Bussmann 170M3315 Eaton Series High-Speed Square Body Fuse, Class aR 200A

Bussmann 170M3315 Eaton Series High-Speed Square Body Fuse, Class aR 200A

The Bussmann 170M3315 is an Eaton Bussmann series high-speed square body fuse engineered for accompanied semiconductor protection (Class aR). Rated 700V (UL) and 690V (IEC) with a 200A amperage rating and a 200 kAIC interrupt rating, this fuse delivers the fast-clearing performance semiconductor devices demand. The square body design features slotted, center-bolted tags and a top fuse status indicator, giving installers a quick visual check of fuse condition in industrial power electronics and control panels.

Key Features

• Amperage Rating: 200A for high-current semiconductor circuit protection.
• Dual Voltage Rating: 700V (UL) and 690V (IEC) for use across UL and IEC-rated systems.
• Interrupt Rating: 200 kAIC for reliable performance under high fault-current conditions.
• Utilization Category aR: Accompanied semiconductor protection for fast-acting fault clearing.
• Square Body Construction: Slotted, center-bolted tags for a secure, low-resistance connection.
• Top Fuse Status Indicator: Provides a quick visual check of fuse condition without removal.
• Clearing I2t: 15000 at 660V for predictable let-through energy during a fault.
• Pre-Arc I2t: 2200, supporting coordinated protection with semiconductor devices.
• Watt Losses: 35W, reflecting rated power dissipation under normal operating load.

Certifications & Compliance

• IEC Rated
• CE Marked

Technical Specifications

• Amperage Rating: 200 A
• Application: semiconductor protection
• Certifications: IEC Rated
• Clearing I2t: 15000 at 660 V
• Compliances: CE Marked
• Fuse Shape: Square body, slotted center bolted tags
• Insulated Metal Gripping Lugs (IMGL): No
• Packaging Type: Standard
• Pre Arc I2t: 2200
• Product Height: 65 mm
• Product Length Depth: 305 mm
• Product Weight: 301 g
• Product Width: 145 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Voltage Rating: 690 V
• Voltage Type: AC
• Watt Losses: 35 W

Typical Applications

• Accompanied Semiconductor Protection (Class aR)
• Industrial Power Electronics and Control Panels
• AC Power Circuits Requiring High-Speed Interruption
• Systems Requiring 200 kAIC Fault-Current Protection

Why Bussmann?

Bussmann by Eaton is a trusted name in circuit protection, and the 170M3315 reflects that reputation with IEC-rated, CE-marked construction built for demanding semiconductor protection duty. The square body design, bolted tag connections, and top status indicator make installation and inspection straightforward for electrical professionals, while the 200 kAIC interrupt rating and Class aR utilization category help ensure reliable, code-compliant performance in industrial power electronics applications.