Bussmann 170M2658 Class gR High-Speed Square Body Fuse
The Bussmann 170M2658 is an Eaton Bussmann series high-speed square body fuse engineered for semiconductor protection, rated 700V (UL) and 690V (IEC) with a 25A rating and 200 kAIC interrupting capacity. Built to Class gR utilization category and DIN 43 620 dimensional standard, this fuse features a blade end x blade end connection with slotted offset bolted tags for secure termination. A top-mounted fuse status indicator provides quick visual confirmation of fuse condition, supporting fast troubleshooting in industrial power electronics circuits.
Key Features
- Amperage & Voltage Rating: Rated 25A at 700V (UL) / 690V (IEC) AC for reliable overcurrent protection in demanding power electronics applications.
- Interrupting Rating: 200 kAIC interrupting capacity delivers dependable fault current clearing for high-energy semiconductor circuits.
- Class gR Utilization Category: Designed to general purpose semiconductor protection standards (Class gR) per DIN 43 620 dimensional specifications.
- Blade End x Blade End Connection: Square body construction with slotted offset bolted tags for secure, low-resistance blade end x blade end termination.
- Top Fuse Status Indicator: Integrated top-mounted status indicator allows quick visual verification of fuse condition without disconnecting the circuit.
- Low Watt Losses: Rated at just 6W watt losses, minimizing heat generation and energy waste during continuous operation.
- Compact Dimensions: Measures 66 mm (height) x 140 mm (width) x 233 mm (length) and weighs 221 g for straightforward panel integration.
Certifications & Compliance
- IEC Rated
- CE Marked
Technical Specifications
- Amperage Rating: 25 A
- Application: semiconductor protection
- Certifications: IEC Rated
- Clearing I2t: 130 at 660 V
- Compliances: CE Marked
- Fuse Shape: Square body, slotted offset bolted tags
- Insulated Metal Gripping Lugs (IMGL): No
- Packaging Type: Standard
- Pre Arc I2t: 19
- Product Height: 66 mm
- Product Length Depth: 233 mm
- Product Weight: 221 g
- Product Width: 140 mm
- Utilization Category: gR (general purpose semiconductor protection)
- Voltage Rating: 690 V
- Voltage Type: AC
- Watt Losses: 6 W
Typical Applications
- Semiconductor Device Protection
- Power Electronics and Rectifier Circuits
- Industrial Motor Drive Protection
- High-Speed Fault Current Interruption
Why Bussmann?
Bussmann by Eaton is a trusted name in circuit protection, and the 170M2658 reflects that standard with CE marked, IEC rated construction built to DIN 43 620 dimensions for consistent fit and performance. Its Class gR square body design with slotted offset bolted tags and top-mounted status indicator delivers dependable, code-compliant protection for demanding semiconductor and power electronics installations.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 25 A
- Application:
- semiconductor protection
- Certifications:
- IEC Rated
- Class:
- Class gR
- Clearing I2t:
- 130 at 660 V
- Compliances:
- CE Marked
- Connection:
- Blade end x blade end
- Fuse Indicator:
- Top fuse status indicator
- Fuse Shape:
- Square body, slotted offset bolted tags
- Insulated Metal Gripping Lugs Imgl:
- No
- Interrupt Rating:
- 200 kAIC
- Mounting Method:
- DIN 43 620
- Packaging Type:
- Standard
- Pre Arc I2t:
- 19
- Product Height:
- 66 mm
- Product Length Depth:
- 233 mm
- Product Weight:
- 221 g
- Product Width:
- 140 mm
- Utilization Category:
- gR (general purpose semiconductor protection)
- Voltage Rating:
- 690 V
- Voltage Type:
- AC
- Watt Losses:
- 6 W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse