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Bussmann 170M7163 Class aR High Speed Fuse, 4500A
The Bussmann 170M7163 is a Class aR high speed fuse engineered for demanding power electronics applications, delivering a 4500A RMS current rating and a 300 kAIC RMS Symmetrical interrupt rating for robust fault protection. Built with a square body, flush end contact design and a -BKN/60 type K indicator, this fuse is intended for power converters/rectifiers and reduced voltage starters where precise semiconductor coordination matters. It is CE Marked, UL Recognized, and IEC Rated for compliance across global installations.
Key Features
- Amperage Rating: 4500A RMS current rating for high-capacity circuit protection in power electronics.
- Interrupt Rating: 300 kAIC RMS Symmetrical for reliable performance under high fault-current conditions.
- Fuse Class: Class aR high speed construction suited to power converters/rectifiers and reduced voltage starters.
- Body Design: Square body, flush end contact configuration with -BKN/60 type K indicator.
- Fuse Indicator: Non Indicating design.
- I2t Characteristics: Pre-Arc I2t of 3,800,000 and Clearing I2t at 660V of 25,500,000 for precise semiconductor coordination.
- Watt Losses: 520W rated watt loss.
- Mounting Method: Flush mounting.
Certifications & Compliance
- CE Marked
- UL Recognized
- IEC Rated
Technical Specifications
- Amperage Rating: 4500A
- Application: Power converters/rectifiers, reduced voltage starters
- Class: Class aR
- Clearing I2t: Clearing at 660V: 25500000
- Current Rating: 4500 A RMS
- Fuse Indicator: Non Indicating
- Interrupt Rating: 300 kAIC RMS Symmetrical
- Packaging Type: Standard
- Pre Arc I2t: 3800000
- Watt Losses: 520W
- Product Type: Square body flush end contact, -BKN/60 type K indicator
- Product Details: Square body flush end contact, -BKN/60 type K indicator
- Product Length: 5.433 IN
- Mounting Method: Flush
- Product Height: 2.087 IN
- Product Weight: 1.6456 LB
- Product Width: .315 IN
Typical Applications
- Power Converters and Rectifiers
- Reduced Voltage Starters
- Semiconductor Protection Circuits
- Industrial Power Electronics
- Motor Drive and Control Systems
Why Bussmann?
Bussmann high speed fuses are engineered with precise Pre-Arc and Clearing I2t characteristics for coordinated semiconductor protection, backed by CE Marked, UL Recognized, and IEC Rated compliance. The 170M7163's square body, flush end contact design and 300 kAIC interrupt rating make it a dependable choice for protecting power converters, rectifiers, and reduced voltage starters in demanding industrial power electronics systems.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 4500A
- Application:
- Power converters/rectifiers, reduced voltage starters
- Class:
- Class aR
- Clearing I2t:
- Clearing at 660V: 25500000
- Current Rating:
- 4500 A RMS
- Fuse Indicator:
- Non Indicating
- Interrupt Rating:
- 300 kAIC RMS Symmetrical
- Packaging Type:
- Standard
- Pre Arc I2t:
- 3800000
- Watt Losses:
- 520W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Length:
- 5.433 IN
- Product Details:
- Square body flush end contact, -BKN/60 type K indicator
- Mounting Method:
- Flush
- Product Height:
- 2.087 IN
- Product Weight:
- 1.6456 LB
- Product Width:
- .315 IN