Bussmann 170M-420 High-Speed aR Fuse-Link, IEC Size 1, 1250V AC
The Bussmann 170M-420 is a high-speed aR fuse-link engineered for semiconductor protection, built to IEC Size 1 dimensions of 53 x 63 x 135 mm. Rated 1250V AC with a 100 kAIC interrupt rating, this fuse-link is offered in 350A and 700A ratings to match your protection requirements. A single top fuse status indicator gives installers and maintenance staff a quick visual check on fuse condition without powering down the circuit.
Key Features
- IEC Size 1 Dimensions: 53 x 63 x 135 mm body for standard high-speed fuse mounting hardware.
- High-Speed aR Utilization Category: Classified for accompanied semiconductor protection per IEC standard, built for fast clearing under fault conditions.
- Voltage Rating: 1250V AC for demanding power electronics and drive circuits.
- Interrupt Rating: 100 kAIC delivers dependable short-circuit interrupting capacity.
- Amp Rating Range: Available in 350A and 700A ratings to fit your semiconductor protection scheme.
- Fuse Indicator: Top fuse status indicator (single indicator) for at-a-glance condition checks.
- Application: Purpose-built for semiconductor protection in AC circuits.
- Packaging Type: Standard packaging.
Certifications & Compliance
- IEC Standard Fuse-Link
- 100 kAIC Interrupt Rating
Technical Specifications
- Class: Class aR
- Voltage Type: AC
- Utilization Category: aR (accompanied semiconductor protection)
- Packaging Type: Standard
- Interrupt Rating: 100 kAIC
- Application: semiconductor protection
- Insulated Metal Gripping Lugs Imgl: No
- Fuse Indicator: Top fuse status indicator
Typical Applications
- Semiconductor Protection Circuits
- Power Electronics and Drive Systems
- Rectifier and Inverter Protection
- Industrial Motor Control Systems
- Panelboard and Switchgear Circuit Protection
Why Bussmann?
Bussmann builds this high-speed aR fuse-link to IEC Size 1 specifications with a 1250V AC and 100 kAIC rating, giving engineers a dependable, code-compliant option for protecting semiconductors and power electronics. The top fuse status indicator simplifies maintenance checks, and the 350A and 700A rating options let you match protection precisely to your circuit without overspecifying. Choose Bussmann for consistent, reliable fuse performance in demanding industrial applications.
Manufacturer Resources
Product Specs
- Product Group:
- Fuses
- Class:
- Class aR
- Voltage Type:
- AC
- Utilization Category:
- aR (accompanied semiconductor protection)
- Packaging Type:
- Standard
- Product Type:
- Fuse-Link
- Interrupt Rating:
- 100 kAIC
- Product Details:
- Fuse
- Application:
- semiconductor protection
- Insulated Metal Gripping Lugs Imgl:
- No
- Product Subgroup:
- Other Fuses
- Department:
- Electrical
- Fuse Indicator:
- Top fuse status indicator
- Voltage Rating:
- 1250V AC
- Amperage Rating:
- 350A-700A
- Standards:
- IEC