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Bussmann 170M-451 Size 1 Class aR High-Speed Fuse-Link, 690V
The Bussmann 170M-451 is a Size 1 Class aR high-speed fuse-link engineered for accompanied semiconductor protection, available in amp ratings from 315A to 700A at AC 690V. Measuring 53 x 69 x 51 mm with a flush end and 18 UNC threaded connection, this fuse-link is manufactured to both IEC and UL standards and carries a 200 kAIC interrupt rating for demanding power electronics environments. A single top-mounted fuse status indicator provides at-a-glance visual confirmation of fuse condition, supporting fast troubleshooting in industrial drive and control applications.
Key Features
- Amp Rating Range: Available from 315A to 700A at AC 690V for high-speed overcurrent interruption across the family.
- Size 1 Body: Compact Size 1 fuse-link body measuring 53 x 69 x 51 mm for standard fuse-holder compatibility.
- Class aR Protection: Utilization category aR provides accompanied semiconductor protection, designed to work alongside other overcurrent devices.
- High Interrupt Rating: 200 kAIC interrupt rating supports reliable performance in high fault-current power electronics systems.
- Fuse Status Indicator: Single top-mounted indicator allows quick visual verification of fuse condition without disassembly.
- Flush End, 18 UNC Thread: Flush end body configuration with 18 UNC threaded connection for secure, standardized mounting.
- Dual Standards Compliance: Manufactured to both IEC and UL standards for use across global equipment platforms.
Certifications & Compliance
- IEC Compliant
- UL Listed
Technical Specifications
- Fuse Indicator: Top fuse status indicator
- Interrupt Rating: 200 kAIC
- Voltage Rating: 690V
- Amp Rating Options: 315A, 700A
- Utilization Category: aR (accompanied semiconductor protection)
- Class: Class aR
- Packaging Type: Standard
Typical Applications
- Power Electronics and Semiconductor Protection
- Variable Frequency Drives and Motor Controls
- Rectifier and Converter Circuits
- Industrial Control Panels and Switchgear
- High-Speed Circuit Protection Systems
Why Bussmann?
Bussmann fuse-links are manufactured to IEC and UL standards, delivering the interrupt performance and accompanied semiconductor protection that demanding power electronics applications require. With a 200 kAIC interrupt rating and a built-in fuse status indicator, the 170M-451 helps maintain reliable, code-compliant circuit protection for industrial drives and control systems across its full 315A-700A rating range.
Manufacturer Resources
Product Specs
- Product Height:
- .001 mm
- Fuse Indicator:
- Top fuse status indicator
- Product Details:
- Fuse
- Interrupt Rating:
- 200 kAIC
- Voltage Rating:
- 690V
- Product Subgroup:
- Other Fuses
- Department:
- Electrical
- Product Length Depth:
- .001 mm
- Product Group:
- Fuses
- Utilization Category:
- aR (accompanied semiconductor protection)
- Product Type:
- Fuse-Link
- Class:
- Class aR
- Product Width:
- .001 mm
- Packaging Type:
- Standard
- Listing:
- UL Listed
- Standards:
- IEC-UL