You may also like
Bussmann 170M3521 500A Class aR High-Speed Fuse
The Bussmann 170M3521 is a 500A Class aR high-speed fuse engineered for demanding DC power protection, including DC common bus systems, DC drives, and power converters/rectifiers. Rated 1300 Vac (UL) and 1250 Vac (IEC) with a 200 kAIC interrupt rating, this fuse delivers robust fault-current protection for industrial power electronics. It is IEC Rated and UL Recognized, and carries CE marking with RoHS compliance for global regulatory alignment.
Key Features
- Amperage Rating: 500A RMS current rating supports high-capacity DC circuit protection.
- Class aR Design: Class aR construction is engineered for semiconductor and DC drive protection applications.
- Voltage Rating: 1300 Vac (UL), 1250 Vac (IEC) supports demanding industrial power systems.
- Interrupt Rating: 200 kAIC interrupt rating provides high fault-current interrupting capacity.
- Fuse Indicator: Non Indicating design for straightforward, maintenance-free installation.
- Mounting Method: Flush mounting simplifies integration into DC power distribution equipment.
- Watt Losses: 70W watt loss rating supports efficient thermal performance.
- Application: Suited for DC common bus, DC drives, and power converters/rectifiers.
Certifications & Compliance
- IEC Rated
- UL Recognized
- CE Marked
- RoHS Compliant
Technical Specifications
- Amperage Rating: 500A
- Application: DC common bus, DC drives, power converters/rectifiers
- Class: Class aR
- Clearing I2t: Clearing at 660V: 180000
- Current Rating: 500A RMS
- Fuse Indicator: Non Indicating
- Interrupt Rating: 200 kAIC
- Packaging Type: Standard
- Pre Arc I2t: 27000
- Voltage Rating: 1300 Vac (UL), 1250 Vac (IEC)
- Watt Losses: 70W
- 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
Typical Applications
- DC Common Bus Systems
- DC Drive Protection
- Power Converter and Rectifier Circuits
- Industrial DC Power Distribution
- Semiconductor Fault-Current Protection
Why Bussmann?
Bussmann engineers high-speed fuses like the 500A Class aR design to deliver dependable protection for demanding DC power systems, backed by a 200 kAIC interrupt rating and dual UL/IEC voltage ratings. With IEC Rated and UL Recognized status plus CE marking and RoHS compliance, this fuse supports code-compliant, reliable performance for professional electrical and industrial power applications.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 500A
- Application:
- DC common bus, DC drives, power converters/rectifiers
- Class:
- Class aR
- Clearing I2t:
- Clearing at 660V: 180000
- Current Rating:
- 500A RMS
- Fuse Indicator:
- Non Indicating
- Interrupt Rating:
- 200 kAIC
- Packaging Type:
- Standard
- Pre Arc I2t:
- 27000
- Voltage Rating:
- 1300 Vac (UL), 1250 Vac (IEC)
- Watt Losses:
- 70W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- 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