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Bussmann 170M4509 Eaton Series aR High-Speed Square Body Fuse, 250A
The Bussmann 170M4509 is an Eaton Bussmann series high-speed square body fuse engineered for semiconductor protection, rated 700V (UL) and 690V (IEC) with a 250A amperage rating and 200 kAIC interrupt rating. Built to Class aR utilization category for accompanied semiconductor protection, this fuse features a square body with flush end contacts and a top fuse status indicator for quick visual verification. It is UL Recognized and CE Marked for use in demanding industrial power electronic applications.
Key Features
- Amperage Rating: 250A high-speed fuse for reliable semiconductor circuit protection.
- Voltage Rating: 700V (UL) / 690V (IEC) AC voltage rating for demanding power electronic systems.
- Interrupt Rating: 200 kAIC for dependable short-circuit protection in high-fault environments.
- Utilization Category: Class aR, accompanied semiconductor protection.
- Fuse Shape: Square body with flush end contacts for compatibility with semiconductor fuse mounting.
- Top Fuse Status Indicator: Provides quick visual confirmation of fuse condition.
- Clearing I2t: 21000 at 660V for predictable let-through energy coordination.
- Pre-Arc I2t: 3100 for accurate semiconductor coordination.
- Watt Losses: 55W.
Certifications & Compliance
- UL Recognized
- CE Marked
Technical Specifications
- Amperage Rating: 250 A
- Application: semiconductor protection
- Certifications: UL Recognized
- Clearing I2t: 21000 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: 3100
- Product Height: 51 mm
- Product Length/Depth: 54 mm
- Product Weight: 127.3333333 g
- Product Width: 160 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 690 V
- Voltage Type: AC
- Watt Losses: 55 W
Typical Applications
- Semiconductor Protection
- Power Electronic and Converter Circuits
- Adjustable Speed Drive Systems
- Industrial Power Distribution Equipment
Why Bussmann?
Bussmann by Eaton engineers the 170M4509 with a robust square body design, flush end contacts, and a top fuse status indicator to support fast, accurate fault identification in semiconductor protection applications. Backed by UL Recognition and CE Marking, this Class aR fuse delivers the coordinated, high-speed clearing performance electrical professionals rely on for critical power electronic equipment.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 250 A
- Application:
- semiconductor protection
- Certifications:
- UL Recognized
- Class:
- Class aR
- Clearing I2t:
- 21000 at 660 V
- Compliances:
- CE Marked
- Fuse Indicator:
- Top fuse status indicator
- 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:
- 3100
- Product Height:
- 51 mm
- Product Length Depth:
- 54 mm
- Product Weight:
- 127.3333333 g
- Product Width:
- 160 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 690 V
- Voltage Type:
- AC
- Watt Losses:
- 55 W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse
Bussmann 170M4509 – Frequently Asked Questions
How fast can I get the Bussmann 170M4509 delivered?
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Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Bussmann 170M4509 come with a warranty?
Absolutely. The Bussmann 170M4509 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Bussmann 170M4509?
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Why buy the Bussmann 170M4509 from ZenSupply?
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and
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Our team is always ready to help you choose the right product for your project.