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Bussmann 170M4441 High Speed Square Body Fuse, Class aR, 315A
The Bussmann 170M4441 is an Eaton Bussmann series high speed square body fuse engineered for semiconductor protection in demanding power circuits. Rated 315A with a voltage rating of 700V (UL) and 690V (IEC), this Class aR fuse delivers a 100 kAIC interrupt rating for reliable current-limiting performance. Its square body design with flush end contacts supports compact, high-density mounting in power electronics and drive applications.
Key Features
- Amperage Rating: 315A high speed rating suited for demanding semiconductor protection circuits.
- Voltage Rating: 700V (UL), 690V (IEC), with a 1250V AC component rating for versatile system compatibility.
- Interrupt Rating: 100 kAIC provides dependable short-circuit protection in high-fault-current applications.
- Utilization Category: Class aR (accompanied semiconductor protection) designed to work alongside other overcurrent devices protecting semiconductors.
- Fuse Shape: Square body construction with flush end contacts for compact, space-saving installation.
- Clearing I2t: 90000 at 1000V and 120000 at 1250V for precise, fast-acting current limitation.
- Pre-Arc I2t: 15000 supports accurate coordination with semiconductor protection schemes.
- Watt Losses: 65W rated power dissipation.
Certifications & Compliance
- IEC Rated
- CE Marked
Technical Specifications
- Amperage Rating: 315 A
- Application: semiconductor protection
- Certifications: IEC Rated
- Clearing I2t : 90000 at 1000 V, 120000 at 1250 V
- Compliances: CE Marked
- Fuse Shape: Square body, flush end contacts
- Insulated Metal Gripping Lugs Imgl : No
- Packaging Type: Standard
- Pre Arc I2t : 15000
- Product Height: 51 mm
- Product Length Depth: 160 mm
- Product Weight: .569 g
- Product Width: 70 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 1250 V
- Voltage Type: AC
- Watt Losses: 65 W
Typical Applications
- Semiconductor Protection
- Power Electronics and Drive Circuits
- Industrial Motor Control Systems
- High Speed AC Circuit Protection
Why Bussmann?
Bussmann by Eaton engineers high speed fuses to exacting IEC and UL performance standards, backing the 170M4441 with CE marking and IEC-rated construction. The square body, flush-contact design and Class aR utilization category make this fuse a dependable choice for protecting semiconductor devices in professional power electronics applications.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 315 A
- Application:
- semiconductor protection
- Certifications:
- IEC Rated
- Class:
- Class aR
- Clearing I2t:
- 90000 at 1000 V, 120000 at 1250 V
- Compliances:
- CE Marked
- Fuse Indicator:
- Other
- Fuse Shape:
- Square body, flush end contacts
- Insulated Metal Gripping Lugs Imgl:
- No
- Interrupt Rating:
- 100 kAIC
- Mounting Method:
- Flush
- Packaging Type:
- Standard
- Pre Arc I2t:
- 15000
- Product Height:
- 51 mm
- Product Length Depth:
- 160 mm
- Product Weight:
- .569 g
- Product Width:
- 70 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 1250 V
- Voltage Type:
- AC
- Watt Losses:
- 65 W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse
Bussmann 170M4441 – Frequently Asked Questions
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Does the Bussmann 170M4441 come with a warranty?
Absolutely. The Bussmann 170M4441 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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