Bussmann 170M5112 Eaton Series High Speed Square Body Fuse, 630A, Class aR
The Bussmann 170M5112 is an Eaton Bussmann series high speed square body fuse engineered for semiconductor protection in demanding industrial power applications. Rated 1250V (IEC) / 1300V (UL) with a 630A amperage rating and a 200 kAIC interrupting rating, this Class aR fuse uses blade end X blade end terminals per the DIN 43 620 standard. Its accompanied semiconductor protection utilization category makes it well suited for high-speed clearing ahead of sensitive power electronics.
Key Features
- Amperage Rating: 630A for high-capacity circuit protection.
- Voltage Rating: 1250V (IEC), 1300V (UL), with a 690V AC voltage rating for the AC voltage type.
- Interrupting Rating: 200 kAIC for reliable high-speed clearing under fault conditions.
- Utilization Category: Class aR (accompanied semiconductor protection) for use alongside semiconductor devices.
- Fuse Shape: Square body with slotted center bolted tags and blade end X blade end terminals for secure connections.
- Mounting Standard: DIN 43 620 configuration for compatibility with standard fuse holders and disconnects.
- Clearing Characteristics: Clearing I2t of 275000 at 660V and pre-arc I2t of 41000 for predictable coordination.
- Compliance: IEC Rated and CE Marked for use in IEC-compliant electrical systems.
Certifications & Compliance
- IEC Rated
- CE Marked
Technical Specifications
- Amperage Rating: 630 A
- Application: semiconductor protection
- Certifications: IEC Rated
- Clearing I2t: 275000 at 660 V
- Clearing Loss: 90
- Compliances: CE Marked
- Fuse Shape: Square body, slotted center bolted tags
- Insulated Metal Gripping Lugs (IMGL): No
- Packaging Type: Standard
- Pre Arc I2t: 41000
- Product Height: 66 mm
- Product Length Depth: 286 mm
- Product Weight: 594 g
- Product Width: 165 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 690 V
- Voltage Type: AC
Typical Applications
- Semiconductor Device Protection
- Power Electronics and Rectifier Circuits
- High-Speed Circuit Protection in AC Power Systems
- Industrial and Commercial Power Distribution
Why Bussmann?
Bussmann by Eaton engineers the 170M5112 to deliver dependable, high-speed clearing for semiconductor protection, backed by IEC ratings and CE marking for compliant industrial installations. With a 200 kAIC interrupting rating and Class aR utilization category, this square body fuse supports code-compliant, reliable performance for professional electrical and power electronics applications.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 630 A
- Application:
- semiconductor protection
- Certifications:
- IEC Rated
- Class:
- Class aR
- Clearing I2t:
- 275000 at 660 V
- Clearing Loss:
- 90
- Compliances:
- CE Marked
- Connection:
- Blade end x blade end
- Fuse Indicator:
- Other
- 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:
- 41000
- Product Height:
- 66 mm
- Product Length Depth:
- 286 mm
- Product Weight:
- 594 g
- Product Width:
- 165 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