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Bussmann 170M-371 Class aR Square Body High-Speed Fuse, 1000V, 200 kAIC
The Bussmann 170M-371 is an Eaton Bussmann series high-speed square body fuse engineered for accompanied semiconductor protection in demanding industrial power circuits. Rated 1000V with a 200 kAIC interrupting rating, this blade end to blade end fuse is part of the 170M series and is available across the family in amperage ratings from 80A to 500A, including 80A, 100A, 125A, 160A, 200A, 250A, 315A, 400A, 450A, and 500A, to match a wide range of circuit protection requirements. Its square body, center-bolted-tag design delivers a compact, high-performance footprint for semiconductor and drive protection applications, and the fuse carries CE Marked compliance for use in international electrical systems.
Key Features
- Amperage Options: Available across the 170M series in 80A, 100A, 125A, 160A, 200A, 250A, 315A, 400A, 450A, and 500A ratings to match circuit load requirements.
- Voltage Rating: Rated 1000V for demanding industrial and power distribution circuits.
- Interrupting Rating: 200 kAIC interrupting rating delivers robust short-circuit protection.
- Utilization Category: Class aR (accompanied semiconductor protection) for use alongside upstream overcurrent devices protecting semiconductor components.
- Blade End Connection: Blade end to blade end configuration for direct mounting in compatible fuse blocks and disconnect switches.
- Square Body Construction: Square body with center bolted tags provides a compact, secure mounting profile.
- Standard Packaging: Supplied in standard packaging for straightforward stocking and distribution.
Certifications & Compliance
- CE Marked
Technical Specifications
- Connection: Blade end x blade end
- Insulated Metal Gripping Lugs Imgl: No
- Amperage Rating: 80A - 500A
Typical Applications
- Semiconductor and Power Converter Protection
- Motor Drive and Rectifier Circuits
- Industrial Power Distribution Systems
- Accompanied Short-Circuit Protection for Semiconductor Devices
- Panelboard and Switchgear Fuse Blocks
Why Bussmann?
Bussmann by Eaton is a recognized leader in circuit protection, and the 170M series square body fuse reflects that engineering standard with its 200 kAIC interrupting rating, Class aR semiconductor protection, and CE Marked compliance. Backed by a durable square body, center-bolted-tag construction, this fuse delivers dependable, code-compliant performance for professional electrical and industrial power applications in fuse blocks and disconnect switches rated for 1000V systems.
Manufacturer Resources
Product Specs
- Product Group:
- Fuses
- Class:
- Class aR
- Utilization Category:
- aR (accompanied semiconductor protection)
- Packaging Type:
- Standard
- Connection:
- Blade end x blade end
- Product Type:
- Fuse
- Interrupt Rating:
- 200 kAIC
- Fuse Shape:
- Square body, center bolted tags
- Product Details:
- Fuse
- Insulated Metal Gripping Lugs Imgl:
- No
- Product Subgroup:
- Other Fuses
- Compliances:
- CE Marked
- Department:
- Electrical
- Voltage Rating:
- 690V
- Amperage Rating:
- 80A - 500A
- Configuration:
- Square Body, Center Bolted Tags
- Connection Type:
- Blade End
- Listing:
- CE Marked
- Series:
- 170M