Bussmann 170E7649 High-Speed Square Body Fuse, 630A Class aR

Bussmann 170E7649 High-Speed Square Body Fuse, 630A Class aR

The Bussmann 170E7649 is an Eaton Bussmann series high-speed square body fuse engineered for demanding power electronics protection, rated 630A at 1000V AC. Built with a square body design featuring slotted center bolted tags, this fuse carries a Class aR (accompanied semiconductor protection) utilization category for reliable protection of semiconductor devices in industrial circuits. Its high-speed operation and robust square body construction make it a dependable choice for professional electrical installations requiring precise overcurrent protection for sensitive power electronics equipment.

Key Features

• Amperage Rating: 630A for high-capacity circuit protection in demanding power electronics applications.
• Voltage Rating: 1000V AC for use in high-voltage power distribution and power electronics systems.
• Fuse Shape: Square body with slotted center bolted tags for a secure, low-resistance mounting connection.
• Utilization Category: Class aR (accompanied semiconductor protection) for dedicated protection of semiconductor devices.
• Gripping Lugs: Not equipped with insulated metal gripping lugs (IMGL), per standard square body configuration.
• Packaging Type: Standard packaging for straightforward handling, storage, and installation.

Technical Specifications

• Amperage Rating: 630 A
• Compliances: Contact factory
• Fuse Shape: Square body, slotted center bolted tags
• Insulated Metal Gripping Lugs Imgl: No
• Packaging Type: Standard
• Product Height: 76 mm
• Product Length Depth: 168 mm
• Product Weight: 1345 g
• Product Width: 95 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Voltage Rating: 1000 V
• Voltage Type: AC

Typical Applications

• Semiconductor Device Protection Circuits
• Power Electronics and Rectifier Assemblies
• Motor Drive and Inverter Protection
• Industrial Power Distribution Equipment
• High-Speed Fuse Applications Requiring Class aR Protection

Why Bussmann?

Bussmann by Eaton is a trusted name in circuit protection, and the 170E7649 high-speed square body fuse reflects that standard with its Class aR utilization category built specifically for accompanied semiconductor protection. The 630A, 1000V AC rating combined with the slotted center bolted tag design delivers dependable performance for professional electrical and power electronics applications. Choose Bussmann for reliable, well-constructed fuse protection engineered to Eaton's manufacturing standards for demanding industrial environments.