Bussmann 170M3688 Eaton Series High Speed Square Body Fuse, Class aR
The Bussmann 170M3688 is an Eaton Bussmann series high speed square body fuse engineered for demanding semiconductor protection applications. Rated 700V (UL) and 690V (IEC), this Class aR fuse delivers a 50A rating with a 100 kAIC interrupt rating, making it well suited for accompanied semiconductor protection in industrial power electronics. Its square body, center bolted tag design supports reliable installation in high speed fuse holders and disconnects where precise current-limiting performance is critical.
Key Features
- Amperage Rating: 50A for precise overcurrent protection in semiconductor protection circuits.
- Voltage Rating: 700V (UL) and 690V (IEC) for use across UL and IEC rated systems.
- High Speed Class aR: Utilization Category aR fuse designed for accompanied semiconductor protection duty.
- Interrupt Rating: 100 kAIC for dependable performance under high fault-current conditions.
- Square Body Design: Square body construction with center bolted tags for secure, low-resistance connections.
- Watt Losses: 15W rated power loss for predictable thermal performance in enclosed equipment.
Certifications & Compliance
- UL Recognized
- CE Marked
Technical Specifications
- Amperage Rating: 50 A
- Application: semiconductor protection
- Certifications: UL Recognized
- Clearing I2t: 815 at 1000 V, 1100 at 1250 V
- Compliances: CE Marked
- Fuse Shape: Square body, center bolted tags
- Insulated Metal Gripping Lugs (Imgl): No
- Packaging Type: Standard
- Pre Arc I2t: 135
- Product Height: 59 mm
- Product Length Depth: 156 mm
- Product Weight: 875 g
- Product Width: 45 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 1250 V
- Voltage Type: AC
- Watt Losses: 15 W
Typical Applications
- Semiconductor Protection Circuits
- Power Electronics and Rectifier Assemblies
- High Speed Fuse Holders and Disconnects
- Industrial Power Distribution Panels
Why Bussmann?
Bussmann by Eaton engineers its high speed square body fuses for the precise current-limiting performance that semiconductor protection demands. With UL Recognized and CE Marked compliance, the 170M3688 delivers dependable, code-compliant overcurrent protection for industrial power electronics where reliability is essential.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 50 A
- Application:
- semiconductor protection
- Certifications:
- UL Recognized
- Class:
- Class aR
- Clearing I2t:
- 815 at 1000 V, 1100 at 1250 V
- Compliances:
- CE Marked
- Fuse Shape:
- Square body, center bolted tags
- Insulated Metal Gripping Lugs Imgl:
- No
- Interrupt Rating:
- 100 kAIC
- Packaging Type:
- Standard
- Pre Arc I2t:
- 135
- Product Height:
- 59 mm
- Product Length Depth:
- 156 mm
- Product Weight:
- 875 g
- Product Width:
- 45 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 1250 V
- Voltage Type:
- AC
- Watt Losses:
- 15 W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse