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Bussmann 170M3016 High Speed Square Body Fuse, 250A Class aR
The Bussmann 170M3016 is an Eaton Bussmann series high speed square body fuse engineered for demanding power electronics and semiconductor protection applications. Rated 700V (UL) and 690V (IEC) AC with a 250A amperage rating and 200 kAIC interrupt rating, this Class aR fuse delivers accompanied semiconductor protection with blade end x blade end terminals and a DIN 43620 square body footprint. A top fuse status indicator gives a quick visual check of fuse condition, while the slotted center bolted tag design supports secure, low-resistance connections in three-phase drive, converter, and rectifier circuits.
Key Features
- Fuse Dimensions: 305 mm length/depth x 145 mm width x 65 mm height square body footprint per DIN 43620.
- Durable Construction: Square body fuse shape with slotted center bolted tags and blade end x blade end terminals for secure mounting.
- High Speed Class aR: Utilization category aR (accompanied semiconductor protection) for fast-clearing protection of power semiconductors.
- Voltage & Amperage Rating: 700V (UL) / 690V (IEC) AC voltage rating at 250A with a 200 kAIC interrupt rating.
- Status Indicator: Top fuse status indicator provides a visual cue when the fuse has opened.
- Let-Through Characteristics: Pre-arc I2t of 4200 and clearing I2t of 28500 at 660V, with a clearing loss of 40.
- Weight: Approximately 307.8 g per fuse.
Certifications & Compliance
- UL Recognized
- CE Marked
Technical Specifications
- Amperage Rating: 250 A
- Application: semiconductor protection
- Certifications: UL Recognized
- Clearing I2t: 28500 at 660 V
- Clearing Loss: 40
- Compliances: CE Marked
- Fuse Shape: Square body, slotted center bolted tags
- Insulated Metal Gripping Lugs (IMGL): No
- Packaging Type: Standard
- Pre Arc I2t: 4200
- Product Height: 65 mm
- Product Length Depth: 305 mm
- Product Weight: 307.8333333 g
- Product Width: 145 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 690 V
- Voltage Type: AC
Typical Applications
- Semiconductor Protection in Power Electronics
- Motor Drives and Variable Frequency Drives
- Rectifier and Converter Circuits
- Industrial Control Panels and Switchgear
- High-Speed Fault Current Protection
Why Bussmann?
Bussmann by Eaton is a recognized name in circuit protection, and the 170M3016 reflects that standard with UL Recognized, CE Marked construction built to DIN 43620 dimensions. Its Class aR utilization category and high 200 kAIC interrupt rating make it a dependable choice for protecting semiconductors in demanding industrial power electronics, where fast, accurate clearing of fault current is essential to equipment reliability.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 250 A
- Application:
- semiconductor protection
- Certifications:
- UL Recognized
- Class:
- Class aR
- Clearing I2t:
- 28500 at 660 V
- Clearing Loss:
- 40
- Compliances:
- CE Marked
- Connection:
- Blade end x blade end
- Fuse Indicator:
- Top fuse status indicator
- Fuse Shape:
- Square body, slotted center bolted tags
- Insulated Metal Gripping Lugs Imgl:
- No
- Interrupt Rating:
- 200 kAIC
- Mounting Method:
- DIN 43 620
- Packaging Type:
- Standard
- Pre Arc I2t:
- 4200
- Product Height:
- 65 mm
- Product Length Depth:
- 305 mm
- Product Weight:
- 307.8333333 g
- Product Width:
- 145 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