| RS Delivers | 392-8967 | 4.884 | 1 | 5 | | Siemens | | 4.884 @ 5 |
 | kempstoncontrols.co.uk | 3RH1921-1CA10 | 4.983381 | 1 | 5 | | Siemens | | 4.983381 @ 5 |
| electricautomationnetwork.com | 3RH1921-1CA10 | 5.42 | 1 | 5 | | SIEMENS | | 5.42 @ 5 |
| steinerelectric.com | 15368 | 6.83 | 1 | 5 | | Siemens | | 6.83 @ 5 |
 | BDI Express | 15038843 | 7.19384564 | 1 | 5 | | SIEMENS | | 7.19384564 @ 5 |
| standardelectricsupply.com | 33039 | 7.76 | 1 | 5 | | Siemens | | 7.76 @ 5 |
 | industrialzone.com | 3RH19211CA10 | 8.0 | 25 | 5 | | Siemens | 1.0 | 8.0 @ 25 |
 | motorsandcontrol.com | 3RH1921-1CA10 | 8.79 | 1 | 5 | | Siemens | 1.0 | 8.79 @ 5 |
 | bulbspro.com | 3RH1921-1CA10 | 9.05 | 1 | 5 | | Siemens | | 9.05 @ 5 |
 | industrialstores.com | 3RH1921-1CA10 | 9.54 | 1 | 27 | | Siemens Industrial Controls | | 9.54 @ 5 |
| AmazonTP | B00QW2LG8U | 9.77 | 1 | 5 | 2 | Siemens Energy & Automation (Furnas) | | 9.77 @ 5 |
 | Newark | 50M6717 | 9.93 | 1 | 9 | | SIEMENS | | 9.93 @ 5 |
 | kentstore.com | 3RH19211CA10 | 10.24 | 1 | 26 | | Siemens | | 10.24 @ 5 |
| hvacdiscountstore.com | SIE--3RH1921-1CA10 | 10.45 | 1 | 15 | | SIEMENS INDUSTRIAL CONTROLS | | 10.45 @ 5 |
| us.rs-online.com | 70267710 | 10.53 | 1 | 99 | | Siemens | | 10.53 @ 5 |
 | MRO Supply | 6141029 | 10.85 | 4 | 5 | | Siemens | | 10.85 @ 5 |
 | Voomi Supply | 3RH1921-1CA10 | 10.99 | 1 | 5 | | Siemens Industrial Controls | | 10.99 @ 5 |
| Onlinecomponents.com | 3RH1921-1CA10 | 11.22 | 2 | 30 | | Siemens | | 11.22 @ 5 |
 | Digi-Key | 14636268 | 12.87 | 1 | 86 | | Siemens | | 12.87 @ 5 |
| Dale-Electric | 3RH1921-1CA10 | 13.99 | 1 | 5 | | Siemens Industry, Inc. | | 13.99 @ 5 |
 | turtle.com | ITE 3RH1921-1CA10 | 15.41 | 1 | 5 | | Siemens | | 15.41 @ 5 |
 | crescentelectric.com | 19652 | 18.54 | 1 | 5 | | Siemens | | 18.54 @ 5 |
 | controlparts.com | 3RH1921-1CA10 | 28.0 | 1 | 5 | | SIEMENS | | 28.0 @ 5 |
 | ebay.com_plccenter | 3RH1921-1CA10 | 105.84 | 1 | 5 | | Siemens | | 105.84 @ 5 |
 | ebay.com_iletronic | 3RH1921-1CA10 | 105.99 | 1 | 5 | | Siemens | | 105.99 @ 5 |
 | ebay.com_garestoration | 3RH1921-1CA10 | 106.94 | 1 | 5 | | Siemens | | 106.94 @ 5 |
 | ebay.com_northeast-parts | 3RH1921-1CA10 | 106.99 | 1 | 5 | | Siemens | | 106.99 @ 5 |
 | ebay.com_plantandfactoryspares | 3RH1921-1CA10 | 107.99 | 1 | 5 | | Siemens | | 107.99 @ 5 |
 | ebay.com_auto_ma_tion | 3RH1921-1CA10 | 109.49 | 1 | 5 | | Siemens | | 109.49 @ 5 |
 | ebay.com_krisot1995 | 3RH1921-1CA10 | 109.94 | 1 | 5 | | Siemens | | 109.94 @ 5 |
 | ebay.com_buggy_parts_plus | 3RH1921-1CA10 | 109.98 | 1 | 5 | | Siemens | | 109.98 @ 5 |
 | ebay.com_cotvtrade | 3RH1921-1CA10 | 110.94 | 1 | 5 | | Siemens | | 110.94 @ 5 |
 | ebay.com_happytools_de | 3RH1921-1CA10 | 112.39 | 1 | 5 | | Siemens | | 112.39 @ 5 |
 | ebay.com_allelectricalcontrols | 3RH1921-1CA10 | 114.98 | 1 | 5 | | Siemens | | 114.98 @ 5 |
 | ebay.com_arbdeals | 3RH1921-1CA10 | 114.98 | 1 | 5 | | Siemens | | 114.98 @ 5 |
 | ebay.com_d-a_liquidators2014 | 3RH1921-1CA10 | 189.98 | 1 | 5 | | Siemens | | 189.98 @ 5 |
