Bussmann 170M6793 Eaton Series High-Speed Square Body Fuse, Class aR, 1800A
The Bussmann 170M6793 is an Eaton series high-speed square body fuse engineered for demanding power semiconductor protection. Rated 700V (UL) and 500V (IEC) with a 1800A amperage rating and a 125 kAIC interrupt rating, this Class aR fuse is designed to protect power rectifiers in industrial and commercial electrical systems. Its square body, flush end contact design (Fuse Size 23) delivers dependable performance where accompanied semiconductor protection is required.
Key Features
- Amperage Rating: 1800A for high-capacity power circuit protection.
- Voltage Rating: 700V (UL) and 500V (IEC) construction for use across UL- and IEC-rated systems.
- High Interrupting Capacity: 125 kAIC interrupt rating for safe fault clearing under high fault-current conditions.
- Utilization Category aR: Classified for accompanied semiconductor protection, suited to protection of power rectifiers.
- Square Body Construction: Square body, flush end contacts (Fuse Size 23) for reliable mounting and connection.
- Watt Losses: 260 W rated watt loss for predictable thermal performance.
- I²t Ratings: Pre-arc I²t of 1,200,000 and clearing I²t of 7,600,000 at 1250V for coordinated overcurrent protection design.
Certifications & Compliance
- UL Recognized
- CE Marked
Technical Specifications
- Amperage Rating: 1800 A
- Application: Protection of power rectifiers
- Certifications: UL Recognized
- Clearing I²t: 7600000 at 1250 V
- Compliances: CE Marked
- Fuse Shape: Square body, flush end contacts
- Fuse Size: 23
- Insulated Metal Gripping Lugs (IMGL): No
- Packaging Type: Standard
- Pre Arc I²t: 1200000
- Product Height: 74 mm
- Product Length/Depth: 90 mm
- Product Weight: 746.4309952 g
- Product Width: 160 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 1250 V
- Voltage Type: AC
- Watt Losses: 260 W
Typical Applications
- Protection of Power Rectifiers
- Semiconductor Device Protection (Class aR)
- Industrial and Commercial Power Conversion Equipment
- High Fault-Current Electrical Systems Requiring 125 kAIC Protection
Why Bussmann?
Bussmann by Eaton builds the 170M6793 high-speed square body fuse to UL Recognized and CE Marked standards, giving specifiers confidence in code-compliant, reliable overcurrent protection. With a 125 kAIC interrupt rating and Class aR utilization category, this fuse delivers the coordinated, high-speed protection that power rectifiers and semiconductor-based equipment demand.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 1800 A
- Application:
- Protection of power rectifiers
- Certifications:
- UL Recognized
- Class:
- Class aR
- Clearing I2t:
- 7600000 at 1250 V
- Compliances:
- CE Marked
- Fuse Indicator:
- Other
- Fuse Shape:
- Square body, flush end contacts
- Fuse Size:
- 23
- Insulated Metal Gripping Lugs Imgl:
- No
- Interrupt Rating:
- 125 kAIC
- Packaging Type:
- Standard
- Pre Arc I2t:
- 1200000
- Product Height:
- 74 mm
- Product Length Depth:
- 90 mm
- Product Weight:
- 746.4309952 g
- Product Width:
- 160 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 1250 V
- Voltage Type:
- AC
- Watt Losses:
- 260 W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse