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Bussmann 170M-863 High-Speed Square Body Class aR Fuse, 700A-800A, 1000V AC
The Bussmann 170M-863 is a high-speed square body fuse engineered for semiconductor protection in industrial power circuits, available in 700A and 800A ratings at 1000V AC. Rated Class aR for accompanied semiconductor protection, this fuse delivers a 125 kAIC interrupting rating to safeguard semiconductor devices from short-circuit and overcurrent conditions. The square body follows DIN 43 620 mounting dimensions and includes a top fuse status indicator so crews can verify fuse condition at a glance. IEC rated and CE marked, it suits power electronics, drive systems, and converter applications requiring accompanied semiconductor protection.
Key Features
- Amp Rating Range: Available in 700A and 800A ratings to match a range of semiconductor protection requirements.
- Voltage Rating: 1000V AC supports high-voltage industrial power distribution systems.
- Interrupting Rating: 125 kAIC delivers reliable fault clearing in high fault-current industrial power systems.
- Utilization Category: Class aR (accompanied semiconductor protection) matches this fuse to semiconductor applications.
- Fuse Shape: Square body with slotted center bolted tags conforming to DIN 43 620 mounting dimensions.
- Status Indicator: Top fuse status indicator allows quick visual confirmation of fuse condition.
- Compact Footprint: 168 mm length/depth x 95 mm width x 76 mm height square body dimensions.
- Voltage Type: Rated for AC voltage systems.
Certifications & Compliance
- IEC Rated
- CE Marked
Technical Specifications
- Application: Semiconductor Protection
- Utilization Category: aR (Accompanied Semiconductor Protection)
- Voltage Type: AC
- Voltage Rating: 1000V
- Interrupting Rating: 125 kAIC
- Fuse Shape: Square Body, Slotted Center Bolted Tags
- Product Height: 76 mm
- Product Length/Depth: 168 mm
- Product Width: 95 mm
- Product Weight: 1275 g
- Packaging Type: Standard
- Insulated Metal Gripping Lugs (IMGL): No
Typical Applications
- Semiconductor Device Protection
- Power Electronics and Motor Drive Systems
- Industrial Rectifier and Converter Circuits
- High-Speed Overcurrent Protection in AC Power Distribution
- Panelboard and Switchgear Installations Requiring Class aR Fuses
Why Bussmann?
Bussmann fuses are built for the demanding protection needs of industrial power electronics, and the 170M-863 series combines a 125 kAIC interrupting rating with Class aR semiconductor protection across 700A and 800A ratings at 1000V AC in an IEC rated, CE marked square body package. The top fuse status indicator and DIN 43 620 compliant construction make this fuse a dependable, code-compliant choice for protecting sensitive semiconductor equipment in industrial electrical systems.
Manufacturer Resources
Product Specs
- Product Details:
- Fuse
- Application:
- semiconductor protection
- Utilization Category:
- aR (accompanied semiconductor protection)
- Product Type:
- Fuse
- Product Height:
- 76 mm
- Certifications:
- IEC Rated
- Interrupt Rating:
- 125 kAIC
- Product Length Depth:
- 168 mm
- Product Group:
- Fuses
- Voltage Type:
- AC
- Voltage Rating:
- 1000V
- Product Subgroup:
- Other Fuses
- Insulated Metal Gripping Lugs Imgl:
- No
- Class:
- Class aR
- Product Weight:
- 1275 g
- Packaging Type:
- Standard
- Fuse Indicator:
- Top fuse status indicator
- Fuse Shape:
- Square body, slotted center bolted tags
- Mounting Method:
- DIN 43 620
- Compliances:
- CE Marked
- Department:
- Electrical
- Product Width:
- 95 mm
- Configuration:
- Class aR
- Listing:
- CE Marked
- Standards:
- IEC Rated