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Bussmann 170M3563 Eaton Series High-Speed Square Body Fuse, 690V, 125A
The Bussmann 170M3563 is an Eaton series high-speed square body fuse engineered for demanding power semiconductor protection duty, rated 700V (UL) / 690V (IEC) at 125A with a 200 kAIC interrupt rating. Built in the Class aR utilization category (accompanied semiconductor protection), this fuse features a square body with flush end contacts for compact, high-density panel and drive mounting. It is purpose-built for semiconductor protection applications where fast clearing and precise current-limiting performance are critical to safeguarding sensitive power electronics.
Key Features
- Voltage Rating: 700V (UL) / 690V (IEC) for use across UL and IEC-rated systems.
- Amperage Rating: 125A continuous current rating for reliable circuit protection.
- Interrupt Rating: 200 kAIC short-circuit current rating for high fault-current environments.
- Utilization Category: Class aR (accompanied semiconductor protection) for coordinated protection of power semiconductors.
- Construction: Square body design with flush end contacts for compact bus-bar and busbar-style mounting.
- Clearing I2t: 3700 at 660V with a pre-arc I2t of 550 for fast, predictable current-limiting response.
- Watt Losses: 34W rated power dissipation.
- Application: Designed specifically for semiconductor protection duty.
Certifications & Compliance
- IEC Rated
- CE Marked
Technical Specifications
- Amperage Rating: 125 A
- Application: semiconductor protection
- Certifications: IEC Rated
- Clearing I2t: 3700 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: 550
- Product Height: 47 mm
- Product Length/Depth: 193 mm
- Product Weight: 266.6666667 g
- Product Width: 106 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 690 V
- Voltage Type: AC
- Watt Losses: 34 W
Typical Applications
- Semiconductor Protection Circuits
- Power Electronics and Drive Systems
- Industrial Motor Control and Variable Frequency Drives
- High-Speed Power Semiconductor Protection
- Panelboard and Switchgear Protection Assemblies
Why Bussmann?
Bussmann by Eaton is a recognized name in circuit protection, and the 170M3563 reflects that engineering standard with a Class aR utilization rating purpose-built for accompanied semiconductor protection. With a 200 kAIC interrupt rating, defined clearing and pre-arc I2t characteristics, and CE marked, IEC rated compliance, this fuse delivers the fast, coordinated protection that power electronics and drive applications require for dependable, code-compliant performance.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 125 A
- Application:
- semiconductor protection
- Certifications:
- IEC Rated
- Class:
- Class aR
- Clearing I2t:
- 3700 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:
- 550
- Product Height:
- 47 mm
- Product Length Depth:
- 193 mm
- Product Weight:
- 266.6666667 g
- Product Width:
- 106 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 690 V
- Voltage Type:
- AC
- Watt Losses:
- 34 W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse