| iodParts | BK/GMD-300-R | 0.741 | 500 | 600 | | Eaton | | 0.741 @ 500 |
| Hotenda | H575158 | 1.032 | 1 | 10 | | Eaton (formerly Cooper Bussmann) | | 1.032 @ 10 |
| Onlinecomponents.com | GMD-300-R | 2.75 | 1 | 417 | | BUSSMANN / EATON | | 2.75 @ 10 |
 | Radwell | GMD-300-R | 2.78 | 5 | 20 | | BUSSMANN | | 2.78 @ 10 |
| Arrow | BK/GMD-300-R | 3.187 | 1 | 150 | | Cooper Bussmann | | 3.187 @ 10 |
 | AI Consolidated | GMD-300-R-BUSSMANN | 3.2 | 1 | 10 | | Bussmann Eaton Cooper Fuses | 0.0239 | 3.2 @ 10 |
| Dale-Electric | GMD-300-R | 3.21 | 1 | 10 | | Cooper Bussmann | | 3.21 @ 10 |
| Waldom | EATON GMD-300-R | 3.52 | 1 | 10 | | Eaton | | 3.52 @ 10 |
 | Galco | BK/GMD-300-R-BUSS | 4.42 | 100 | 10 | | Bussmann | | 4.42 @ 100 |
| us.rs-online.com | 74057053 | 4.89 | 5 | 10 | | Eaton Electronics | | 4.89 @ 10 |
| TTI | GMD-300-R | 5.14 | 10 | 25 | | Cooper Bussmann | | 5.14 @ 10 |
 | Platt.com | 0964741 | 6.04 | 1 | 10 | | Eaton/Bussmann Series | | 6.04 @ 10 |
 | Newark | 48K9637 | 6.18 | 100 | 10 | | EATON BUSSMANN | | 6.18 @ 100 |
 | Digi-Key | GMD-300-R-ND | 6.356 | 5 | 10 | | Eaton - Electronics Division | | 6.356 @ 10 |
| Mouser | 504-GMD-300-R | 6.67 | 1 | 34 | | Cooper Bussmann | | 6.67 @ 10 |
 | crescentelectric.com | 1146854 | 6.75 | 1 | 10 | | Eaton Bussmann series | | 6.75 @ 10 |
 | National Supply Network | 71924617 | 10.419 | 5 | 10 | | Cooper Bussmann | | 10.419 @ 10 |
 | Zoro | G2480676 | 22.75 | 1 | 16 | | Eaton Bussmann | 0.03 | 22.75 @ 10 |
 | sustainablesupply.com | C1164591 | 28.71 | 1 | 10 | | Eaton | 0.03 | 28.71 @ 10 |
 | simsupply.com | ZO-G2480676 | 32.9 | 1 | 10 | | Eaton Bussmann | | 32.9 @ 10 |
| AmazonSC | B003AU7PUU | 35.82 | 1 | 10 | | Cooper Bussmann | | 35.82 @ 10 |
 | Raptor Supplies | AA9CXC | 54.5155065 | 1 | 10 | | BUSSMANN | | 54.5155065 @ 10 |
 | turtle.com | BUS BK/GMD-300-R | 473.58 | 1 | 10 | | Eaton | | 473.58 @ 10 |
