  | Digi-Key | BK1/S500-800-R-ND | 0.45675 | 1000 | 50 | | Eaton - Electronics Division | | 0.45675 @ 1000 |
| us.rs-online.com | 74057079 | 0.47 | 1000 | 50 | | Eaton Electronics | | 0.47 @ 1000 |
| RS Delivers | 537-1228 | 0.4764 | 1 | 3340 | | Eaton | | 0.4764 @ 50 |
| Waldom | Eaton Electronics BK1/S500-800-R | 0.48 | 250 | 400 | | Eaton Electronics | | 0.48 @ 112 |
| Newark | 83R2942 | 0.533 | 1000 | 50 | | EATON BUSSMANN | | 0.533 @ 1000 |
| Future Electronics | 1813591 | 0.77196 | 1000 | 50 | | Eaton | | 0.77196 @ 1000 |
| Onlinecomponents.com | S500-800-R | 1.43 | 1 | 1008 | | BUSSMANN / EATON | | 1.43 @ 50 |
  | Walker Industrial | S500-800-R | 1.48 | 5 | 50 | 10 | Cooper Bussmann | | 1.48 @ 50 |
| Radwell | S500-800-R | 1.54 | 5 | 50 | | BUSSMANN | | 1.54 @ 50 |
  | AI Consolidated | S500-800-R-BUSSMANN | 1.61 | 1 | 50 | | Bussmann Eaton Cooper Fuses | 0.0126 | 1.61 @ 50 |
| Dale-Electric | S500-800-R | 1.62 | 1 | 50 | | Cooper Bussmann | | 1.62 @ 50 |
| crescentelectric.com | 149393 | 3.41 | 1 | 50 | | Eaton Bussmann series | | 3.41 @ 50 |
  | Platt.com | 0966653 | 3.54 | 1 | 50 | | Eaton/Bussmann Series | | 3.54 @ 50 |
  | Zoro | G3434462 | 9.5 | 1 | 66 | | Eaton Bussmann | 0.02 | 9.5 @ 50 |
  | sustainablesupply.com | C1177071 | 15.03 | 1 | 50 | | Eaton | 0.02 | 15.03 @ 50 |
  | simsupply.com | ZO-G3434462 | 17.22 | 1 | 50 | | Eaton Bussmann | | 17.22 @ 50 |
| AmazonSC | B003ATR1NM | 18.55 | 1 | 50 | | Cooper Bussmann | | 18.55 @ 50 |
  | Raptor Supplies | AB8XFQ | 28.134873 | 1 | 50 | | BUSSMANN | | 28.134873 @ 50 |