Bussmann 170M3110 High-Speed Square Body Fuse, 63A, Class aR
The Bussmann 170M3110 is an Eaton Bussmann series high-speed square body fuse engineered for demanding semiconductor protection applications. Rated 700V (UL) and 690V (IEC) with a 63A amperage rating and a 200 kAIC interrupting rating, this Class aR fuse is built to DIN 43 620 dimensions with blade end x blade end terminals for reliable connection in power electronics assemblies. CE marked and IEC rated, it delivers the fast-clearing performance required to protect sensitive semiconductor devices from short-circuit and overcurrent conditions.
Key Features
- Voltage Rating: 700V (UL) / 690V (IEC) for high-voltage circuit protection in industrial power systems.
- Amperage Rating: 63A rated for dependable overcurrent protection in semiconductor circuits.
- Interrupting Rating: 200 kAIC high interrupting capacity for demanding power electronics protection duty.
- Fuse Shape: Square body with slotted, center bolted tags and blade end x blade end terminals conforming to DIN 43 620 dimensions.
- Utilization Category: Class aR (accompanied semiconductor protection), a high-speed fuse type purpose-built for semiconductor protection applications.
- Clearing Characteristics: Clearing I2t of 770 at 660V and Pre-Arc I2t of 115 for precise coordination with semiconductor short-circuit ratings.
- Clearing Loss: Rated clearing loss of 14 for efficient thermal performance under fault conditions.
- Voltage Type: AC rated for use in alternating current power distribution and drive systems.
Certifications & Compliance
- IEC Rated
- CE Marked
Technical Specifications
- Amperage Rating: 63 A
- Application: semiconductor protection
- Certifications: IEC Rated
- Clearing I2t: 770 at 660 V
- Clearing Loss: 14
- Compliances: CE Marked
- Fuse Shape: Square body, slotted center bolted tags
- Insulated Metal Gripping Lugs (IMGL): No
- Packaging Type: Standard
- Pre Arc I2t: 115
- Product Height: 65 mm
- Product Length/Depth: 305 mm
- Product Weight: 320.8333333 g
- Product Width: 145 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 690 V
- Voltage Type: AC
Typical Applications
- Semiconductor Device Protection
- Power Electronics and Drive Systems
- Rectifier and Converter Circuits
- Industrial Power Distribution Equipment
- High-Speed Overcurrent Protection for Solid-State Devices
Why Bussmann?
Bussmann by Eaton engineers this high-speed square body fuse to the DIN 43 620 standard, combining a 200 kAIC interrupting rating with tight Class aR clearing characteristics for coordinated semiconductor protection. IEC rated and CE marked construction supports code-compliant performance in industrial power electronics, giving engineers a dependable overcurrent protection component for critical power conversion equipment.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 63 A
- Application:
- semiconductor protection
- Certifications:
- IEC Rated
- Class:
- Class aR
- Clearing I2t:
- 770 at 660 V
- Clearing Loss:
- 14
- Compliances:
- CE Marked
- Connection:
- Blade end x blade end
- Fuse Indicator:
- Other
- 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:
- 115
- Product Height:
- 65 mm
- Product Length Depth:
- 305 mm
- Product Weight:
- 320.8333333 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