Bussmann 170M3171 Eaton Series High-Speed Square Body Fuse, 500A Class aR
The Bussmann 170M3171 is an Eaton series high-speed square body fuse engineered for semiconductor protection in demanding industrial power systems. Rated 700V (UL) / 690V (IEC) and 500A with a 200 kAIC interrupting rating, this Class aR fuse is built to DIN 43 620 dimensions with blade end X blade end terminations for dependable installation in high-current circuits. A top-mounted fuse status indicator provides fast visual confirmation of fuse condition, helping maintenance teams reduce downtime on critical equipment.
Key Features
- Voltage Rating: 700V (UL) / 690V (IEC) rating suited to high-power industrial and semiconductor circuits.
- Amperage Rating: 500A current rating supports demanding semiconductor protection loads.
- Interrupting Rating: 200 kAIC interrupting capacity delivers dependable short-circuit protection.
- Fuse Construction: Square body design with slotted center bolted tags and blade end X blade end terminations built to DIN 43 620.
- Utilization Category: Class aR (accompanied semiconductor protection) fast-acting characteristic purpose-built for semiconductor circuit protection.
- Status Indicator: Top fuse status indicator allows quick visual verification of fuse condition.
- Clearing Performance: Pre-arc I²t of 27,000 and clearing I²t of 180,000 at 660V support precise coordination with semiconductor devices.
Certifications & Compliance
- UL Recognized
- CE Marked
Technical Specifications
- Amperage Rating: 500 A
- Application: semiconductor protection
- Certifications: UL Recognized
- Clearing I2t: 180000 at 660 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: 341 g
- Product Width: 145 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 690 V
- Voltage Type: AC
Typical Applications
- Semiconductor Protection Circuits
- Industrial Power Distribution Systems
- High-Speed Fuse Panelboards
- Motor Drive and Rectifier Protection
- Critical Short-Circuit Current Limiting
Why Bussmann?
Bussmann by Eaton is a trusted name in circuit protection, and the 170M3171 reflects that standard with UL Recognized and CE Marked compliance, DIN 43 620 dimensional standardization, and a square body construction rated to 200 kAIC. For engineers protecting semiconductor devices and other sensitive industrial loads, this fuse delivers the fast-acting, code-compliant performance professionals rely on.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 500 A
- Application:
- semiconductor protection
- Certifications:
- UL Recognized
- Class:
- Class aR
- Clearing I2t:
- 180000 at 660 V
- Clearing Loss:
- 70
- 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:
- 27000
- Product Height:
- 65 mm
- Product Length Depth:
- 305 mm
- Product Weight:
- 341 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