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Bussmann Eaton Series High-Speed Square Body Fuse, Class aR, 80A
Bussmann's Eaton Bussmann series high-speed square body fuse is engineered for demanding semiconductor protection applications. Rated 700V (UL) and 690V (IEC) with an 80A amperage rating and a 100 kAIC interrupting rating, this Class aR fuse follows the DIN 43 620 square body configuration with slotted center bolted tags for reliable, code-compliant connections. Its high-speed current-limiting design delivers the fast clearing performance semiconductor circuits require to stay protected under fault conditions.
Key Features
- Amperage Rating: 80A supports dependable overcurrent protection in semiconductor and power electronics circuits.
- Voltage Rating: Rated 700V (UL) and 690V (IEC), with a 1250V AC voltage rating on the fuse element for demanding power systems.
- Interrupting Rating: 100 kAIC interrupting capacity for high fault-current environments.
- Utilization Category: Class aR (accompanied semiconductor protection) per DIN 43 620, in a square body shape with slotted center bolted tags.
- Current-Limiting Performance: Clearing I2t of 2500 A2s at 1000V and 3350 A2s at 1250V, with a Pre-Arc I2t of 420 A2s for precise coordination with semiconductor devices.
- Watt Losses: 25W power loss rating.
- Compact Dimensions: 305 mm length, 145 mm width, 65 mm height, and 72 g weight.
- Insulated Metal Gripping Lugs: Not equipped (No), per manufacturer specification.
Certifications & Compliance
- IEC Rated
- CE Marked
Technical Specifications
- Amperage Rating: 80 A
- Application: semiconductor protection
- Certifications: IEC Rated
- Clearing I2t: 2500 at 1000 V, 3350 at 1250 V
- Compliances: CE Marked
- Fuse Shape: Square body, slotted center bolted tags
- Insulated Metal Gripping Lugs (IMGL): No
- Packaging Type: Standard
- Pre-Arc I2t: 420
- Product Height: 65 mm
- Product Length/Depth: 305 mm
- Product Weight: 72 g
- Product Width: 145 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 1250 V
- Voltage Type: AC
- Watt Losses: 25 W
Typical Applications
- Semiconductor Device Protection
- Power Electronics and Drive Systems
- Rectifier and Converter Circuits
- Industrial Motor Control Equipment
Why Bussmann?
Bussmann, an Eaton series, builds this fuse to the DIN 43 620 square body standard with a Class aR utilization category for accompanied semiconductor protection. Backed by IEC rating and CE marking, it is engineered to deliver the fast, current-limiting performance that protects sensitive semiconductor devices in demanding industrial power electronics applications.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 80 A
- Application:
- semiconductor protection
- Certifications:
- IEC Rated
- Class:
- Class aR
- Clearing I2t:
- 2500 at 1000 V, 3350 at 1250 V
- Compliances:
- CE Marked
- Fuse Indicator:
- Other
- Fuse Shape:
- Square body, slotted center bolted tags
- Insulated Metal Gripping Lugs Imgl:
- No
- Interrupt Rating:
- 100 kAIC
- Mounting Method:
- DIN 43 620
- Packaging Type:
- Standard
- Pre Arc I2t:
- 420
- Product Height:
- 65 mm
- Product Length Depth:
- 305 mm
- Product Weight:
- 72 g
- Product Width:
- 145 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 1250 V
- Voltage Type:
- AC
- Watt Losses:
- 25 W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse
Bussmann 170M3190 – Frequently Asked Questions
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Does the Bussmann 170M3190 come with a warranty?
Absolutely. The Bussmann 170M3190 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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