Bussmann 170M4466 Eaton Series High-Speed Square Body Fuse, Class aR, 630A, 200 kAIC

Bussmann 170M4466 Eaton Series High-Speed Square Body Fuse, Class aR, 630A, 200 kAIC

The Bussmann 170M4466 is an Eaton Bussmann series high-speed square body fuse engineered for semiconductor protection applications. Rated 1300V (UL) / 1000V (IEC) with a 690 V AC voltage rating and a 630A amperage rating, this Class aR fuse delivers a 200 kAIC interrupt rating for dependable overcurrent protection. The square body design with flush end contacts simplifies mounting in high-speed fuse blocks, and the fuse carries UL Recognized and CE Marked compliance for professional electrical installations.

Key Features

• Compact Square Body Design: Flush end contacts on a square body measuring 51 mm (Height) x 70 mm (Length/Depth) x 51 mm (Width) for straightforward mounting in high-speed fuse blocks.
• High-Speed Class aR Rating: Utilization category aR (accompanied semiconductor protection) provides precise coordination for semiconductor protection circuits.
• Amperage Rating: 630A rating supports demanding power circuits requiring reliable overcurrent protection.
• Voltage Ratings: Rated 1300V (UL) / 1000V (IEC), with a 690 V AC voltage rating for AC circuit applications.
• 200 kAIC Interrupt Rating: High interrupting capacity of 200 kAIC for safe operation under fault conditions.
• I2t Characteristics: Pre-arc I2t of 52000 and clearing I2t of 350000 at 660 V for precise let-through energy coordination.
• Watt Loss: 80 W watt loss rating at rated current.
• Compact Weight: Approximately 396.6666667 g per fuse for a lightweight footprint in fuse panels.

Certifications & Compliance

• UL Recognized
• CE Marked

Technical Specifications

• Amperage Rating: 630 A
• Application: semiconductor protection
• Certifications: UL Recognized
• Clearing I2t: 350000 at 660 V
• Compliances: CE Marked
• Fuse Shape: Square body, flush end contacts
• Insulated Metal Gripping Lugs (IMGL): No
• Packaging Type: Standard
• Pre Arc I2t: 52000
• Product Height: 51 mm
• Product Length Depth: 70 mm
• Product Weight: 396.6666667 g
• Product Width: 51 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Voltage Rating: 690 V
• Voltage Type: AC
• Watt Losses: 80 W

Typical Applications

• Semiconductor Protection
• High-Speed Fuse Blocks and Panels
• Power Electronics and Converter Circuits
• Industrial and Commercial Electrical Installations

Why Bussmann?

Bussmann by Eaton engineers the 170M4466 high-speed square body fuse to deliver dependable overcurrent protection for demanding semiconductor protection applications. Backed by UL Recognized and CE Marked compliance, this Class aR fuse provides the interrupting performance and I2t coordination that professional electrical installations require.