| MRO Supply | 1376081 | 1 | | 1 | |
 Onlinecomponents.com | KTK-R-25 | 1 | 28 | 1 | 1 @ $26.58, 5 @ $24.37, 10 @ $22.49, 25 @ $21.50, 50 @ $20.59, 100 @ $19.24, 250 @ $18.74 |
| Allied Electronics | 70151067 | 1 | | 1 | |
 Digi-Key | KTK-R-25-ND | 10 | | 10 | 10 @ $28.40 |
| Galco | KTK-R-25 | 1 | | 1 | |
| 1Source | KTK-R-25 | 1 | | 1 | |
| Future Electronics | 8028369 | 1 | 28 | 1 | 1 @ $31.60, 4 @ $28.95, 15 @ $26.64, 30 @ $25.50, 75 @ $24.07 |
| Heilind Electronics | KTK-R-25 | 1 | 5 | 1 | 1 @ $22.36 |
 Platt.com | 0552909 | 1 | 108 | 1 | 1 @ $26.93 |
 Carlton Bates Company | 05171242073 | 1 | | 1 | 1 @ $25.58 |
| Fuses Unlimited | KTK-R-25 | 1 | 136 | 1 | |
 AI Consolidated | KTK-R-25-BUSSMANN | 1 | -2 | 1 | 1 @ $21.64 |
| Newark | 95F3862 | 1 | | 1 | |
| RS Online | 8484276 | 1 | | 1 | |
 4 Star Electronics | KTKR25 | 1 | | 1 | |
 Walker Industrial | KTK-R-25 | 1 | 3 to 5 Days | 1 | 1 @ $24.78 |
| FinditParts | 5950482 | 1 | | 1 | |
 Raptor Supplies | AE8QMP | 1 | | 1 | 1 @ $16.75 |
 AmazonTP | B017088SG2 | 1 | | 1 | 1 @ $5.99 |
 Newark | 01P3609 | 1 | 381 | 1 | 1 @ $54.66, 5 @ $51.93, 10 @ $49.19 |
| AmazonSC | B000LEU0P0 | 1 | | 1 | |
 bscsource.com | KTKR25 | 1 | | 1 | 1 @ $21.39 |
| AmazonSC | B00208Z7NA | 1 | | 1 | 1 @ $7.79 |
| AmazonSC | B01AWEFSXW | 1 | | 1 | |
 grainger.ca | BUSKTK-R25 | 1 | | 1 | |
| French Gerleman | BUSSKTKR25 | 1 | | 1 | |
| Guardian | KTK-R-25 | 1 | | 1 | |
| uri.com | KTKR25 | 1 | -2 | 1 | 1 @ $41.22 |
 kempstoncontrols.co.uk | KTK-R-25 | 1 | 49 | 1 | 1 @ $26.77 |
| standardelectricsupply.com | 8066 | 1 | | 1 | 1 @ $416.30 |
 Kelly Hayes | KTK-R-25 | 1 | 18 | 1 | 1 @ $18.01 |
 Radwell | KTK-R-25 | 1 | 59 | 1 | 1 @ $35.00 |
 steinerelectric.com | 5045 | 1 | | 1 | 1 @ $32.48 |
 supremediy.com | VORG7766009 | 1 | 9 | 1 | 1 @ $25.36 |
 superbreakers.com | KTK-R-25 | 1 | 99 | 1 | 1 @ $14.36 |
 mecampbell.com | BUSKTK-R-25 | 1 | Est Lead Time: 30 Bus Days | 1 | 1 @ $31.87 |
| Crescent Electric Supply Co | 1900782 | 1 | | 1 | |
| borderstates.com | 113631 | 1 | | 1 | |
 Elliott Electric | KTKR25 | 1 | Call for Availability | 1 | 1 @ $35.96 |
 galesburgelectric.com | KTK-R-25 | 1 | -2 | 1 | 1 @ $11.82 |
| RS Delivers | 848-4276 | 1 | 33 | 1 | 1 @ $45.23, 5 @ $42.06, 25 @ $39.30, 50 @ $36.94, 100 @ $34.78 |
 shelllumber.com | VORG7766009 | 1 | 10 | 1 | 1 @ $25.93 |
| Guardian | KTKR25 | 1 | | 1 | |
 Galco | KTK-R-25-BUSS | 1 | 11 | 1 | 1 @ $24.78 |
| Crescent Electric Supply Co | KTK-R-25 | 1 | | 1 | |
| Grainger | 6F200 | 1 | | 1 | |
| us.rs-online.com | 70151067 | 1 | 435 | 1 | 1 @ $47.53, 5 @ $45.26 |
 mostelectric.com | KTK-R-25 | 1 | 10 | 1 | 1 @ $14.74 |
 National Supply Network | 74760380 | 10 | -2 | 10 | 1 @ $39.75 |
 Allfuses | KTK-R-25 | 1 | 135 | 1 | 1 @ $10.79 |
 zaynesolutions.com | 7766009 | 1 | Out Of Stock | 1 | 1 @ $30.96 |
| Airline Hydraulics | BUSSMANN KTK-R-25 | 1 | | 1 | 1 @ $63.08 |
 Zoro | G0976762 | 1 | 1529 | 1 | 1 @ $24.78 |
 simsupply.com | ZO-G0976762 | 1 | 797 | 1 | 1 @ $35.30 |
