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Bussmann 170M5958 High-Speed Fuse-Link, 550A, 1000V AC, Class aR
Model: BUSS-170M5958
Bussmann
Bussmann 170M4959 High-Speed Fuse-Link, 550A, 1000V AC, Class aR
The Bussmann 170M4959 is a high-speed aR fuse-link engineered for semiconductor protection in demanding industrial power systems. Rated 550A at AC 1000V, this Size 1 fuse-link measures 52 x 69 x 74 mm and features a single indicator, flush end contacts, and an M8 terminal for secure bolted connections. Built to IEC 60269-4 standards and UL recognized, it delivers a 150 kAIC interrupt rating for accompanied semiconductor circuit protection.
Key Features
- Amperage Rating: 550A for high-current semiconductor protection circuits.
- Voltage Rating: AC 1000V for use in high-voltage power distribution systems.
- Size 1 Fuse Body: Compact 52 x 69 x 74 mm square body with flush end contacts for straightforward mounting in Size 1 fuse holders.
- Flush End Contacts with M8 Terminal: Simplifies bolted connections in fuse blocks and disconnect switches.
- Class aR Utilization Category: Accompanied semiconductor protection per IEC 60269-4.
- Interrupt Rating: 150 kAIC for high fault-current interruption capability.
- Single Indicator: Visual blown-fuse indication for fast fault identification.
- Application: Purpose-built for semiconductor protection.
Certifications & Compliance
- IEC 60269-4
- UL
- CE Compliant
Technical Specifications
- Application: semiconductor protection
- Certifications: IEC 60269-4
- Class: Class aR
- Compliances: CE
- Fuse Indicator: Other
- Fuse Shape: Square body, flush end contacts
- Insulated Metal Gripping Lugs Imgl: No
- Interrupt Rating: 150 kAIC
- Packaging Type: Standard
- Product Height: 52 mm
- Product Length Depth: 73 mm
- Product Weight: 576 g
- Product Width: 170 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Type: AC
Typical Applications
- Semiconductor Protection Circuits
- Power Electronics and Drive Systems
- Industrial Rectifier and Converter Protection
- High-Speed Fault Current Interruption
- Motor Drive and Inverter Circuit Protection
Why Bussmann?
Bussmann fuse-links are built to IEC 60269-4 standards and UL recognized for dependable performance in demanding semiconductor protection applications. With a 150 kAIC interrupt rating and Class aR utilization category, the 170M4959 delivers the fast-acting, high-current protection professionals rely on for critical power electronics. Choose Bussmann for code-compliant, reliable circuit protection.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 550 A
- Application:
- semiconductor protection
- Certifications:
- IEC 60269-4
- Class:
- Class aR
- Compliances:
- CE
- Fuse Indicator:
- Other
- Fuse Shape:
- Square body, flush end contacts
- Insulated Metal Gripping Lugs Imgl:
- No
- Interrupt Rating:
- 150 kAIC
- Packaging Type:
- Standard
- Product Height:
- 52 mm
- Product Length Depth:
- 73 mm
- Product Weight:
- 576 g
- Product Width:
- 170 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 1000 V
- Voltage Type:
- AC
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse