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Bussmann 170M4564 High-Speed Square Body Fuse, Class aR
The Bussmann 170M4564 is an Eaton Bussmann series high-speed square body fuse engineered for semiconductor protection, rated 700V (UL) and 690V (IEC) with a 500A amperage rating and 200 kAIC interrupting capacity. Built to Class aR utilization category standards, this fuse protects semiconductor devices in demanding power electronics applications. The square body construction with flush end contacts supports reliable installation in high-speed protection circuits.
Key Features
- Compact Dimensions: Measures 170 mm in length/depth, 72 mm in width, and 52 mm in height for precise fit in semiconductor protection assemblies.
- Square Body, Flush End Contacts: Fuse shape designed for secure mounting and consistent electrical contact in high-speed circuits.
- Class aR Utilization Category: Rated aR for accompanied semiconductor protection applications.
- Dual Voltage Rating: 700V (UL) and 690V (IEC), AC voltage type, for cross-standard compatibility.
- 500A Amperage Rating: Delivers 500A of rated current handling for high-power semiconductor circuits.
- 200 kAIC Interrupting Rating: High interrupting capacity supports demanding fault-current conditions.
- Clearing and Pre-Arc I2t: Clearing I2t of 170000 at 660V and pre-arc I2t of 25000 for predictable current-limiting performance.
- Watt Losses: Rated at 72W under normal operating conditions.
Certifications & Compliance
- UL Recognized
- CE Marked
Technical Specifications
- Amperage Rating: 500 A
- Application: semiconductor protection
- Certifications: UL Recognized
- Clearing I2t: 170000 at 660 V
- Compliances: CE Marked
- Fuse Shape: Square body, flush end contacts
- Insulated Metal Gripping Lugs (IMGL): No
- Packaging Type: Standard
- Pre Arc I2t: 25000
- Product Height: 52 mm
- Product Length/Depth: 170 mm
- Product Weight: 397.3333333 g
- Product Width: 72 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 690 V
- Voltage Type: AC
- Watt Losses: 72 W
Typical Applications
- Semiconductor Protection Circuits
- Power Electronics and Drive Systems
- Rectifier and Converter Protection
- Industrial Electrical Installations Requiring High-Speed Fusing
Why Bussmann?
Bussmann series fuses from Eaton are engineered for dependable, code-compliant performance in demanding electrical environments. With UL Recognized and CE Marked compliance, the 170M4564 delivers the high-speed, current-limiting protection semiconductor and power electronics applications require. Choose Bussmann for consistent, reliable fuse protection backed by rigorous manufacturing standards.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 500 A
- Application:
- semiconductor protection
- Certifications:
- UL Recognized
- Class:
- Class aR
- Clearing I2t:
- 170000 at 660 V
- Compliances:
- CE Marked
- Fuse Indicator:
- Other
- Fuse Shape:
- Square body, flush end contacts
- Insulated Metal Gripping Lugs Imgl:
- No
- Interrupt Rating:
- 200 kAIC
- Mounting Method:
- Flush
- Packaging Type:
- Standard
- Pre Arc I2t:
- 25000
- Product Height:
- 52 mm
- Product Length Depth:
- 170 mm
- Product Weight:
- 397.3333333 g
- Product Width:
- 72 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 690 V
- Voltage Type:
- AC
- Watt Losses:
- 72 W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse