| Onlinecomponents.com | BK/MDA-1-1/4-R | 1.07 | 1 | 25 | | Bussmann / Eaton | | 1.02 @ 26 |
 | Walker Industrial | MDA-1-1-4-R | 1.94 | 5 | 25 | 17 | Cooper Bussmann | | 1.94 @ 25 |
| Waldom | EATON BK/MDA-1-1/4-R | 2.45 | 1 | 25 | | Eaton | | 2.45 @ 25 |
 | AI Consolidated | MDA-1-1-4-R-BUSSMANN | 2.47 | 1 | 25 | | Bussmann Eaton Cooper Fuses | 0.0194 | 2.47 @ 25 |
| Dale-Electric | MDA-1-1/4-R | 2.48 | 1 | 25 | | Cooper Bussmann | | 2.48 @ 25 |
 | Galco | BK/MDA-1-1/4-R-BUSS | 3.35 | 100 | 25 | | Bussmann | | 3.35 @ 100 |
| TTI | MDA-1-1/4-R | 3.95 | 10 | 25 | | Cooper Bussmann | | 3.95 @ 25 |
| Hotenda | H575949 | 4.212 | 1 | 25 | | Eaton (formerly Cooper Bussmann) | | 4.212 @ 25 |
 | Newark | 48K9681 | 4.44 | 100 | 25 | | EATON BUSSMANN | | 4.44 @ 100 |
 | Digi-Key | 283-3390-ND | 4.536 | 1 | 25 | | Eaton - Electronics Division | | 4.536 @ 25 |
| steinerelectric.com | 1040617 | 4.78 | 1 | 25 | | BUSSMANN | | 4.78 @ 25 |
| Mouser | 504-MDA-1-1-4-R | 5.13 | 1 | 95 | | Cooper Bussmann | | 5.13 @ 25 |
| crescentelectric.com | 53407 | 5.22 | 1 | 25 | | Eaton Bussmann series | | 5.22 @ 25 |
| Radwell | BKMDA114R | 5.86 | 100 | 25 | | BUSSMANN | | 5.86 @ 100 |
 | Platt.com | 0956492 | 6.71 | 1 | 25 | | Eaton/Bussmann Series | | 6.71 @ 25 |
| Graybar | 25088522 | 8.0416 | 5 | 25 | | Bussmann (Eaton) | | 8.0416 @ 25 |
| us.rs-online.com | 71929243 | 11.24 | 100 | 25 | | Eaton Electronics | | 11.24 @ 100 |
 | National Supply Network | 71918445 | 14.4896 | 5 | 25 | | Cooper Bussmann | | 14.4896 @ 25 |
 | Zoro | G1961793 | 19.59 | 1 | 25 | | Eaton Bussmann | 0.02 | 19.59 @ 25 |
 | sustainablesupply.com | C1164651 | 34.77 | 1 | 25 | | Eaton | 0.02 | 34.77 @ 25 |
 | Raptor Supplies | AA9DGQ | 50.236056 | 1 | 25 | | BUSSMANN | | 50.236056 @ 25 |
| AmazonTP | B07S2CH772 | 70.9 | 1 | 25 | 1 | Bussmann / Eaton | | 70.9 @ 25 |
 | turtle.com | BUS BK/MDA-1-1/4-R | 377.07 | 1 | 25 | | Eaton | | 377.07 @ 25 |
