Bussmann 170M4697 Class aR High Speed Fuse, 630A, 1000V
The Bussmann 170M4697 is a Class aR high speed fuse rated 630A RMS at 1000 Vac (IEC), engineered to protect power semiconductors in demanding DC applications including DC common bus systems, DC drives, power converters/rectifiers, and reduced voltage starters. Built in a square body US-style design (-FU/115 without indicator), this non-indicating fuse delivers a 100 kAIC interrupt rating for reliable circuit protection in high-performance industrial power systems. Backed by UL Recognized, IEC Rated, and CSA Certified listings, it is built for demanding environments requiring fast semiconductor protection.
Key Features
- Current Rating: 630A RMS for high-capacity circuit protection in demanding power applications.
- Class aR Fuse: Semiconductor-protection class engineered for DC common bus, DC drives, power converters/rectifiers, and reduced voltage starters.
- Voltage Rating: 1000 Vac (IEC) supports high-voltage DC drive and converter circuits.
- Interrupt Rating: 100 kAIC delivers dependable fault-current interruption.
- Fuse Indicator: Non Indicating design per the -FU/115 without indicator configuration.
- Watt Losses: 100W rated power dissipation.
- I²t Characteristics: Pre-Arc I²t of 130000 and Clearing I²t at 1000V of 660000 for precise coordination with upstream and downstream devices.
- Square Body Construction: US-style square body form factor for standard high speed fuse mounting.
Certifications & Compliance
- RoHS Compliant
- CE Marked
- UL Recognized
- IEC Rated
- CSA Certified
Technical Specifications
- Amperage Rating: 630A
- Application: DC common bus, DC drives, power converters/rectifiers, reduced voltage starters
- Class: Class aR
- Clearing I2t: Clearing at 1000V: 660000
- Current Rating: 630A RMS
- Fuse Indicator: Non Indicating
- Interrupt Rating: 100 kAIC
- Packaging Type: Standard
- Pre Arc I2t: 130000
- Voltage Rating: 1000 Vac (IEC)
- Watt Losses: 100W
- Product Type: Square body US style, -FU/115 without indicator
- Product Details: Square body US style, -FU/115 without indicator
- Product Length: 5.433 IN
- Product Height: 2.087 IN
- Product Width: .315 IN
- Product Weight: 1.6456 LB
Typical Applications
- DC Common Bus Systems
- DC Drive Circuit Protection
- Power Converters and Rectifiers
- Reduced Voltage Starters
- Industrial Semiconductor Protection
Why Bussmann?
Bussmann high speed fuses are engineered for the demanding I²t coordination that semiconductor protection requires, and the 170M4697 is UL Recognized, IEC Rated, and CSA Certified for use across global power systems. With a 630A RMS, 1000 Vac (IEC) rating and 100 kAIC interrupt capability, this Class aR fuse delivers fast-clearing, code-compliant protection for DC drives, converters, and starters.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 630A
- Class:
- Class aR
- Clearing I2t:
- Clearing at 1000V: 660000
- Current Rating:
- 630A RMS
- Fuse Indicator:
- Non Indicating
- Interrupt Rating:
- 100 kAIC
- Packaging Type:
- Standard
- Pre Arc I2t:
- 130000
- Voltage Rating:
- 1000 Vac (IEC)
- Watt Losses:
- 100W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Length:
- 5.433 IN
- Product Details:
- Square body US style, -FU/115 without indicator
- Product Height:
- 2.087 IN
- Product Weight:
- 1.6456 LB
- Product Width:
- .315 IN