rectifiers, and other high-performance electronic systems.

Built for reliability, the fuse is CE marked, RoHS compliant, and offers low watt loss (160 W) and high pre-arc I²t value (460,000 A²s)—ensuring durability and efficiency under extreme electrical stress.

Key Features:

• Catalog Number: 170M6668

• Current Rating: 1500 A

• Voltage Rating: 690 V AC

• Breaking Capacity: 200 kA

• Class: aR – Fast-acting for semiconductors

• Fuse Size: 3

• Indicator: Type K micro indicator

• Certifications: IEC, UL Recognized, CE, RoHS

• Applications: Power electronics, motor drives, UPS systems, and industrial control panels