Bussmann 170M2043 High Speed Traction Fuse-Link, 400A DC 2000V, aR IEC
The Bussmann 170M2043 is an Eaton series high speed traction fuse-link engineered for demanding DC third-rail and traction power protection. Rated 400A at DC 2000V, this aR (accompanied semiconductor protection) fuse-link is IEC rated and includes a visual fuse indicator for fast status checks. Built with a square body and offset bolted tags measuring 65 x 89 x 213 mm, it carries a 100 kAIC interrupt rating for protection of DC third rail applications up to 2000 Vdc.
Key Features
- Compact Dimensions: 65 x 89 x 213 mm square body sized for traction power fuse compartments.
- High Amperage Rating: 400A continuous rating for robust DC third-rail circuit protection.
- DC Voltage Rating: Rated DC 2000V for high-voltage traction and third-rail systems.
- aR Utilization Category: Class aR (accompanied semiconductor protection) fuse-link per IEC standards.
- Visual Indicator: Integrated fuse indicator for quick blown-fuse identification.
- Interrupt Rating: 100 kAIC interrupt rating for high fault-current environments.
- Square Body, Offset Bolted Tags: Designed for secure, repeatable mounting in traction fuse holders.
- Traction & Third-Rail Application: Purpose-built for protection of DC third rail applications up to 2000 Vdc.
Certifications & Compliance
- IEC Rated
Technical Specifications
- Application: traction | third rail
- Certifications: IEC Rated
- Class: Class aR
- Compliances: Not Applicable
- Fuse Indicator: Other
- Fuse Shape: Square body, offset bolted tags
- Interrupt Rating: 100 kAIC
- Packaging Type: Standard
- Product Height: 92 mm
- Product Length Depth: 217 mm
- Product Weight: 2082 g
- Product Width: 65 mm
- Used With: Protection of DC third rail applications up to 2000 Vdc
- Utilization Category: aR (accompanied semiconductor protection)
Typical Applications
- DC Third-Rail Traction Power Systems
- Rail and Transit Electrical Protection
- High-Voltage DC Circuit Protection
- Semiconductor Device Protection (aR Class)
Why Bussmann?
Bussmann by Eaton is a recognized name in circuit protection, and the 170M2043 reflects that engineering with an IEC-rated, 100 kAIC interrupt-rated fuse-link built for demanding DC traction applications. Its aR utilization category, integrated indicator, and rugged square-body construction with offset bolted tags make it a dependable choice for protecting high-voltage third-rail and traction power systems.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 400 A
- Application:
- traction | third rail
- Certifications:
- IEC Rated
- Class:
- Class aR
- Compliances:
- Not Applicable
- Fuse Indicator:
- Other
- Fuse Shape:
- Square body, offset bolted tags
- Interrupt Rating:
- 100 kAIC
- Packaging Type:
- Standard
- Product Height:
- 92 mm
- Product Length Depth:
- 217 mm
- Product Weight:
- 2082 g
- Product Width:
- 65 mm
- Used With:
- Protection of DC third rail applications up to 2000 Vdc
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 2000 V
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse