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Bussmann 170M7683 Class aR Semiconductor Fuse, 1700A 1250V AC
Model: BUSS-170M7683
Bussmann
Bussmann 170M7512 Class aR 1700A 1250V Semiconductor Fuse
The Bussmann 170M7512 is a Class aR semiconductor protection fuse rated 1700A at 1250V AC, engineered for accompanied semiconductor protection (Utilization Category aR) in demanding industrial power circuits. Built to IEC ratings and CE marked for compliance, this flush-mounted fuse delivers a 125 kAIC interrupt rating to safeguard power semiconductor devices, drives, and rectifier assemblies from overcurrent and short-circuit conditions. With a Pre-Arc I2t of 800,000 and Clearing I2t of 5,000,000 at 1250V, the 170M7512 provides fast, predictable current-limiting performance for critical semiconductor circuits.
Key Features
- Amperage & Voltage Rating: Rated 1700A at 1250V AC for high-capacity semiconductor circuit protection.
- Utilization Category: Class aR (accompanied semiconductor protection) for use alongside upstream overload protection.
- Interrupt Rating: 125 kAIC interrupt rating for reliable short-circuit clearing in high-fault environments.
- Mounting Method: Flush mounting for compact installation in semiconductor protection assemblies.
- Current-Limiting Performance: Pre-Arc I2t of 800,000 and Clearing I2t of 5,000,000 at 1250V for fast fault clearing.
- Watt Losses: 195W watt loss rating for thermal design planning.
- Application: Purpose-built for semiconductor protection in power electronics and drive systems.
Certifications & Compliance
- IEC Rated
- CE Marked
Technical Specifications
- Amperage Rating: 1400 A
- Application: semiconductor protection
- Certifications: IEC Rated
- Class: Class aR
- Clearing I2t: 5000000 at 1250 V
- Compliances: CE Marked
- Fuse Indicator: Other
- Insulated Metal Gripping Lugs (Imgl): No
- Interrupt Rating: 125 kAIC
- Mounting Method: Flush
- Packaging Type: Standard
- Pre Arc I2t: 800000
- Product Height: 116 mm
- Product Length Depth: 202 mm
- Product Weight: 746.4309952 g
- Product Width: 140 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 1250 V
- Voltage Type: AC
- Watt Losses: 195 W
Typical Applications
- Semiconductor Protection in Power Electronics
- Variable Frequency Drives and Rectifier Assemblies
- Industrial Power Distribution Panels
- High-Fault-Current Circuit Protection
- Flush-Mounted Fuse Panel Retrofits
Why Bussmann?
Bussmann fuses are engineered to IEC ratings and CE marked for verified compliance, giving electrical professionals confidence in demanding semiconductor protection applications. The 170M7512's 125 kAIC interrupt rating and defined I2t characteristics support precise, code-compliant coordination in industrial power systems. Choose Bussmann for dependable overcurrent protection built for critical power electronics.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 1400 A
- Application:
- semiconductor protection
- Certifications:
- IEC Rated
- Class:
- Class aR
- Clearing I2t:
- 5000000 at 1250 V
- Compliances:
- CE Marked
- Fuse Indicator:
- Other
- Insulated Metal Gripping Lugs Imgl:
- No
- Interrupt Rating:
- 125 kAIC
- Mounting Method:
- Flush
- Packaging Type:
- Standard
- Pre Arc I2t:
- 800000
- Product Height:
- 116 mm
- Product Length Depth:
- 202 mm
- Product Weight:
- 746.4309952 g
- Product Width:
- 140 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 1250 V
- Voltage Type:
- AC
- Watt Losses:
- 195 W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse