Bussmann 170M3020 Eaton Series High Speed Square Body Fuse, 450A Class aR
The Bussmann 170M3020 is an Eaton series high speed square body fuse purpose-built for semiconductor protection, rated 1250V (IEC) / 1300V (UL), 450A, with a 200 kAIC interrupt rating. Built to DIN 43 620 dimensions with blade end x blade end terminations and a top fuse status indicator, this Class aR fuse delivers fast, coordinated clearing for accompanied semiconductor protection in demanding power electronics applications.
Key Features
- Amperage Rating: 450A for high-current semiconductor circuit protection.
- Voltage Rating: 1250V (IEC) / 1300V (UL), 690V AC, suited to demanding industrial power systems.
- Interrupt Rating: 200 kAIC for high fault-current withstand capability.
- Utilization Category: Class aR (accompanied semiconductor protection), sized specifically for semiconductor device coordination.
- Fuse Shape: Square body with slotted, center bolted tags for secure blade end x blade end connections.
- Status Indicator: Top fuse status indicator for quick visual confirmation of fuse condition.
- Dimensional Standard: Built to DIN 43 620 for compatibility with standard fuse holders and disconnects.
- Clearing Characteristics: Pre-arc I2t of 21000 and clearing I2t of 140000 at 660V for precise semiconductor coordination.
Certifications & Compliance
- UL Recognized
- CE Marked
Technical Specifications
- Amperage Rating: 450 A
- Application: semiconductor protection
- Certifications: UL Recognized
- Clearing I2t: 140000 at 660 V
- Clearing Loss: 65
- Compliances: CE Marked
- Fuse Shape: Square body, slotted center bolted tags
- Insulated Metal Gripping Lugs (IMGL): No
- Packaging Type: Standard
- Pre Arc I2t: 21000
- Product Height: 65 mm
- Product Length Depth: 305 mm
- Product Weight: 352.6666667 g
- Product Width: 145 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 690 V
- Voltage Type: AC
Typical Applications
- Semiconductor Protection
- Power Electronics and Motor Drives
- Industrial Motor Control Systems
- Rectifier and Converter Circuits
- High Fault-Current Industrial Power Distribution
Why Bussmann?
Bussmann series fuses from Eaton are engineered to demanding semiconductor protection standards, combining a 200 kAIC interrupt rating, Class aR utilization, and DIN 43 620 dimensional compatibility with UL Recognized and CE Marked compliance. For professionals specifying reliable, code-compliant overcurrent protection for power electronics and industrial drive systems, the 170M3020 delivers the fast-clearing performance semiconductor circuits require.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 450 A
- Application:
- semiconductor protection
- Certifications:
- UL Recognized
- Class:
- Class aR
- Clearing I2t:
- 140000 at 660 V
- Clearing Loss:
- 65
- Compliances:
- CE Marked
- Connection:
- Blade end x blade end
- Fuse Indicator:
- Top fuse status indicator
- Fuse Shape:
- Square body, slotted center bolted tags
- Insulated Metal Gripping Lugs Imgl:
- No
- Interrupt Rating:
- 200 kAIC
- Mounting Method:
- DIN 43 620
- Packaging Type:
- Standard
- Pre Arc I2t:
- 21000
- Product Height:
- 65 mm
- Product Length Depth:
- 305 mm
- Product Weight:
- 352.6666667 g
- Product Width:
- 145 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 690 V
- Voltage Type:
- AC
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse