| Hotenda | H572918 | 5.22 | 1 | 50 | | Eaton (formerly Cooper Bussmann) | | 5.22 @ 50 |
| Onlinecomponents.com | BK/GBB-12-R | 7.95 | 1 | 903 | | BUSSMANN / EATON | | 7.95 @ 50 |
| Radwell | GBB-12-R | 8.54 | 5 | 50 | | BUSSMANN | | 8.54 @ 50 |
| Dale-Electric | GBB-12-R | 9.0 | 1 | 50 | | Cooper Bussmann | | 9.0 @ 50 |
  | AI Consolidated | GBB-12-R-BUSSMANN | 9.05 | 1 | 50 | | Bussmann Eaton Cooper Fuses | 0.01 | 9.05 @ 50 |
| Waldom | Eaton Electronics BK/GBB-12-R | 9.3 | 100 | 709 | | Eaton Electronics | | 9.3 @ 100 |
| Crescent Electric Supply Co | 586123 | 9.35 | 1 | 50 | | Bussmann | | 9.35 @ 50 |
  | Walker Industrial | GBB-12-R | 11.74 | 5 | 50 | 17 | Cooper Bussmann | | 11.74 @ 50 |
| Newark | 26P3279 | 12.25 | 100 | 709 | | EATON BUSSMANN | | 12.25 @ 100 |
  | Galco | BK/GBB-12-R-BUSS | 12.71 | 100 | 50 | | Bussmann | | 12.71 @ 100 |
  | turtle.com | BUS BK/GBB-12-R | 13.71 | 1 | 50 | | Eaton | | 13.71 @ 50 |
| steinerelectric.com | 746591 | 15.89 | 1 | 50 | | BUSSMANN | | 15.89 @ 50 |
| Graybar | 25088645 | 16.7776 | 5 | 50 | | Bussmann (Eaton) | | 16.7776 @ 50 |
  | crescentelectric.com | 164381 | 18.93 | 1 | 50 | | Eaton Bussmann series | | 18.93 @ 50 |
  | swatee.com | BK/GBB-12-R | 20.33 | 1 | 50 | | Eaton | | 20.33 @ 50 |
  | Digi-Key | 1877397 | 23.002 | 5 | 50 | | Eaton - Electronics Division | | 23.002 @ 50 |
  | National Supply Network | 84680610 | 23.8298 | 5 | 50 | | Cooper Bussmann | | 23.8298 @ 50 |
  | Platt.com | 0953990 | 25.48 | 1 | 50 | | Eaton/Bussmann Series | | 25.48 @ 50 |
| us.rs-online.com | 71927928 | 42.25 | 100 | 50 | | Eaton Electronics | | 42.25 @ 100 |
| Grainger | 1CC12 | 52.5 | 1 | 74 | 0 | EATON BUSSMANN | | 52.5 @ 50 |
  | simsupply.com | ZO-G1819797 | 60.65 | 1 | 50 | | Eaton Bussmann | | 60.65 @ 50 |
  | Zoro | G705879700 | 65.25 | 1 | 50 | | Eaton Bussmann | | 65.25 @ 50 |
  | sustainablesupply.com | C1164478 | 72.83 | 1 | 50 | | Eaton | 0.04 | 72.83 @ 50 |
  | Raptor Supplies | AA9BVH | 148.674591 | 1 | 50 | | BUSSMANN | | 148.674591 @ 50 |
  | ebay.com_crimpsupply | GBB-12-R | 210.29 | 1 | 50 | | BUSSMANN | | 210.29 @ 50 |
| AmazonTP | B00LQPG6MO | 352.04 | 1 | 50 | 20 | COOPER BUSSMANN | | 352.04 @ 50 |