Bussmann 170M7034 Class aR Semiconductor Fuse, 1100A 1000V

Bussmann 170M7034 Class aR Semiconductor Fuse, 1100A 1000V

The Bussmann 170M7034 is a Class aR semiconductor protection fuse rated 1100A at 1000V, engineered for accompanied protection of power semiconductors such as SCRs, diodes, and IGBTs. Built with DIN 43-620 blade end x DIN 43-620 blade end terminals, this fuse delivers a 125 kAIC interrupt rating and fast-clearing I2t characteristics to safeguard semiconductor devices from short-circuit and overcurrent conditions. The 170M7034 is UL Recognized and CE Marked, suited to professional power electronics, drives, and rectifier applications requiring reliable, code-compliant overcurrent protection.

Key Features

• Amperage Rating: 1100A for high-current semiconductor circuit protection.
• Voltage Rating: 1000V AC for high-voltage power electronics applications.
• Utilization Category: Class aR (accompanied semiconductor protection), for use with semiconductor devices.
• Connection: DIN 43-620 blade end x DIN 43-620 blade end terminals for standardized mounting.
• Interrupt Rating: 125 kAIC for dependable performance under high fault-current conditions.
• Fast-Clearing Characteristics: Pre-Arc I2t of 850,000 A²s and Clearing I2t of 5,000,000 A²s at 1000V, limiting let-through energy.
• Watt Losses: 260W rated power dissipation.

Certifications & Compliance

• UL Recognized
• CE Marked

Technical Specifications

• Amperage Rating: 1100 A
• Application: semiconductor protection
• Certifications: UL Recognized
• Class: Class aR
• Clearing I2t: 5000000 at 1000 V
• Compliances: CE Marked
• Connection: Din 43-620 blade end x Din 43-620 blade end
• Fuse Indicator: Other
• Insulated Metal Gripping Lugs (IMGL): No
• Interrupt Rating: 125 kAIC
• Packaging Type: Standard
• Pre Arc I2t: 850000
• Product Height: 53.01 mm
• Product Length Depth: 41.798 mm
• Product Weight: 3867 g
• Product Width: 137.998 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Voltage Rating: 1000 V
• Voltage Type: AC
• Watt Losses: 260 W

Typical Applications

• Semiconductor Device Protection (SCRs, Diodes, IGBTs)
• Variable Frequency Drives and Motor Controls
• Industrial Power Electronics and Rectifier Circuits
• Power Conversion and Inverter Systems
• Heavy Industrial and Commercial Power Distribution

Why Bussmann?

Bussmann fuses are engineered for precise, fast-clearing overcurrent protection, and the 170M7034 continues that standard with a 125 kAIC interrupt rating, UL Recognized construction, and CE Marked compliance for demanding industrial power systems. Its Class aR design and defined Pre-Arc and Clearing I2t values help engineers properly coordinate semiconductor protection, ensuring reliable, code-compliant performance in critical power electronics applications.