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Bussmann 170M4064 High Speed Square Body Fuse, Class aR, 500A
The Bussmann 170M4064 is an Eaton Bussmann series high speed square body fuse engineered for semiconductor protection in demanding power electronics circuits. Rated 500A with a voltage rating of 1250V (IEC) and 1300V (UL), this Class aR fuse delivers a 200 kAIC interrupting rating along with a 690 V continuous AC voltage rating for reliable performance in industrial power systems. Built to DIN 43 620 dimensional standards with blade end X blade end connections and a top fuse status indicator, the 170M4064 is designed for fast, dependable clearing of high fault currents in accompanied semiconductor protection applications.
Key Features
- Amperage & Voltage Rating: 500A fuse rated 1250V (IEC) / 1300V (UL), with a 690 V AC continuous voltage rating for demanding power electronics circuits.
- Interrupting Capacity: 200 kAIC interrupting rating delivers robust short-circuit protection for high-fault-current applications.
- Class aR Utilization Category: Designed for accompanied semiconductor protection, working alongside other overcurrent devices to protect power semiconductors.
- Square Body Construction: Square body fuse shape with slotted center bolted tags and blade end X blade end connections, built to DIN 43 620 dimensional standards.
- Top Fuse Status Indicator: Integrated top-mounted status indicator provides quick visual confirmation of fuse condition.
- Fast-Clearing Performance: Pre-arc I²t rating of 25000 and clearing I²t of 170000 at 660 V, with a clearing loss of 72, supporting rapid current limitation.
- Application: Purpose-built for semiconductor protection in power conversion and control equipment.
Certifications & Compliance
- UL Recognized
- CE Marked
Technical Specifications
- Amperage Rating: 500 A
- Application: semiconductor protection
- Certifications: UL Recognized
- Clearing I²t: 170000 at 660 V
- Clearing Loss: 72
- Compliances: CE Marked
- Fuse Shape: Square body, slotted center bolted tags
- Insulated Metal Gripping Lugs (IMGL): No
- Packaging Type: Standard
- Pre-Arc I²t: 25000
- Product Height: 62 mm
- Product Length/Depth: 245 mm
- Product Weight: 152.3333333 g
- Product Width: 142 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 690 V
- Voltage Type: AC
Typical Applications
- Semiconductor Device Protection
- Power Electronics and Drive Systems
- Industrial Motor Control and Rectifier Circuits
- Panelboard and Switchgear Protection
Why Bussmann?
Bussmann is a recognized name in circuit protection, and the 170M4064 reflects that standard with UL Recognized and CE Marked compliance backing its 200 kAIC interrupting rating and Class aR construction. For engineers and electricians protecting semiconductor-based equipment, this Eaton Bussmann series high speed square body fuse delivers the fast-clearing, code-compliant performance professional power electronics applications demand.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 500 A
- Application:
- semiconductor protection
- Certifications:
- UL Recognized
- Class:
- Class aR
- Clearing I2t:
- 170000 at 660 V
- Clearing Loss:
- 72
- Compliances:
- CE Marked
- Connection:
- Blade end x blade end
- Fuse Indicator:
- Top fuse status indicator
- Fuse Shape:
- Square body, slotted center bolted tags
- Insulated Metal Gripping Lugs Imgl:
- No
- Interrupt Rating:
- 200 kAIC
- Mounting Method:
- DIN 43 620
- Packaging Type:
- Standard
- Pre Arc I2t:
- 25000
- Product Height:
- 62 mm
- Product Length Depth:
- 245 mm
- Product Weight:
- 152.3333333 g
- Product Width:
- 142 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 690 V
- Voltage Type:
- AC
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse