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Bussmann 170M8690 High-Speed Fuse-Link, 630A, 3000V AC, Size 3, aR, IEC
The Bussmann 170M8690 is a high-speed fuse-link rated 630 A at AC 3000 V, built to IEC standards in a Size 3 body measuring 96 x 85 x 234 mm. Classified aR (accompanied semiconductor protection), this fuse-link is engineered specifically for the protection of power rectifiers in demanding industrial power conversion equipment. A top-mounted visual fuse status indicator lets maintenance personnel confirm operating condition at a glance, without de-energizing the circuit. As part of the Bussmann semiconductor fuse portfolio, the 170M8690 delivers the fast-clearing performance required to safeguard sensitive rectifier components from overcurrent damage.
Key Features
- Size 3 Body: Compact 96 x 85 x 234 mm dimensions for standard Size 3 fuse mounting hardware.
- Fuse Shape: Square body with flush end contacts for reliable clip and bolt-on connections.
- Amperage Rating: 630 A rated for high-current power rectifier circuits.
- Voltage Rating: AC 3000 V rating suited to high-voltage AC power conversion systems.
- Utilization Category aR: Accompanied semiconductor protection class, purpose-built to protect power rectifiers rather than provide standalone branch-circuit protection.
- Fuse Indicator: Top fuse status indicator provides fast visual confirmation of fuse condition.
- Application: Designed for protection of power rectifiers in industrial power conversion equipment.
Certifications & Compliance
- IEC
Technical Specifications
- Application: Protection of power rectifiers
- Certifications: IEC
- Class: Class aR
- Compliances: Contact Manufacturer
- Fuse Indicator: Top fuse status indicator
- Fuse Shape: Square body, flush end contacts
- Insulated Metal Gripping Lugs (IMGL): No
- Packaging Type: Standard
- Product Height: 90 mm
- Product Length Depth: 76 mm
- Product Weight: 1 g
- Product Width: 362 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Type: AC
Typical Applications
- Protection of Power Rectifiers
- Industrial Power Conversion Equipment
- AC Semiconductor Device Protection
- High-Speed Circuit Protection for AC 3000 V Systems
- Motor Drive and Rectifier Bridge Circuits
Why Bussmann?
Bussmann fuse-links are engineered to precise IEC specifications, giving electrical professionals a dependable, code-compliant solution for protecting power rectifiers and other semiconductor devices. The aR utilization category and top-mounted visual indicator on the 170M8690 combine fast-acting overcurrent protection with straightforward field inspection, helping reduce downtime on critical power conversion equipment. Choose Bussmann for consistent, reliable semiconductor fuse protection in demanding industrial applications.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 630 A
- Application:
- Protection of power rectifiers
- Certifications:
- IEC
- Class:
- Class aR
- Compliances:
- Contact Manufacturer
- Fuse Indicator:
- Top fuse status indicator
- Fuse Shape:
- Square body, flush end contacts
- Insulated Metal Gripping Lugs Imgl:
- No
- Packaging Type:
- Standard
- Product Height:
- 90 mm
- Product Length Depth:
- 76 mm
- Product Weight:
- 1 g
- Product Width:
- 362 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 3000 V
- Voltage Type:
- AC
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse