| Waldom | EATON BK1/GMA-315-R | 0.41 | 1 | 10 | | Eaton | | 0.41 @ 10 |
| us.rs-online.com | 74056406 | 0.54 | 1000 | 10 | | Eaton Electronics | | 0.54 @ 1000 |
| Newark | 83R2788 | 0.65 | 1000 | 10 | | EATON BUSSMANN | | 0.65 @ 1000 |
| Hotenda | H574563 | 0.725 | 1 | 10 | | Eaton (formerly Cooper Bussmann) | | 0.725 @ 10 |
  | Walker Industrial | GMA-315-R | 1.09 | 5 | 10 | 17 | Cooper Bussmann | | 1.09 @ 10 |
  | AI Consolidated | GMA-315-R-BUSSMANN | 1.18 | 1 | 10 | | Bussmann Eaton Cooper Fuses | 0.01 | 1.18 @ 10 |
| Dale-Electric | GMA-315-R | 1.19 | 1 | 10 | | Cooper Bussmann | | 1.19 @ 10 |
| Onlinecomponents.com | BK/GMA-315-R | 1.26 | 20 | 425 | | Cooper Bussmann | | 1.26 @ 20 |
| specialtycontrolsystems.com | GMA-315-R | 1.71 | 1 | 30 | | BUSSMAN | | 1.71 @ 10 |
  | Galco | BK/GMA-315-R-BUSS | 1.8 | 100 | 10 | | Bussmann | | 1.8 @ 100 |
  | Platt.com | 0964681 | 2.24 | 1 | 10 | | Eaton/Bussmann Series | | 2.24 @ 10 |
  | crescentelectric.com | 1274717 | 2.5 | 1 | 10 | | Eaton Bussmann series | | 2.5 @ 10 |
| Mouser | 504-BK/GMA-315-R | 2.53 | 1 | 97 | | Cooper Bussmann | | 2.53 @ 10 |
  | superbreakers.com | GMA-315-R | 2.59 | 1 | 10 | | Eaton Bussmann | | 2.59 @ 10 |
| Superbreakers | GMA-315 | 2.59 | 1 | 10 | | EATON BUSSMANN | | 2.59 @ 10 |
  | Allfuses | GMA-315-R | 2.59 | 1 | 43 | | Bussmann | | 2.59 @ 10 |
| Radwell | GMA-315-R | 2.94 | 1 | 10 | | BUSSMANN | | 2.94 @ 10 |
  | Digi-Key | 1877458 | 3.632 | 5 | 10 | | Eaton - Electronics Division | | 3.632 @ 10 |
| AmazonSC | B007I9UG8W | 5.99 | 1 | 10 | | Eaton Bussmann | | 5.99 @ 10 |
  | Zoro | G1389351 | 6.4 | 1 | 159 | | Eaton Bussmann | 0.1 | 6.4 @ 10 |
| AmazonTP | B011NAB0JA | 6.81 | 1 | 10 | 1 | BUSSMANN BY EATON | | 6.81 @ 10 |
  | simsupply.com | ZO-G1389351 | 13.55 | 1 | 97 | | Eaton Bussmann | | 13.55 @ 10 |
  | Raptor Supplies | AD7ACP | 20.4586785 | 1 | 10 | | BUSSMANN | | 20.4586785 @ 10 |
  | turtle.com | BUS BK/GMA-315-R | 175.52 | 1 | 10 | | Eaton | | 175.52 @ 10 |
| Graybar | 25088281 | 221.6032 | 5 | 10 | | Bussmann (Eaton) | | 221.6032 @ 10 |