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Bussmann 170L-957 High-Speed Fuse-Link, Size 3, aR IEC, 1000V AC
The Bussmann 170L-957 is a high-speed fuse-link built for demanding semiconductor protection duty, featuring a Size 3 square body with flush end contacts and a single indicator for quick visual status checks. Rated 1000V AC and engineered to the aR utilization category (accompanied semiconductor protection), this fuse-link is certified to IEC 60269-4 and available in 750A and 1000A ratings to match a range of semiconductor circuit protection requirements. The square-body, flush-contact design supports reliable, code-compliant installation in industrial power electronics and drive systems.
Key Features
- Amp Rating Range: Available in 750A and 1000A ratings, giving installers flexibility to match the fuse-link to the specific semiconductor branch-circuit load.
- Voltage Rating: Rated 1000V AC, supporting high-voltage semiconductor protection circuits.
- Utilization Category: Class aR (accompanied semiconductor protection) design, purpose-built for fast-acting protection of semiconductor devices rather than general branch-circuit duty.
- High-Speed Construction: High-speed fuse-link engineering delivers rapid current interruption under fault conditions typical of power electronics and drive equipment.
- Fuse Shape: Square body with flush end contacts, sized to Size 3 fuse holders for a secure, low-resistance connection.
- Single Indicator: Built-in single indicator provides a clear visual cue for fuse condition, simplifying maintenance checks.
- Certified Design: Certified to IEC 60269-4 and CE compliant, supporting use in professional, code-compliant electrical installations.
Certifications & Compliance
- IEC 60269-4
- CE Compliant
Technical Specifications
- Class: Class aR
- Voltage Type: AC
- Voltage Rating: 1000V
- Utilization Category: aR (accompanied semiconductor protection)
- Fuse Shape: Square body, flush end contacts
- Fuse Indicator: Other
- Product Width: 95 mm
- Product Height: 76 mm
- Product Length Depth: 168 mm
- Application: semiconductor protection
- Packaging Type: Standard
- Insulated Metal Gripping Lugs Imgl: No
- Compliances: CE
- Certifications: IEC 60269-4
Typical Applications
- Semiconductor Protection Circuits
- Power Electronics and Variable Frequency Drives
- Industrial Motor Control Equipment
- High-Speed Branch Circuit Protection Panels
- Rectifier and Converter Protection
Why Bussmann?
Bussmann engineers the 170L-957 fuse-link to the aR utilization category specifically for accompanied semiconductor protection, backing it with IEC 60269-4 certification and CE compliance for dependable performance in demanding power electronics environments. The Size 3 square body, flush end contacts, and single indicator combine to give electrical professionals a fuse-link that installs securely and reports its status clearly, supporting reliable, code-compliant protection across the full 750A-1000A rating range.
Manufacturer Resources
Product Specs
- Product Group:
- Fuses
- Class:
- Class aR
- Voltage Type:
- AC
- Product Width:
- 95 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Packaging Type:
- Standard
- Product Type:
- Fuse
- Fuse Shape:
- Square body, flush end contacts
- Product Height:
- 76 mm
- Product Details:
- Fuse
- Application:
- semiconductor protection
- Insulated Metal Gripping Lugs Imgl:
- No
- Product Subgroup:
- Other Fuses
- Compliances:
- CE
- Product Length Depth:
- 168 mm
- Department:
- Electrical
- Certifications:
- IEC 60269-4
- Fuse Indicator:
- Other
- Voltage Rating:
- 1000V
- Amperage Rating:
- 750A-1000A
- Configuration:
- Size 3
- Standards:
- IEC 60269-4