Bussmann 170L5990 Eaton Series High-Speed Square Body Fuse, 315A Class aR
The Bussmann 170L5990 is an Eaton Bussmann series high-speed square body fuse engineered for demanding power electronics protection. Rated 700V (UL) and 690V (IEC) with a 315A amperage rating, this Class aR fuse is designed for semiconductor protection applications where fast-acting overcurrent response is critical. The square body design features special bladed tags and a top-mounted fuse status indicator for quick visual verification of fuse condition without disassembly.
Key Features
- Amperage Rating: 315A for reliable, fast-acting overcurrent protection in high-speed circuit applications.
- Voltage Rating: 700V (UL) and 690V (IEC) for use in AC power systems requiring dual-standard voltage compliance.
- Utilization Category: Class aR (accompanied semiconductor protection) for coordinated protection of semiconductor devices.
- Square Body Construction: Special bladed tags provide secure, low-resistance connections in high-speed fuse mounting systems.
- Top Fuse Status Indicator: Delivers quick visual confirmation of fuse condition without removal or disassembly.
- High-Speed Design: Engineered for the fast response times essential to protecting sensitive semiconductor components.
Certifications & Compliance
- 700V Voltage Rating per UL Standards
- 690V Voltage Rating per IEC Standards
- Additional Compliance Documentation Available Upon Factory Request
Technical Specifications
- Amperage Rating: 315 A
- Application: semiconductor protection
- Compliances: Contact factory
- Fuse Shape: Square body, special bladed tags
- Insulated Metal Gripping Lugs (IMGL): No
- Packaging Type: Standard
- Product Height: 52 mm
- Product Length/Depth: 265 mm
- Product Weight: 550 g
- Product Width: 104 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 2000 V
- Voltage Type: AC
Typical Applications
- Semiconductor Device Protection
- Class aR Accompanied Protection Schemes
- High-Speed AC Power Circuit Protection
- Industrial Power Conversion Equipment
- Rectifier and Power Electronics Protection
Why Bussmann?
Bussmann by Eaton is a recognized name in circuit protection, and the 170L5990 high-speed square body fuse reflects that standard with its Class aR utilization category and dual UL and IEC voltage ratings of 700V and 690V. The top fuse status indicator and rugged square body construction with special bladed tags support dependable, code-compliant performance for professional semiconductor protection applications.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 315 A
- Application:
- semiconductor protection
- Class:
- Class aR
- Compliances:
- Contact factory
- Fuse Indicator:
- Top fuse status indicator
- Fuse Shape:
- Square body, special bladed tags
- Insulated Metal Gripping Lugs Imgl:
- No
- Packaging Type:
- Standard
- Product Height:
- 52 mm
- Product Length Depth:
- 265 mm
- Product Weight:
- 550 g
- Product Width:
- 104 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 2000 V
- Voltage Type:
- AC
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse