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Bussmann 170M5444 Eaton Series High-Speed Square Body Fuse, Class aR, 500A
The Bussmann 170M5444 is an Eaton Bussmann series high-speed square body fuse engineered for semiconductor protection in demanding power electronics circuits. Rated 700V (UL) / 690V (IEC) at 500A with a 100 kAIC interrupt rating, this Class aR, Utilization Category aR (accompanied semiconductor protection) fuse features a square body with flush end contacts for reliable, high-speed clearing performance. It is IEC Rated and CE Marked, making it suitable for both North American and international power protection applications.
Key Features
- Amperage Rating: 500A for high-current semiconductor protection circuits.
- Voltage Rating: 700V (UL) and 690V (IEC) AC for demanding power electronics.
- Interrupt Rating: 100 kAIC for high fault-current interrupting capacity.
- Fuse Shape: Square body with flush end contacts for secure mounting.
- Utilization Category: Class aR, accompanied semiconductor protection type.
- Clearing I2t: 285,000 at 1000V, 380,000 at 1250V for fast fault clearing.
- Pre-Arc I2t: 23,000 for predictable let-through energy coordination.
- Watt Losses: 95W rated power dissipation.
Certifications & Compliance
- IEC Rated
- CE Marked
Technical Specifications
- Amperage Rating: 500 A
- Application: semiconductor protection
- Certifications: IEC Rated
- Clearing I2t: 285000 at 1000 V, 380000 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: 23000
- Product Height: 60 mm
- Product Length Depth: 92 mm
- Product Weight: 812 g
- Product Width: 163 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 1250 V
- Voltage Type: AC
- Watt Losses: 95 W
Typical Applications
- Semiconductor Protection
- Power Electronics and Converter Circuits
- Industrial Motor Drive Protection
- High-Speed Fault Clearing Applications
Why Bussmann?
Bussmann by Eaton engineers the 170M5444 for the demanding coordination requirements of semiconductor protection, backing it with IEC ratings and CE marking for verified international compliance. With a 100 kAIC interrupt rating, defined Pre-Arc and Clearing I2t values, and a square body, flush-contact design, this fuse delivers the precise, fast-clearing performance professionals rely on for code-compliant power electronics protection.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 500 A
- Application:
- semiconductor protection
- Certifications:
- IEC Rated
- Class:
- Class aR
- Clearing I2t:
- 285000 at 1000 V, 380000 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:
- 23000
- Product Height:
- 60 mm
- Product Length Depth:
- 92 mm
- Product Weight:
- 812 g
- Product Width:
- 163 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 1250 V
- Voltage Type:
- AC
- Watt Losses:
- 95 W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse
Bussmann 170M5444 – Frequently Asked Questions
How fast can I get the Bussmann 170M5444 delivered?
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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 170M5444 come with a warranty?
Absolutely. The Bussmann 170M5444 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 170M5444?
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Why buy the Bussmann 170M5444 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.