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Bussmann 170M2670 High Speed Square Body Fuse, Class aR, 350A
Model: BUSS-170M2670
Bussmann
Bussmann 170M1373 High-Speed Square Body Fuse, Class aR, 350A
The Bussmann 170M1373 is an Eaton series high-speed square body fuse engineered for semiconductor protection, rated 350A with a voltage rating of 700V (UL) / 690V (IEC) and a 200 kAIC interrupting rating. Built to DIN 43 620 blade-end dimensions with blade end X Din 43-620 blade end configuration, this Class aR fuse is designed for applications requiring accompanied semiconductor protection under Utilization Category aR. A top-mounted fuse status indicator provides at-a-glance visual confirmation of fuse condition, supporting fast troubleshooting in demanding power electronics environments.
Key Features
- Amperage Rating: 350A high-speed fuse element sized for semiconductor protection duty.
- Voltage Rating: Rated 700V (UL) and 690V (IEC) for use across UL- and IEC-governed installations.
- Interrupting Rating: 200 kAIC short-circuit interrupting capacity for demanding fault-current environments.
- Fuse Body & Connection: Square body design with blade end X Din 43-620 blade end termination for DIN 43 620-compliant mounting.
- Utilization Category: Class aR (accompanied semiconductor protection) per its aR utilization category designation.
- Status Indicator: Top-mounted fuse status indicator for quick visual verification of fuse condition.
- Application: Purpose-built for semiconductor protection duty.
Certifications & Compliance
- Rated 700V per UL voltage designation
- Rated 690V per IEC voltage designation
Technical Specifications
- Amperage Rating: 350 A
- Application: semiconductor protection
- Compliances: Contact factory
- Fuse Shape: Square body, slotted offset bolted tags
- Insulated Metal Gripping Lugs (Imgl): No
- Packaging Type: Standard
- Product Height: 46 mm
- Product Length Depth: 105 mm
- Product Weight: 141 g
- Product Width: 300 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 690 V
- Voltage Type: AC
Typical Applications
- Semiconductor Protection Circuits
- Power Electronics and Drive Systems
- Industrial Motor Control Equipment
- Commercial and Industrial Electrical Installations
- Panelboard and Switchgear Fuse Protection
Why Bussmann?
Bussmann by Eaton fuses are engineered with square body construction, DIN 43 620 blade-end termination, and a top fuse status indicator to support reliable, code-aware performance in professional electrical and power electronics installations. With a 350A rating, 200 kAIC interrupting capacity, and Class aR utilization category, the 170M1373 is built for demanding semiconductor protection applications where consistent, dependable performance matters most.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 350 A
- Application:
- semiconductor protection
- Class:
- Class aR
- Compliances:
- Contact factory
- Connection:
- Blade end x Din 43-620 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
- Product Height:
- 46 mm
- Product Length Depth:
- 105 mm
- Product Weight:
- 141 g
- Product Width:
- 300 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