| RS Delivers | 537-1565 | 0.954 | 1 | 380 | | Eaton | | 0.954 @ 1 |
| specialtycontrolsystems.com | S501-630-R | 1.3 | 1 | 10 | | BUSSMAN | | 1.3 @ 1 |
 | AI Consolidated | S501-630-R-BUSSMANN | 2.38 | 1 | 42 | | Bussmann Eaton Cooper Fuses | 0.0187 | 2.38 @ 1 |
| Waldom | EATON S501-630-R | 2.92 | 1 | 34 | | Eaton | | 2.92 @ 1 |
 | Galco | S501-630-R-BUSS | 3.62 | 5 | 27 | | Bussmann | | 3.62 @ 5 |
| us.rs-online.com | 70149441 | 4.32 | 5 | 27 | | Eaton Electronics | | 4.32 @ 5 |
 | Digi-Key | 954250 | 4.68 | 1 | 28 | | Eaton - Electronics Division | | 4.68 @ 1 |
| crescentelectric.com | 669665 | 5.04 | 1 | 27 | | Eaton Bussmann series | | 5.04 @ 1 |
 | Platt.com | 0957293 | 5.85 | 1 | 42 | | Eaton/Bussmann Series | | 5.85 @ 1 |
| Graybar | 25671946 | 6.1376 | 5 | In Stock | | Bussmann (Eaton) | | 6.1376 @ 5 |
| Newark | 83R5728 | 6.58 | 5 | In Stock | | EATON BUSSMANN | | 6.58 @ 1 |
 | turtle.com | BUS BK/S501-630-R | 359.11 | 1 | 42 | | Eaton | | 359.11 @ 1 |
