Bussmann 170M3573 Eaton Series 630A High Speed Square Body Fuse, Class aR
The Bussmann 170M3573 is an Eaton series high speed square body fuse rated 630A HS with a voltage rating of 1300V (UL) / 1250V (IEC), built to Class aR performance for demanding power electronics circuits. Its square body construction and flush mounting method suit DC common bus, DC drive, and power converter/rectifier applications where a 200 kAIC interrupt rating and precise clearing characteristics are required. The fuse carries UL Recognized and CE Marked compliance for professional industrial installations.
Key Features
- Amperage Rating: 630A for high-capacity DC bus and drive circuit protection.
- Voltage Rating: 1300V (UL), 1250V (IEC), high speed (HS) 690V class for demanding power conversion equipment.
- Class aR Design: High speed square body fuse construction engineered for power converter and rectifier protection.
- Interrupt Rating: 200 kAIC for reliable performance under high fault-current conditions.
- Mounting Method: Flush mounting for square body fuse installations.
- Fuse Indicator: Non Indicating design.
- Clearing Characteristics: Pre-Arc I²t of 48,500 A²s and Clearing I²t of 325,000 A²s at 660V for coordinated circuit protection.
- Watt Losses: 100W rated power dissipation.
Certifications & Compliance
- UL Recognized
- CE Marked
Technical Specifications
- Amperage Rating: 630 A
- Application: DC common bus, DC drives, power converters/rectifiers
- Certifications: UL Recognized
- Class: Class aR
- Clearing I2t: 325000 at 660 V
- Compliances: CE Marked
- Fuse Indicator: Non Indicating
- Interrupt Rating: 200 kAIC
- Mounting Method: Flush
- Packaging Type: Standard
- Pre Arc I2t: 48500
- Product Height: 47 mm
- Product Length Depth: 193 mm
- Product Weight: 262 g
- Product Width: 106 mm
- Voltage Rating: 1300 V (UL), 1250 V (IEC)
- Watt Losses: 100 W
- Product Type: Square body -GKN/- type K indicator for micro
- Product Details: Square body -GKN/- type K indicator for micro
Typical Applications
- DC Common Bus Protection
- DC Drive Systems
- Power Converters and Rectifiers
- High-Speed Semiconductor Circuit Protection
- Industrial Power Electronics Installations
Why Bussmann?
Bussmann by Eaton is a recognized name in circuit protection engineering, and the 170M3573 reflects that standard with UL Recognized and CE Marked compliance, a 200 kAIC interrupt rating, and Class aR high speed performance. For professionals specifying square body fuses in DC bus, drive, and power converter applications, this fuse delivers the coordinated protection characteristics required for reliable, code-compliant industrial power systems.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 630 A
- Application:
- DC common bus, DC drives, power converters/rectifiers
- Certifications:
- UL Recognized
- Class:
- Class aR
- Clearing I2t:
- 325000 at 660 V
- Compliances:
- CE Marked
- Fuse Indicator:
- Non Indicating
- Interrupt Rating:
- 200 kAIC
- Mounting Method:
- Flush
- Packaging Type:
- Standard
- Pre Arc I2t:
- 48500
- Product Height:
- 47 mm
- Product Length Depth:
- 193 mm
- Product Weight:
- 262 g
- Product Width:
- 106 mm
- Voltage Rating:
- 1300 V (UL), 1250 V (IEC)
- Watt Losses:
- 100 W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Square Body Fuses
- Product Type:
- Square body -GKN/- type K indicator for micro
- Product Details:
- Square body -GKN/- type K indicator for micro