Bussmann 170M5616 High Speed Square Body Fuse, 1000A Class aR

Bussmann 170M5616 High Speed Square Body Fuse, 1000A Class aR

The Bussmann 170M5616 is an Eaton Bussmann series high speed square body fuse engineered for semiconductor protection in demanding industrial power electronics applications. Rated 1000A at 690V AC with a 200 kAIC interrupting rating, this Class aR fuse is designed to accompany semiconductor devices such as SCRs, diodes, and power modules where fast clearing is critical. The square body design with center bolted tags and blade end X blade end connection provides a robust, low-impedance termination for high-current circuits.

Key Features

• Amperage Rating: 1000A for high-current semiconductor protection circuits.
• Voltage Rating: 690V AC for use in demanding industrial power systems.
• Interrupting Rating: 200 kAIC delivers high interrupting capacity for fault conditions.
• Utilization Category: Class aR (accompanied semiconductor protection) fuse designed to work alongside semiconductor devices rather than provide standalone overload protection.
• Fuse Shape: Square body with center bolted tags and blade end X blade end termination for secure, low-resistance connections.
• Clearing I2t: 1,250,000 at 660V for fast-acting fault clearing performance.
• Pre-Arc I2t: 180,000 supporting coordinated semiconductor circuit protection.
• Watt Losses: 115W rated power dissipation under normal operating conditions.

Certifications & Compliance

• UL Recognized
• CE Marked

Technical Specifications

• Amperage Rating: 1000 A
• Application: semiconductor protection
• Certifications: UL Recognized
• Clearing I2t: 1250000 at 660 V
• Compliances: CE Marked
• Fuse Shape: Square body, center bolted tags
• Insulated Metal Gripping Lugs (IMGL): No
• Packaging Type: Standard
• Pre Arc I2t: 180000
• Product Height: 59 mm
• Product Length Depth: 135 mm
• Product Weight: 202.6666667 g
• Product Width: 59 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Voltage Rating: 690 V
• Voltage Type: AC
• Watt Losses: 115 W

Typical Applications

• Semiconductor Protection for SCRs, Diodes, and Power Modules
• High Speed Fuse Protection in Power Electronics
• Industrial Motor Drives and Rectifier Circuits
• Switchgear and Power Distribution Equipment
• Panelboard Protection Requiring Fast-Clearing Fuses

Why Bussmann?

Bussmann by Eaton is a trusted name in circuit protection, and the 170M5616 high speed square body fuse reflects that reliability with a UL Recognized, CE Marked design built for coordinated semiconductor protection. Its Class aR utilization category, 200 kAIC interrupting rating, and defined clearing and pre-arc I2t values give engineers the data needed to properly coordinate fuse performance with sensitive semiconductor devices. For professionals specifying high speed fuses in industrial power electronics, the Bussmann 170M5616 delivers dependable, code-compliant performance.