Bussmann 170M-313 High-Speed Square Body Fuse, Class aR, 63A, 100kAIC
Eaton Bussmann brings the 170M-313 High-Speed Square Body Fuse to demanding power electronics applications, engineered as a Class aR fuse for accompanied semiconductor protection. Rated 1250V (IEC) and 1300V (UL) with a 63A current rating and 100 kAIC interrupt rating, this DIN 43 620 square body fuse features a top fuse status indicator for quick visual verification of fuse condition. Built for high-speed operation, it is designed to help protect sensitive power semiconductor devices in industrial and commercial electrical systems.
Key Features
- Compact Dimensions: Square body fuse measuring 65 mm height x 145 mm width x 305 mm length/depth for standardized panel and fuse-holder integration.
- Square Body Design: Square body construction with slotted center bolted tags per the Fuse Shape specification, delivering secure, low-resistance connections in line with DIN 43 620.
- Dual Voltage Rating: Rated 1250V (IEC) and 1300V (UL), supporting both international and North American power electronics standards.
- 63A / 100 kAIC Rating: 63A current rating paired with a 100 kAIC interrupt rating for high fault-current withstand in demanding applications.
- Class aR Protection: Utilization Category aR (accompanied semiconductor protection), designed to protect power semiconductor devices when coordinated with appropriate branch-circuit protection.
- Top Fuse Status Indicator: Built-in top indicator allows quick visual identification of a blown fuse without removal from the holder.
- DIN 43 620 Standard: Manufactured to the DIN 43 620 dimensional standard for compatibility with standard square body fuse holders.
Certifications & Compliance
- CE Marked
Technical Specifications
- Packaging Type: Standard
- Product Height: 65 mm
- Product Width: 145 mm
- Product Length/Depth: 305 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Insulated Metal Gripping Lugs (IMGL): No
- Compliances: CE Marked
- Fuse Shape: Square body, slotted center bolted tags
Typical Applications
- Power Semiconductor Protection
- Variable Frequency Drives and Motor Controls
- Industrial Power Electronics
- Rectifier and Converter Circuits
- Panelboard and Switchgear Protection
Why Bussmann?
Eaton Bussmann is a trusted name in circuit protection, and the 170M-313 square body fuse reflects that reliability with a DIN 43 620 compliant design, CE marking, and a 100 kAIC interrupt rating built for demanding semiconductor protection duty. The dual IEC/UL voltage rating and top fuse status indicator make it a practical choice for professional electrical work where fast, code-compliant fault protection is essential.
Manufacturer Resources
Product Specs
- Interrupt Rating:
- 100 kAIC
- Department:
- Electrical
- Product Details:
- Fuse
- Fuse Indicator:
- Top fuse status indicator
- Mounting Method:
- DIN 43 620
- Packaging Type:
- Standard
- Voltage Rating:
- 1250V
- Product Height:
- 65 mm
- Product Subgroup:
- Other Fuses
- Class:
- Class aR
- Utilization Category:
- aR (accompanied semiconductor protection)
- Product Group:
- Fuses
- Product Type:
- Fuse
- Insulated Metal Gripping Lugs Imgl:
- No
- Product Width:
- 145 mm
- Compliances:
- CE Marked
- Product Length Depth:
- 305 mm
- Fuse Shape:
- Square body, slotted center bolted tags