Fast-Acting 420 VAC 5 mm Ceramic Fuses - S520 Series
Eaton's ceramic fuses are capable of withstanding a wide operating temperature range making them suitable for use in a wide range of environments
Eaton Bussmann's series S520 ceramic tube, 5 mm x 20 mm fast-acting fuses provide reliable overcurrent protection up to 20 A and 420 VAC for high-power and higher-voltage applications respectively. The fuses are rated at 250 VAC with interrupting ratings up to 1500 A. These fuses are capable of withstanding operating temperatures ranging from -55°C to +125°C, making them suitable for use in a wide range of environments like data centers, telecom systems, industrial automation and intelligent commercial buildings.
Resources
- Use Case – Overcurrent Coordination in Data centers
- 5mm Fuse Product Aid
- Fuse Holder Related Product – HTC Series
- 5 mm x 20 mm physical size
- Fast-acting ceramic tube
- 420 VAC rating
- Nickel/silver-plated brass end construction
- Available in cartridge and axial lead
- Power supplies
- Power adapters
- Industrial control/automation
- Tablet and notebook chargers
- Commercial printers
- TVs / video displays
- Game systems
- Set-top boxes
- HVAC equipment
- Lighting ballasts
- Programmable logic controllers
- Datacenter power supplies
- Secondary transformer protection
S520 Series Axial Leaded Fuses
| Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|
![]() | ![]() | BK/S520-V-10-R | FUSE CERAMIC 10A 420VAC 5X20MM | 42 - Immediate | $5.57 | View Details |
![]() | ![]() | BK/S520-V-12-5-R | FUSE CERAMIC 12.5A 420VAC 5X20MM | 0 - Immediate | $6.61 | View Details |
![]() | ![]() | BK/S520-V-15-R | FUSE CERAMIC 15A 420VAC 5X20MM | 0 - Immediate 750 - Marketplace | $6.32 | View Details |
![]() | ![]() | BK/S520-V-16-R | FUSE CERAMIC 16A 420VAC 5X20MM | 39 - Immediate | $3.70 | View Details |
![]() | ![]() | BK/S520-V-20-R | FUSE CERAMIC 20A 420VAC 5X20MM | 9 - Immediate | $5.63 | View Details |
![]() | ![]() | BK/S520-V-8-R | FUSE CERAMIC 8A 420VAC 5X20MM | 0 - Immediate | $6.32 | View Details |
S520 Series Cartridge Fuses
| Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|
![]() | ![]() | BK/S520-10-R | FUSE CERAMIC 10A 420VAC 5X20MM | 114 - Immediate | $5.72 | View Details |
![]() | ![]() | BK/S520-12-5-R | FUSE CERAMIC 12.5A 420VAC 5X20MM | 0 - Immediate 400 - Marketplace | $6.50 | View Details |
![]() | ![]() | BK/S520-15-R | FUSE CERAMIC 15A 420VAC 5X20MM | 96 - Immediate | $5.73 | View Details |
![]() | ![]() | BK/S520-16-R | FUSE CERAMIC 16A 420VAC 5X20MM | 61 - Immediate | $4.44 | View Details |
![]() | ![]() | BK/S520-20-R | FUSE CERAMIC 20A 420VAC 5X20MM | 51 - Immediate | $5.75 | View Details |
![]() | ![]() | BK/S520-8-R | FUSE CERAMIC 8A 420VAC 5X20MM | 48 - Immediate | $4.61 | View Details |






