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Bussmann 170M4388 Eaton Series High-Speed Square Body Fuse, Class aR, 160A
The Bussmann 170M4388 is an Eaton Bussmann series high-speed square body fuse engineered for demanding power electronics applications. Rated 700V (UL) and 690V (IEC) with a 160A amperage rating and 100 kAIC interrupting capacity, this Class aR fuse is designed for accompanied semiconductor protection where fast, reliable clearing performance is critical. Its square body design with flush end contacts supports compact, busbar-style mounting in industrial equipment, and the fuse carries IEC Rated and CE Marked compliance for demanding electrical systems.
Key Features
- High-Speed Electrical Rating: 700V (UL), 690V (IEC), 160A, 100 kAIC interrupting rating for demanding power circuits.
- Class aR Utilization Category: Accompanied semiconductor protection for coordinated circuit designs.
- Square Body Construction: Square body fuse shape with flush end contacts for compact, busbar-style installations.
- I2t Ratings: Pre-arc I2t of 1900 and clearing I2t of 11500 at 1000 V / 15500 at 1250 V for precise circuit coordination.
- Watt Loss: 45 W rated power loss.
- Application-Specific Design: Built for semiconductor protection in industrial power electronics.
Certifications & Compliance
- IEC Rated
- CE Marked
Technical Specifications
- Amperage Rating: 160 A
- Application: semiconductor protection
- Certifications: IEC Rated
- Clearing I2t: 11500 at 1000 V, 15500 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: 1900
- Product Height: 52 mm
- Product Length Depth: 73 mm
- Product Weight: 559 g
- Product Width: 170 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 1250 V
- Voltage Type: AC
- Watt Losses: 45 W
Typical Applications
- Semiconductor Protection Circuits
- Power Electronics and Drive Systems
- Industrial Motor Control Equipment
- High-Speed Circuit Protection for AC Power Distribution
Why Bussmann?
Bussmann is a trusted name in circuit protection, and the 170M4388 reflects that reliability with its square body construction, flush end contacts, and Class aR semiconductor protection design. Backed by IEC Rated and CE Marked compliance, this high-speed fuse delivers the precise, dependable clearing performance that industrial power electronics and motor control systems demand.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 160 A
- Application:
- semiconductor protection
- Certifications:
- IEC Rated
- Class:
- Class aR
- Clearing I2t:
- 11500 at 1000 V, 15500 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:
- 1900
- Product Height:
- 52 mm
- Product Length Depth:
- 73 mm
- Product Weight:
- 559 g
- Product Width:
- 170 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 1250 V
- Voltage Type:
- AC
- Watt Losses:
- 45 W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse
Bussmann 170M4388 – Frequently Asked Questions
How fast can I get the Bussmann 170M4388 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
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 170M4388 come with a warranty?
Absolutely. The Bussmann 170M4388 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 170M4388?
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installation tips, and troubleshooting. Contact Us
Why buy the Bussmann 170M4388 from ZenSupply?
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and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.