| simplybreakers.com | KTK-R-3 | 10.27 | 1 | In Stock | | Bussmann | | 10.27 @ 1 |
| AmazonTP | B00DED9YQQ | 10.3 | 1 | In Stock | 2 | COOPER BUSSMANN | | 10.3 @ 1 |
  | Allfuses | KTK-R-3 | 10.79 | 1 | 600 | | Bussmann | | 10.79 @ 1 |
  | galesburgelectric.com | KTK-R-3 | 11.11 | 1 | In Stock | | Bussmann | | 11.11 @ 1 |
  | superbreakers.com | KTK-R-3 | 11.69 | 1 | In Stock | | Eaton Bussmann | | 11.69 @ 1 |
  | mostelectric.com | KTK-R-3 | 12.34 | 1 | 7 | | COOPER BUSSMANN | | 12.34 @ 1 |
  | turtle.com | BUS KTK-R-3 | 14.81 | 1 | In Stock | | Eaton | | 14.81 @ 1 |
  | Raptor Supplies | AE2FHZ | 16.7490765 | 1 | In Stock | | BUSSMANN | | 16.7490765 @ 1 |
  | Kelly Hayes | KTK-R-3 | 16.94 | 1 | In Stock | | BUSSMANN | | 16.94 @ 1 |
  | AI Consolidated | KTK-R-3-BUSSMANN | 20.35 | 1 | In Stock | | Bussmann Eaton Cooper Fuses | 2.2046 | 20.35 @ 1 |
| Monarch Electric | 58212 | 21.13 | 1 | In Stock | | Bussmann | | 21.13 @ 1 |
  | Tedss | 2026001364 | 21.86 | 1 | In Stock | | COOPER BUSSMANN | | 21.86 @ 1 |
| Waldom | EATON KTK-R-3 | 22.44 | 1 | In Stock | | Eaton | | 22.44 @ 1 |
  | Digi-Key | BK/KTK-R-3-ND | 22.725 | 100 | In Stock | | Eaton - Bussmann Electrical Division | | 22.725 @ 100 |
  | globalcommercialparts.com | BUS_KTKR3 | 22.78 | 1 | 13 | | BUSSMAN | | 22.78 @ 1 |
  | Zoro | G3055656 | 23.3 | 1 | 2393 | | Eaton Bussmann | 0.02 | 23.3 @ 1 |
  | Galco | KTK-R-3-BUSS | 23.3 | 1 | 1 | | Bussmann | 0.2998 | 23.3 @ 1 |
  | Walker Industrial | KTK-R-3 | 23.3 | 10 | In Stock | | Cooper Bussmann | | 23.3 @ 10 |
  | Carlton Bates Company | 05171242062 | 24.04 | 1 | In Stock | | EATON BUSSMANN SERIES | | 24.04 @ 1 |
| Onlinecomponents.com | KTK-R-3 | 24.98 | 1 | 46 | | BUSSMANN / EATON | | 24.98 @ 1 |
| Hotenda | H557954 | 26.38 | 1 | In Stock | | Eaton (formerly Cooper Bussmann) | | 26.38 @ 1 |
  | Platt.com | 0433266 | 28.78 | 1 | 171 | | Eaton/Bussmann Series | | 28.78 @ 1 |
| cmafh.com | KTKR3 | 29.86 | 1 | In Stock | | Bussmann ( Eaton) | | 29.86 @ 1 |
| Graybar | 88052133 | 30.9456 | 1 | 34 | | Bussmann (Eaton) | | 30.9456 @ 1 |
| grainger.ca | BUSKTK-R3 | 34.7298171 | 1 | In Stock | | BUSSMANN | 0.01 | 34.7298171 @ 1 |
  | Elliott Electric | KTKR3 | 35.33 | 1 | In Stock | | Eaton | 0.02 | 35.33 @ 1 |
| Future Electronics | 9028369 | 35.784 | 10 | In Stock | | Eaton | | 35.784 @ 10 |
  | Radwell | KTK-R-3 | 36.0 | 1 | 10 | | BUSSMANN LIMITRON | | 36.0 @ 1 |
| uri.com | KTKR3 | 38.76 | 1 | In Stock | | Bussmann | 0.02 | 38.76 @ 1 |
| standardelectricsupply.com | 8067 | 39.16 | 1 | 19 | | Bussmann | | 39.16 @ 1 |
  | NRI Industrial | D220660 | 41.58 | 1 | In Stock | | COOPER BUSSMANN | | 41.58 @ 1 |
| AmazonSC | B07S1BZ9ZB | 41.96 | 1 | In Stock | | Bussmann / Eaton | | 41.96 @ 1 |
  | kempstoncontrols.co.uk | KTK-R-3 | 45.8448705 | 1 | 28 | | Bussmann | | 45.8448705 @ 1 |
  | National Supply Network | 74760398 | 46.43 | 10 | In Stock | | Cooper Bussmann | | 46.43 @ 10 |
| RS Delivers | 848-3914 | 51.432 | 1 | In Stock | | Eaton | | 51.432 @ 1 |
  | Newark | 01P3606 | 53.59 | 1 | 289 | | EATON BUSSMANN | | 53.59 @ 1 |
| us.rs-online.com | 70150955 | 58.14 | 1 | In Stock | | Bussmann by Eaton | | 58.14 @ 1 |
| Airline Hydraulics | BUSSMANN KTK-R-3 | 59.34 | 1 | 6 | | Cooper Bussmann | | 59.34 @ 1 |