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Bussmann 170M7963 3000A 1000V Class aR Semiconductor Fuse
The Bussmann 170M7963 is a 3000A, 1000V Class aR fuse engineered for accompanied semiconductor protection in demanding power electronics applications. Built to IEC ratings and CE marked for global compliance, this fuse delivers a 125 kAIC interrupt rating and mounts to the DIN 43 620 standard for reliable integration into industrial fuse holders and switchgear. Its precise clearing characteristics make it well suited for coordinating protection with sensitive semiconductor devices in high-power circuits.
Key Features
- High Current & Voltage Rating: Rated 3000A at 1000V for robust protection in high-power electrical systems.
- Class aR Semiconductor Protection: Utilization category aR (accompanied semiconductor protection) purpose-built for the semiconductor protection application.
- High Interrupt Rating: 125 kAIC interrupt rating supports reliable operation under high fault-current conditions.
- DIN 43 620 Mounting: Standardized DIN 43 620 mounting method for compatibility with common industrial fuse holders.
- Precise Clearing Characteristics: Clearing I2t of 8,600,000 at 1000V and pre-arc I2t of 1,450,000 for coordinated semiconductor protection.
- Compact, Robust Construction: Measures 202 mm (L) x 140 mm (W) x 116 mm (H) and weighs 3495.85 g.
- Watt Loss Rating: 270 W watt loss rating for accurate thermal system design.
Certifications & Compliance
- IEC Rated
- CE Marked
Technical Specifications
- Amperage Rating: 2000 A
- Application: semiconductor protection
- Certifications: IEC Rated
- Class: Class aR
- Clearing I2t: 8600000 at 1000 V
- Compliances: CE Marked
- Fuse Indicator: Other
- Fuse Size: 4
- Insulated Metal Gripping Lugs (Imgl): No
- Interrupt Rating: 125 kAIC
- Mounting Method: DIN 43 620
- Packaging Type: Standard
- Pre Arc I2t: 1450000
- Product Height: 116 mm
- Product Length Depth: 202 mm
- Product Weight: 3495.85 g
- Product Width: 140 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 1000 V
- Voltage Type: AC
- Watt Losses: 270 W
Typical Applications
- Semiconductor Device Protection
- Power Electronics and Converter Circuits
- Industrial Motor Drive Protection Systems
- High-Voltage Industrial Distribution and Switchgear
Why Bussmann?
Bussmann fuses are engineered to demanding IEC ratings and CE marked for verified compliance, giving electrical professionals confidence in critical semiconductor protection applications. With a high 125 kAIC interrupt rating and precise clearing characteristics, the 170M7963 delivers dependable, code-compliant performance for industrial power electronics. Choose Bussmann for consistent quality and reliable protection in demanding electrical environments.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 2000 A
- Application:
- semiconductor protection
- Certifications:
- IEC Rated
- Class:
- Class aR
- Clearing I2t:
- 8600000 at 1000 V
- Compliances:
- CE Marked
- Fuse Indicator:
- Other
- Fuse Size:
- 4
- Insulated Metal Gripping Lugs Imgl:
- No
- Interrupt Rating:
- 125 kAIC
- Mounting Method:
- DIN 43 620
- Packaging Type:
- Standard
- Pre Arc I2t:
- 1450000
- Product Height:
- 116 mm
- Product Length Depth:
- 202 mm
- Product Weight:
- 3495.85 g
- Product Width:
- 140 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 1000 V
- Voltage Type:
- AC
- Watt Losses:
- 270 W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse