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Bussmann 170M2670 High Speed Square Body Fuse, Class aR, 350A
Model: BUSS-170M2670
Bussmann
Bussmann 170M3147 High-Speed Square Body Fuse, Class aR, 350A
The Bussmann 170M3147 is an Eaton Bussmann series high-speed square body fuse engineered for demanding semiconductor protection applications. Rated 700V (UL) / 690V (IEC) with a 350A amperage rating and a 100 kAIC interrupting rating, this Class aR fuse is built to DIN 43 620 dimensions with slotted center bolted tags and a top fuse status indicator for quick visual confirmation of fuse condition. It is IEC rated and CE marked for use in power electronics and semiconductor circuit protection.
Key Features
- Amperage Rating: 350A high-speed rating for fast-acting semiconductor circuit protection.
- Dual Voltage Rating: 700V (UL) and 690V (IEC) for use across both UL and IEC-compliant installations.
- Interrupting Rating: 100 kAIC for reliable clearing of high fault currents.
- Fuse Shape: Square body design with slotted center bolted tags built to DIN 43 620 mounting dimensions.
- Status Indicator: Top fuse status indicator provides a visual signal when the fuse has opened.
- Utilization Category: Class aR, for accompanied semiconductor protection.
- Clearing I²t: 165000 at 1000V and 220000 at 1250V.
- Pre-Arc I²t: 27000.
- Watt Losses: 65W.
Certifications & Compliance
- IEC Rated
- CE Marked
- UL Rated, 700V
Technical Specifications
- Amperage Rating: 350 A
- Application: semiconductor protection
- Certifications: IEC Rated
- Clearing I²t: 165000 at 1000 V, 220000 at 1250 V
- Compliances: CE Marked
- Fuse Shape: Square body, slotted center bolted tags
- Insulated Metal Gripping Lugs (IMGL): No
- Packaging Type: Standard
- Pre Arc I²t: 27000
- Product Height: 65 mm
- Product Length Depth: 305 mm
- Product Weight: .071 g
- Product Width: 145 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 1250 V
- Voltage Type: AC
- Watt Losses: 65 W
Typical Applications
- Semiconductor Device Protection
- Variable Frequency Drive (VFD) Circuits
- Power Electronics and Rectifier Protection
- Industrial Motor Drive Systems
- High Fault-Current Interruption Applications
Why Bussmann?
Bussmann by Eaton engineers this high-speed square body fuse to the DIN 43 620 standard, combining a 100 kAIC interrupting rating with dual UL and IEC voltage ratings for dependable performance in demanding semiconductor protection circuits. The CE marked, IEC rated construction with a top fuse status indicator supports safe, code-compliant power electronics installations for professional and industrial applications.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 350 A
- Application:
- semiconductor protection
- Certifications:
- IEC Rated
- Class:
- Class aR
- Clearing I2t:
- 165000 at 1000 V, 220000 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:
- 27000
- Product Height:
- 65 mm
- Product Length Depth:
- 305 mm
- Product Weight:
- .071 g
- Product Width:
- 145 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 1250 V
- Voltage Type:
- AC
- Watt Losses:
- 65 W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse