| iodParts | BK/GMD-400-R | 0.741 | 500 | 700 | | Eaton | | 0.741 @ 500 |
| Hotenda | H572890 | 1.032 | 1 | 10 | | Eaton (formerly Cooper Bussmann) | | 1.032 @ 10 |
  | Digi-Key | 283-3344-ND | 1.166 | 1 | 10 | | Eaton - Electronics Division | | 1.166 @ 10 |
| Onlinecomponents.com | BK/GMD-400-R | 2.75 | 1 | 10 | | BUSSMANN / EATON | | 2.75 @ 10 |
  | Walker Industrial | GMD-400-R | 2.92 | 5 | 10 | 10 | Cooper Bussmann | | 2.92 @ 10 |
| Verical | BK/GMD-400-R | 3.09 | 13 | 2000 | | Cooper Bussmann | | 3.09 @ 13 |
  | Radwell | GMD-400-R | 3.16 | 5 | 10 | | BUSSMANN | | 3.16 @ 10 |
  | AI Consolidated | GMD-400-R-BUSSMANN | 3.2 | 1 | 10 | | Bussmann Eaton Cooper Fuses | 0.0239 | 3.2 @ 10 |
| Dale-Electric | GMD-400-R | 3.21 | 1 | 10 | | Cooper Bussmann | | 3.21 @ 10 |
| Waldom | EATON BK/GMD-400-R | 3.4 | 1 | 10 | | Eaton | | 3.4 @ 10 |
  | Galco | BK/GMD-400-R-BUSS | 4.42 | 100 | 10 | | Bussmann | | 4.42 @ 100 |
| TTI | GMD-400-R | 5.14 | 10 | 10 | | Cooper Bussmann | | 5.14 @ 10 |
  | Newark | 48K9640 | 6.18 | 100 | 10 | | EATON BUSSMANN | | 6.18 @ 100 |
| Mouser | 504-BK/GMD-400-R | 6.51 | 1 | 476 | | Cooper Bussmann | | 6.51 @ 10 |
  | crescentelectric.com | 296658 | 6.75 | 1 | 10 | | Eaton Bussmann series | | 6.75 @ 10 |
| Graybar | 25142377 | 7.672 | 5 | 10 | | Bussmann (Eaton) | | 7.672 @ 10 |
  | Platt.com | 0955031 | 8.86 | 1 | 10 | | Eaton/Bussmann Series | | 8.86 @ 10 |
  | National Supply Network | 71924633 | 11.319 | 5 | 10 | | Cooper Bussmann | | 11.319 @ 10 |
  | Zoro | G3024323 | 21.09 | 1 | 14 | | Eaton Bussmann | 0.1 | 21.09 @ 10 |
| standardelectricsupply.com | 2306528 | 23.95 | 1 | 10 | | Bussmann | | 23.95 @ 10 |
| us.rs-online.com | 70430937 | 27.59 | 100 | 10 | | Eaton Electronics | | 27.59 @ 100 |
  | sustainablesupply.com | C1198976 | 29.91 | 1 | 10 | | Eaton | 0.1 | 29.91 @ 10 |
  | simsupply.com | ZO-G3024323 | 30.93 | 1 | 10 | | Eaton Bussmann | | 30.93 @ 10 |
  | Raptor Supplies | AD7ACX | 51.1187625 | 1 | 10 | | BUSSMANN | | 51.1187625 @ 10 |
  | turtle.com | BUS BK/GMD-400-R | 473.58 | 1 | 10 | | Eaton | | 473.58 @ 10 |