Bussmann 170M1419 Eaton Series High-Speed Square Body Fuse, Class aR, 160A, 700V

Bussmann 170M1419 Eaton Series High-Speed Square Body Fuse, Class aR, 160A, 700V

The Bussmann 170M1419 Eaton series high-speed square body fuse delivers fast-acting overcurrent protection for demanding power electronics applications. Rated 700V (UL) and 690V (IEC) with a 160A amperage rating and a 200 kAIC interrupt rating, this Class aR fuse is purpose-built for semiconductor protection where speed and current-limiting performance are critical. The square body design features blade end x blade end connections per the DIN 43 620 standard, ensuring compatibility with standard high-speed fuse holders and disconnect assemblies used across industrial power conversion equipment.

Key Features

• Amperage Rating: 160A rating supports high-current semiconductor and power electronics protection circuits.
• Voltage Rating: Dual-rated 700V (UL) and 690V (IEC) for use across both UL and IEC-compliant power systems.
• Interrupt Rating: 200 kAIC interrupt rating provides robust protection against high fault currents.
• Utilization Category: Class aR, accompanied semiconductor protection, designed to work alongside upstream overload devices.
• Connection Type: Blade end x blade end terminals built to the DIN 43 620 standard for reliable, repeatable mounting.
• Fuse Shape: Square body with slotted, offset bolted tags for secure, low-resistance terminal connections.
• Let-Through Energy: Pre-arc I2t of 2300 and clearing I2t of 16000 at 660V for predictable current-limiting performance.
• Watt Losses: 32W power dissipation rating for accurate thermal system design.

Certifications & Compliance

• IEC Rated
• CE Marked

Technical Specifications

• Amperage Rating: 160 A
• Application: semiconductor protection
• Certifications: IEC Rated
• Clearing I2t: 16000 at 660 V
• Compliances: CE Marked
• Fuse Shape: Square body, slotted offset bolted tags
• Insulated Metal Gripping Lugs (IMGL): No
• Packaging Type: Standard
• Pre Arc I2t: 2300
• Product Height: 53 mm
• Product Length Depth: 100 mm
• Product Weight: 135 g
• Product Width: 21 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Voltage Rating: 690 V
• Voltage Type: AC
• Watt Losses: 32 W

Typical Applications

• Semiconductor Protection Circuits
• Power Electronics and Drive Systems
• High-Speed Fault-Current Interruption
• Industrial Motor Control and Power Conversion Equipment

Why Bussmann?

Bussmann by Eaton is a recognized name in circuit protection, and the 170M1419 reflects that engineering standard with IEC-rated, CE-marked construction built to the DIN 43 620 form factor. Its Class aR utilization category and defined pre-arc and clearing I2t values give engineers predictable, code-compliant protection for safeguarding sensitive semiconductor devices in industrial power systems, while the square body, blade end x blade end design supports dependable installation in standard high-speed fuse holders.