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Bussmann 170M3148 High-Speed Square Body Fuse, 400A Class aR
The Bussmann 170M3148 is an Eaton series high-speed square body fuse engineered for semiconductor protection in demanding power electronics applications. Rated 400A with a 100kAIC interrupt rating and Class aR utilization category, this fuse meets the DIN 43 620 standard and carries a 1250V voltage rating for AC circuits. Its square body design features centre-bolted tags (slotted) and a top fuse status indicator, providing reliable accompanied semiconductor protection where fast clearing and high interrupting capacity are required.
Key Features
- Amperage Rating: 400A for high-current semiconductor protection circuits.
- Interrupt Rating: 100kAIC for reliable performance under high fault-current conditions.
- Utilization Category: Class aR (accompanied semiconductor protection) per DIN 43 620.
- Fuse Shape: Square body with slotted, centre-bolted tags for secure mounting.
- Voltage Rating: 1250V AC for demanding power electronics applications.
- Clearing I²t: 265,000 A²s at 1000V and 335,000 A²s at 1250V.
- Watt Losses: 70W.
- Status Indicator: Top fuse status indicator for quick visual verification.
Certifications & Compliance
- IEC Rated
- CE Marked
Technical Specifications
- Amperage Rating: 400 A
- Application: semiconductor protection
- Certifications: IEC Rated
- Clearing I2t: 265000 at 1000 V, 335000 at 1250 V
- Compliances: CE Marked
- Fuse Shape: Square body, slotted center bolted tags
- Insulated Metal Gripping Lugs (IMGL): No
- Product Height: 65 mm
- Product Length Depth: 305 mm
- Product Weight: 425 g
- Product Width: 145 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 1250 V
- Voltage Type: AC
- Watt Losses: 70 W
Typical Applications
- Semiconductor Protection Circuits
- Power Electronics and Rectifier Assemblies
- Industrial Drive and Converter Systems
- High-Speed Fault Current Interruption
- Panelboard and Switchgear Protection
Why Bussmann?
Bussmann by Eaton engineers the 170M3148 to the DIN 43 620 standard, delivering a square body fuse built for accompanied semiconductor protection with a 100kAIC interrupt rating and CE Marked, IEC Rated compliance. The slotted, centre-bolted tag design and top fuse status indicator support dependable installation and quick condition checks, making this fuse a trusted choice for professional power electronics and industrial protection applications.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 400 A
- Application:
- semiconductor protection
- Certifications:
- IEC Rated
- Class:
- Class aR
- Clearing I2t:
- 265000 at 1000 V, 335000 at 1250 V
- Compliances:
- CE Marked
- Fuse Indicator:
- Top fuse status indicator
- Fuse Shape:
- Square body, slotted center bolted tags
- Insulated Metal Gripping Lugs Imgl:
- No
- Interrupt Rating:
- 100 kAIC
- Mounting Method:
- DIN 43 620
- Packaging Type:
- Standard
- Pre Arc I2t:
- 53000
- Product Height:
- 65 mm
- Product Length Depth:
- 305 mm
- Product Weight:
- 425 g
- Product Width:
- 145 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 1250 V
- Voltage Type:
- AC
- Watt Losses:
- 70 W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse