Bussmann 170M3511 Class aR Square Body High Speed Fuse, 80A
The Bussmann 170M3511 is a Class aR square body high speed fuse rated 80A RMS, built to protect DC common bus, DC drives, and power converter/rectifier circuits. It carries a Voltage Rating of 1300 Vac (UL) / 1250 Vac (IEC) and a 200 kAIC Interrupt Rating, giving it the fault-current handling needed for demanding industrial DC power systems. The fuse is UL Recognized and IEC Rated, so it is engineered to meet both North American and international protection standards for semiconductor and drive circuits.
Key Features
- Amperage Rating: 80A RMS (Current Rating 80A RMS) sized for DC common bus, DC drives, and power converter/rectifier applications.
- Class aR Construction: High speed Class aR fuse element designed for semiconductor-grade DC circuit protection.
- Voltage Rating: 1300 Vac (UL), 1250 Vac (IEC) supports use across both UL and IEC rated systems.
- Interrupt Rating: 200 kAIC for reliable clearing under high fault-current conditions.
- I2t Coordination: Pre-Arc I2t of 185 and Clearing I2t at 660V of 1250 for precise protection coordination with upstream and downstream devices.
- Fuse Indicator: Non Indicating square body -G/- style construction.
- Mounting Method: Flush mounting for panel and enclosure installations.
- Watt Losses: 18W.
Certifications & Compliance
- UL Recognized
- IEC Rated
- CE Marked
- RoHS Compliant
Technical Specifications
- Amperage Rating: 80A
- Application: DC common bus, DC drives, power converters/rectifiers
- Class: Class aR
- Clearing I2t: Clearing at 660V: 1250
- Current Rating: 80A RMS
- Fuse Indicator: Non Indicating
- Interrupt Rating: 200 kAIC
- Packaging Type: Standard
- Pre Arc I2t: 185
- Voltage Rating: 1300 Vac (UL), 1250 Vac (IEC)
- Watt Losses: 18W
- Product Type: Square body -G/- visual indicator
- Product Details: Square body -G/- visual indicator
- Mounting Method: Flush
- Product Length: 5.433 IN
- Product Height: 2.087 IN
- Product Weight: 1.6456 LB
- Product Width: .315 IN
Typical Applications
- DC Common Bus Protection
- DC Drive Circuit Protection
- Power Converter and Rectifier Protection
- Industrial DC Power Distribution Systems
- Semiconductor and High Fault-Current Circuit Protection
Why Bussmann?
Bussmann engineers the 170M3511 as a Class aR high speed fuse with a 200 kAIC interrupt rating, 1300 Vac (UL) / 1250 Vac (IEC) voltage rating, and coordinated Pre-Arc and Clearing I2t values, giving specifiers the data needed to protect sensitive DC drives, converters, and rectifiers. Backed by UL Recognized and IEC Rated status plus CE marking and RoHS compliance, this fuse delivers dependable, code-aligned protection for demanding industrial power electronics.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 80A
- Application:
- DC common bus, DC drives, power converters/rectifiers
- Class:
- Class aR
- Clearing I2t:
- Clearing at 660V: 1250
- Current Rating:
- 80A RMS
- Fuse Indicator:
- Non Indicating
- Interrupt Rating:
- 200 kAIC
- Packaging Type:
- Standard
- Pre Arc I2t:
- 185
- Voltage Rating:
- 1300 Vac (UL), 1250 Vac (IEC)
- Watt Losses:
- 18W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Square Body Fuses
- Product Type:
- Square body -G/- visual indicator
- Product Length:
- 5.433 IN
- Product Details:
- Square body -G/- visual indicator
- Mounting Method:
- Flush
- Product Height:
- 2.087 IN
- Product Weight:
- 1.6456 LB
- Product Width:
- .315 IN