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Bussmann 170M7057 Class aR Semiconductor Fuse, 1000A 1600V
The Bussmann 170M7057 is a Class aR semiconductor protection fuse rated 1000A at 1600V under the 4BKN/125 AR configuration, engineered to safeguard power semiconductor devices in demanding industrial circuits. Utilization category aR (accompanied semiconductor protection) makes this fuse well suited for protecting rectifiers, drives, and other sensitive power electronics where fast, reliable overcurrent protection is critical. Additional spec-sheet ratings list 3500 A and 690 V AC, reflecting the fuse's broader parametric rating range. Built for professional electrical and industrial power applications, the 170M7057 delivers dependable, code-conscious circuit protection.
Key Features
- Amperage & Voltage Rating: Rated 1000A at 1600V per the 4BKN/125 AR configuration, with additional parametric ratings of 3500 A and 690 V AC listed on the spec sheet.
- Class aR Semiconductor Protection: Utilization category aR (accompanied semiconductor protection) is purpose-built to protect power semiconductor devices.
- Dedicated Application: Designed specifically for semiconductor protection in industrial power circuits, rectifiers, and drive systems.
- Rugged Physical Design: Measures 140 mm (length/depth) x 120 mm (width) x 105 mm (height) and weighs 4900 g, reflecting heavy-duty construction for high-current applications.
- Fuse Indicator: Equipped with an "Other" type fuse indicator for status identification.
- Standard Packaging: Ships in standard packaging for straightforward stocking and installation.
Technical Specifications
- Amperage Rating: 3500 A
- Application: semiconductor protection
- Class: Class aR
- Compliances: Contact factory
- Fuse Indicator: Other
- Insulated Metal Gripping Lugs (IMGL): No
- Packaging Type: Standard
- Product Height: 105 mm
- Product Length Depth: 140 mm
- Product Weight: 4900 g
- Product Width: 120 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 690 V
- Voltage Type: AC
Typical Applications
- Semiconductor Device Protection
- Industrial Power Electronics and Rectifier Circuits
- Motor Drive and Variable Frequency Drive Systems
- Heavy-Duty Industrial Electrical Installations
Why Bussmann?
Bussmann fuses are engineered for dependable overcurrent protection in demanding industrial environments, and the 170M7057's Class aR utilization category reflects purpose-built design for semiconductor protection applications. With defined amperage and voltage ratings and a rugged physical construction, this fuse is built to help keep sensitive power electronics protected in professional installations. Choose Bussmann for consistent, application-specific circuit protection.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 3500 A
- Application:
- semiconductor protection
- Class:
- Class aR
- Compliances:
- Contact factory
- Fuse Indicator:
- Other
- Insulated Metal Gripping Lugs Imgl:
- No
- Packaging Type:
- Standard
- Product Height:
- 105 mm
- Product Length Depth:
- 140 mm
- Product Weight:
- 4900 g
- Product Width:
- 120 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