Bussmann 170M5265 Eaton Series High-Speed Square Body Fuse, 900A, Class aR
The Bussmann 170M5265 is an Eaton Bussmann series high-speed square body fuse rated 900A with a 200 kAIC interrupt rating, built for demanding semiconductor protection duty. This Class aR (accompanied semiconductor protection) fuse features a blade end X blade end, slotted center bolted tag square body configuration built to DIN 43 620 dimensions, and carries a 690V AC voltage rating. It is UL Recognized and CE Marked, making it suitable for professional power electronics, drive, and rectifier protection applications requiring precise, high-speed current interruption.
Key Features
- Amperage Rating: 900A for high-current semiconductor protection circuits.
- Voltage Rating: 690V AC for use in demanding industrial power electronics systems.
- Fuse Shape: Square body design with slotted center bolted tags, blade end X blade end connection per DIN 43 620.
- Utilization Category: Class aR – accompanied semiconductor protection for coordinated overcurrent protection schemes.
- Clearing I²t: 1,250,000 at 660V for predictable high-speed clearing performance.
- Pre-Arc I²t: 125,000 for accurate coordination with semiconductor device withstand ratings.
- Clearing Loss: 105 for thermal design planning in enclosed equipment.
- Interrupt Rating: 200 kAIC for reliable performance under high fault-current conditions.
Certifications & Compliance
- UL Recognized
- CE Marked
Technical Specifications
- Amperage Rating: 900 A
- Application: semiconductor protection
- Certifications: UL Recognized
- Clearing I2t: 1250000 at 660 V
- Clearing Loss: 105
- Compliances: CE Marked
- Fuse Shape: Square body, slotted center bolted tags
- Insulated Metal Gripping Lugs (Imgl): No
- Packaging Type: Standard
- Pre Arc I2t: 125000
- Product Height: 66 mm
- Product Length Depth: 286 mm
- Product Weight: 645.3333333 g
- Product Width: 165 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 690 V
- Voltage Type: AC
Typical Applications
- Semiconductor Device Protection
- Power Electronics and Drive Protection
- Rectifier and Converter Circuits
- Industrial Power Distribution Equipment
- High-Speed Fault Current Interruption
Why Bussmann?
Bussmann by Eaton engineers this high-speed square body fuse to the DIN 43 620 standard, pairing a 900A, 200 kAIC rating with Class aR semiconductor protection performance for coordinated, reliable circuit protection. Backed by UL Recognition and CE Marking, it delivers the code-compliant, dependable performance professionals expect from Eaton Bussmann series fuses in critical power electronics applications.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 900 A
- Application:
- semiconductor protection
- Certifications:
- UL Recognized
- Class:
- Class aR
- Clearing I2t:
- 1250000 at 660 V
- Clearing Loss:
- 105
- 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:
- 125000
- Product Height:
- 66 mm
- Product Length Depth:
- 286 mm
- Product Weight:
- 645.3333333 g
- Product Width:
- 165 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