Bussmann 170M4563 Eaton Series High-Speed Square Body Fuse, Class aR, 450A
The Bussmann 170M4563 is an Eaton series high-speed square body fuse engineered for semiconductor protection in demanding power electronics applications. Rated 450A with a voltage rating of 700V (UL) and 690V (IEC), this Class aR fuse delivers a 200 kAIC interrupting rating for reliable fault clearing. Its square body design with flush end contacts supports secure installation in high-current circuits, while IEC Rated certification and CE Marked compliance confirm suitability for global industrial use.
Key Features
- Amperage Rating: 450A for high-current semiconductor and power conversion circuits.
- Voltage Rating: 700V (UL) / 690V (IEC) AC for demanding industrial power systems.
- Interrupting Rating: 200 kAIC delivers high fault-current interrupting capacity.
- Utilization Category: Class aR (accompanied semiconductor protection) for partial-range fault protection alongside semiconductor devices.
- Fuse Shape: Square body construction with flush end contacts for secure, busbar-style mounting.
- Clearing I²t: 120000 at 660V for predictable let-through energy during fault clearing.
- Pre-Arc I²t: 17000 supports coordinated protection design.
- Watt Losses: 70W rated power loss for thermal design planning.
Certifications & Compliance
- IEC Rated
- CE Marked
Technical Specifications
- Amperage Rating: 450 A
- Application: semiconductor protection
- Certifications: IEC Rated
- Clearing I²t: 120000 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: 17000
- Product Height: 52 mm
- Product Length/Depth: 73 mm
- Product Weight: 397.3333333 g
- Product Width: 170 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 690 V
- Voltage Type: AC
- Watt Losses: 70 W
Typical Applications
- Semiconductor Protection
- Power Conversion and Rectifier Circuits
- Motor Drive and Inverter Protection
- High-Speed Fault Current Interruption
- Industrial Power Electronics Equipment
Why Bussmann?
Bussmann by Eaton fuses are engineered for dependable, code-compliant performance in demanding electrical and power electronics environments. The 170M4563's IEC Rated certification, CE Marked compliance, and Class aR utilization category reflect the rigorous design standards professionals rely on for semiconductor protection. Choose Bussmann for consistent quality backed by Eaton's engineering expertise.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 450 A
- Application:
- semiconductor protection
- Certifications:
- IEC Rated
- Class:
- Class aR
- Clearing I2t:
- 120000 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:
- 17000
- Product Height:
- 52 mm
- Product Length Depth:
- 73 mm
- Product Weight:
- 397.3333333 g
- Product Width:
- 170 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 690 V
- Voltage Type:
- AC
- Watt Losses:
- 70 W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse