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Bussmann 170M-539 High-Speed Square Body Fuse, Class aR, 1000V, 450A
The Bussmann 170M-539 is a high-speed square body fuse engineered for semiconductor protection in demanding electrical systems. Rated 1000V, 450A, with a 100 kAIC interrupt rating, this Class aR fuse is designed to protect accompanied semiconductor devices from fault currents. Its square body design with flush end contacts allows for compact, space-saving installation in fuse blocks and holders built for this configuration.
Key Features
- Electrical Rating: 1000V, 450A with a 100 kAIC interrupt rating for demanding fault-current conditions.
- Class aR Utilization: Classified as aR (accompanied semiconductor protection), suited for protecting semiconductor devices used alongside other overcurrent protection.
- High-Speed Operation: High-speed fuse design engineered to clear fault currents quickly, helping safeguard sensitive semiconductor components.
- Square Body, Flush End Contacts: Square body construction with flush end contacts for reliable connection in compatible fuse holders and blocks.
- AC Voltage Type: Rated for AC voltage systems, consistent with its 1000V rating.
- No Insulated Metal Gripping Lugs: Supplied without insulated metal gripping lugs (IMGL), per manufacturer specification.
- Application-Specific Design: Purpose-built for semiconductor protection applications where precise, fast-acting overcurrent response is required.
Certifications & Compliance
- CE Marked
Technical Specifications
- Application: semiconductor protection
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Type: AC
- Insulated Metal Gripping Lugs Imgl: No
- Packaging Type: Standard
- Fuse Shape: Square body, flush end contacts
- Compliances: CE Marked
Typical Applications
- Semiconductor Device Protection
- Power Electronics and Rectifier Circuits
- Industrial AC Voltage Systems up to 1000V
- High-Speed Fault Current Interruption
- Accompanied Overcurrent Protection Schemes
Why Bussmann?
Bussmann by Eaton is a recognized name in circuit protection, and the 170M-539 reflects that standard with a high-speed, Class aR design built specifically for semiconductor protection at 1000V and 450A. With a 100 kAIC interrupt rating, square body construction, flush end contacts, and CE marking, this fuse is engineered for reliable, code-compliant performance in professional electrical and industrial power electronics applications.
Manufacturer Resources
Product Specs
- Product Details:
- Fuse
- Application:
- semiconductor protection
- Utilization Category:
- aR (accompanied semiconductor protection)
- Product Type:
- Fuse
- Product Group:
- Fuses
- Voltage Type:
- AC
- Product Subgroup:
- Other Fuses
- Insulated Metal Gripping Lugs Imgl:
- No
- Class:
- Class aR
- Packaging Type:
- Standard
- Fuse Indicator:
- Other
- Fuse Shape:
- Square body, flush end contacts
- Mounting Method:
- Flush
- Compliances:
- CE Marked
- Department:
- Electrical
Bussmann 170M5393 – Frequently Asked Questions
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Does the Bussmann 170M5393 come with a warranty?
Absolutely. The Bussmann 170M5393 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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