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Bussmann 170M3197 Class aR High Speed Fuse, 350A/700V
The Bussmann 170M3197 is a Class aR high speed fuse engineered for demanding DC and power conversion circuits, combining a 350A RMS current rating with a 700 Vac (UL) / 690 Vac (IEC) voltage rating in a compact square body design. Built for Din 43 620 blade style mounting, this fuse delivers a 100 kAIC interrupt rating for reliable protection in DC common bus systems, DC drives, power converters/rectifiers, and reduced voltage starters. With RoHS compliance, CE marking, UL Recognition, and an IEC rating, the 170M3197 is suited for professional industrial power protection applications.
Key Features
- Amperage Rating: 350A RMS current rating for dependable overcurrent protection in high-power DC and rectifier circuits.
- Voltage Rating: Rated 700 Vac (UL) and 690 Vac (IEC) for use across both North American and international power systems.
- Class aR High Speed Design: Fast-clearing Class aR construction suited to power converter, rectifier, and DC drive protection.
- Interrupt Rating: 100 kAIC interrupt capacity supports safe operation under high fault-current conditions.
- Square Body Construction: Din 43 620 blade style mounting for compatibility with standard high-speed fuse holders and disconnects.
- Fuse Indicator: Non Indicating design.
- I2t Characteristics: Pre-arc I2t of 27000 and clearing I2t of 165000 at 1000V / 220000 at 1250V for precise DC protection coordination.
- Watt Losses: 65W.
Certifications & Compliance
- RoHS Compliant
- CE Marked
- UL Recognized
- IEC Rated
Technical Specifications
- Amperage Rating: 350A
- Application: DC common bus, DC drives, power converters/rectifiers, reduced voltage starters
- Class: Class aR
- Clearing I2t: Clearing at 1000V: 165000, Clearing at 1250V: 220000
- Current Rating: 350A RMS
- Fuse Indicator: Non Indicating
- Interrupt Rating: 100 kAIC
- Packaging Type: Standard
- Pre Arc I2t: 27000
- Voltage Rating: 700 Vac (UL), 690 Vac (IEC)
- Watt Losses: 65W
- Product Type: Square body, -TN/110 type T indicator for micro
- Product Length: 5.433 IN
- Product Details: Square body, -TN/110 type T indicator for micro
- Mounting Method: Din 43 620 blade style
- Product Height: 2.087 IN
- Product Weight: 1.6456 LB
- Product Width: .315 IN
Typical Applications
- DC Common Bus Systems
- DC Drive Protection
- Power Converters and Rectifiers
- Reduced Voltage Starters
Why Bussmann 170M3197?
The Bussmann 170M3197 pairs Class aR high speed fuse performance with RoHS compliance, CE marking, UL Recognition, and an IEC rating for dependable, code-compliant protection in industrial power systems. Its square body, Din 43 620 blade style mounting, and 100 kAIC interrupt rating make it a solid choice for engineers specifying reliable overcurrent protection for DC drives, power converters, and rectifier circuits.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 350A
- Class:
- Class aR
- Clearing I2t:
- Clearing at 1000V: 165000 , Clearing at 1250V: 220000
- Current Rating:
- 350A RMS
- Fuse Indicator:
- Non Indicating
- Interrupt Rating:
- 100 kAIC
- Packaging Type:
- Standard
- Pre Arc I2t:
- 27000
- Voltage Rating:
- 700 Vac (UL), 690 Vac (IEC)
- Watt Losses:
- 65W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Length:
- 5.433 IN
- Product Details:
- Square body, -TN/110 type T indicator for micro
- Mounting Method:
- Din 43 620 blade style
- Product Height:
- 2.087 IN
- Product Weight:
- 1.6456 LB
- Product Width:
- .315 IN