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Bussmann 170M4959 High-Speed Fuse-Link, 550A, 1000V AC, Class aR
Model: BUSS-170M4959
Bussmann
Bussmann 170M5958 High-Speed Fuse-Link, 550A, 1000V AC, Class aR
The Bussmann 170M5958 is a high-speed fuse-link engineered for demanding semiconductor protection applications, delivering a 550 A current rating at up to AC 1000 V. Built in a compact size 2 square-body format measuring 59 x 77 x 75 mm with flush end contacts, this fuse-link carries a Class aR (accompanied semiconductor protection) rating and a 150 kAIC interrupt rating for reliable performance under fault conditions. It features a single indicator for quick visual status confirmation and is recognized to both IEC and UL standards for use in industrial power electronics and drive systems.
Key Features
- Current Rating: 550 A for high-power semiconductor circuit protection.
- Voltage Rating: AC 1000 V, suited for demanding industrial power electronics.
- Compact Size 2 Construction: Square body with flush end contacts, 59 x 77 x 75 mm footprint.
- Utilization Category: Class aR (accompanied semiconductor protection) per IEC 60269-4.
- Interrupt Rating: 150 kAIC for reliable performance under high fault-current conditions.
- Single Indicator: Built-in blown-fuse indicator for quick visual status confirmation.
- Dual Recognition: IEC and UL recognized for flexibility across global equipment designs.
- Gripping Lugs: No insulated metal gripping lugs (IMGL); standard flush end-contact design.
Certifications & Compliance
- IEC 60269-4 Compliant
- UL Recognized
- 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: 80 mm
- Product Length Depth: 168 mm
- Product Weight: 752.25 g
- Product Width: 124 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Type: AC
Typical Applications
- Semiconductor Protection in Power Electronics
- Variable Frequency Drives and Motor Controllers
- Industrial Rectifier and Converter Circuits
- High-Power Switchgear and Distribution Equipment
- Renewable Energy and Traction Power Systems
Why Bussmann?
Bussmann fuse-links are engineered to strict IEC 60269-4 standards and carry UL recognition, giving specifiers confidence in consistent, code-compliant performance. The 170M5958 high interrupt rating and Class aR design make it a dependable choice for protecting sensitive semiconductor devices in demanding industrial power applications.
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:
- 80 mm
- Product Length Depth:
- 168 mm
- Product Weight:
- 752.25 g
- Product Width:
- 124 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