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Bussmann 170M7608 Class aR Semiconductor Fuse, 1500A 1250V IEC
The Bussmann 170M7608 is a Class aR high-speed fuse rated 1500A / 1250V IEC (4BKN/105 AR) designed for accompanied semiconductor protection in demanding industrial power circuits. Built to IEC standards and CE marked for international compliance, this fuse delivers a 300 kAIC interrupt rating and a 1000V AC nameplate voltage rating for coordinated overcurrent protection with semiconductor devices. Precise pre-arc and clearing I²t characteristics support tight coordination in power electronics, drive, and rectifier applications where reliable, fast-acting protection is critical.
Key Features
- High-Speed Fuse Rating: 1500A / 1250V IEC configuration (4BKN/105 AR) engineered for demanding semiconductor circuit protection.
- Utilization Category: Class aR (accompanied semiconductor protection) for coordinated overcurrent protection with semiconductor devices.
- Interrupt Rating: 300 kAIC for reliable performance under high fault-current conditions.
- Voltage Rating: 1000V AC nameplate rating supports demanding industrial power circuits.
- I²t Let-Through: Pre-arc I²t of 885,000 and clearing I²t of 5,700,000 at 1000V for precise coordination with semiconductor protection schemes.
- Compact Dimensions: 170 mm width x 250 mm length x 95 mm height for standard mounting configurations.
- Watt Loss: 345W rated power dissipation for efficient thermal management.
- Fuse Size: Size 24 body for compatible mounting hardware.
Certifications & Compliance
- IEC Rated
- CE Marked
Technical Specifications
- Amperage Rating: 2000 A
- Application: semiconductor protection
- Certifications: IEC Rated
- Class: Class aR
- Clearing I²t: 5700000 at 1000 V
- Compliances: CE Marked
- Fuse Indicator: Other
- Fuse Size: 24
- Insulated Metal Gripping Lugs (IMGL): No
- Interrupt Rating: 300 kAIC
- Packaging Type: Standard
- Pre-Arc I²t: 885000
- Product Height: 95 mm
- Product Length/Depth: 250 mm
- Product Weight: 746.4309952 g
- Product Width: 170 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 1000 V
- Voltage Type: AC
- Watt Losses: 345 W
Typical Applications
- Semiconductor Device Protection
- Power Converter and Rectifier Circuits
- Industrial Electrical Power Distribution
- Motor Drive and Power Electronics Protection
Why Bussmann 170M7608?
Bussmann engineers this Class aR fuse to IEC standards with CE marking, delivering a 300 kAIC interrupt rating and precise pre-arc/clearing I²t performance for coordinated semiconductor protection. For professionals specifying industrial power electronics and drive systems, this level of documented, standards-compliant performance supports safe, code-compliant installations.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 2000 A
- Application:
- semiconductor protection
- Certifications:
- IEC Rated
- Class:
- Class aR
- Clearing I2t:
- 5700000 at 1000 V
- Compliances:
- CE Marked
- Fuse Indicator:
- Other
- Fuse Size:
- 24
- Insulated Metal Gripping Lugs Imgl:
- No
- Interrupt Rating:
- 300 kAIC
- Packaging Type:
- Standard
- Pre Arc I2t:
- 885000
- Product Height:
- 95 mm
- Product Length Depth:
- 250 mm
- Product Weight:
- 746.4309952 g
- Product Width:
- 170 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 1000 V
- Voltage Type:
- AC
- Watt Losses:
- 345 W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse