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Bussmann 170M Series High-Speed Square Body Semiconductor Fuse, Class aR
The Bussmann 170M Series is an Eaton series high-speed square body fuse engineered for semiconductor protection in demanding industrial power applications, available in 1250A and 1400A ratings to match your circuit's current requirements. Built to DIN 43 620 dimensional standards with a Class aR utilization category and a 100 kAIC interrupting capacity, this fuse delivers coordinated protection for power semiconductor devices at up to 1100V AC. The square body design features centre-bolted, slotted tags for a secure, low-resistance connection, plus a top-mounted fuse status indicator for quick visual confirmation of fuse condition.
Key Features
- Amperage Rating: Available in 1250A and 1400A options for high-current semiconductor circuit protection.
- Interrupting Rating: 100 kAIC for reliable fault clearing in high-fault-current systems.
- Utilization Category: Class aR (accompanied semiconductor protection) for coordinated protection of power semiconductors.
- Fuse Shape: Square body with centre-bolted, slotted tags per DIN 43 620 for secure mechanical and electrical connections.
- Status Indicator: Top-mounted fuse status indicator for fast visual verification of fuse condition.
- Voltage Rating: 1100V AC for use in industrial power circuits.
Certifications & Compliance
- UL Recognized
- CE Marked
Technical Specifications
- Insulated Metal Gripping Lugs (IMGL): No
- Voltage Type: AC
- Fuse Shape: Square body, slotted center bolted tags
- Compliances: CE Marked
Typical Applications
- Semiconductor Protection in Power Electronics
- Accompanied Protection for Power Semiconductor Devices
- High-Speed Fault Current Interruption
- Industrial Power Conversion and Drive Systems
Why Bussmann?
Bussmann fuses from Eaton are engineered to demanding DIN 43 620 dimensional standards and carry UL Recognized and CE Marked compliance, delivering consistent high-speed interruption for the protection of sensitive power semiconductors. The 170M Series square body construction, centre-bolted slotted tags, and top fuse status indicator reflect a design built for secure connections and easy field verification. For electrical professionals specifying semiconductor protection with proven 100 kAIC interrupting performance across the 1250A-1400A range, Bussmann is a trusted choice.
Manufacturer Resources
Product Specs
- Product Length Depth:
- 168 mm
- Fuse Indicator:
- Top fuse status indicator
- Product Group:
- Fuses
- Class:
- Class aR
- Fuse Shape:
- Square body, slotted center bolted tags
- Voltage Rating:
- 1100V AC
- Interrupt Rating:
- 100 kAIC
- Product Details:
- Fuse
- Packaging Type:
- Standard
- Compliances:
- CE Marked
- Mounting Method:
- DIN 43 620
- Insulated Metal Gripping Lugs Imgl:
- No
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Application:
- semiconductor protection
- Product Height:
- 76 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Product Width:
- 95 mm
- Voltage Type:
- AC
- Department:
- Electrical
- Amperage Rating:
- 1250A-1400A
- Listing:
- UL Recognized
- Standards:
- DIN 43620
- Series:
- 170M