Industrial Relays from Siemens
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Industrial Relays from Siemens
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 Siemens 3RA29422F 3RA2942-2F base plate S3-S3-S2 with side-by-side 3RA2942-2F
Base plate for mounting combinations of three contactors (3x3RT2.4 or 2x3RT2.4 and 1x3RT2.3) for star-delta starting. Simple, efficient, always up-to-date - the SIRIUS modular system.Lieske Part No.: 324714 Mfg Part No: 3RA29422F Type: 3RA2942-2F |
50,67 EUR
 ≈ £42.41 | ≈ $56.70
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Siemens 3RB31434UD0 3RB3143-4UD0 overload relay 12.5-50 S3, Class 5E-30E contactor mounting
Überlastrelais 12,5...50 A elektronisch für Motorschutz Baugröße S3, CLASS 5E...30E Schützanbau Hauptstromkreis: Schraub Hilfsstromkreis: Federzugklemme Hand-Automatik-RESET Elektronisches ... Lieske Part No.: 425324 Mfg Part No: 3RB31434UD0 Type: 3RB3143-4UD0 |
354,41 EUR
≈ £296.64 | ≈ $396.58
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Siemens 3RF20201AA02 3RF2020-1AA02 semiconductor relay 3RF2 24-230V/DC24V
Solid state relay, 1-phase 3RF2 Width 45 mm, 20 A 24-230 V / DC 24 V screw connection Solid state relay SIRIUS 3RF20 for switching resistive/inductive loads, e.g. radiators or valves in a bottling ... Lieske Part No.: 665020 Mfg Part No: 3RF20201AA02 Type: 3RF2020-1AA02 |
57,24 EUR
≈ £47.91 | ≈ $64.05
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Siemens 3RF20201AA04 3RF2020-1AA04 semiconductor relay 45 mm 20 A 48–460 V/DC 24 V
Solid-state relay, 1-phase 3RF2 Width 45 mm, 20 A 48-460 V / DC 24 V screw connection Solid-state relay SIRIUS 3RF20 for switching resistive/inductive loads, e.g. radiators or valves in a bottling ... Lieske Part No.: 946144 Mfg Part No: 3RF20201AA04 Type: 3RF2020-1AA04 |
64,17 EUR
≈ £53.71 | ≈ $71.81
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Siemens 3RF20201AA22 3RF2020-1AA22 semiconductor relay 3RF2 24-230V/110-230VAC
Solid state relay, 1-phase 3RF2 Width 45 mm, 20 A 24-230 V / 110-230 V AC Screw connection Solid state relay SIRIUS 3RF20 for switching resistive/inductive loads, e.g. radiators or valves in a ... Lieske Part No.: 181693 Mfg Part No: 3RF20201AA22 Type: 3RF2020-1AA22 |
65,52 EUR
≈ £54.84 | ≈ $73.32
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Siemens 3RF20201AA24 3RF2020-1AA24 semiconductor relay 45 mm 20 A 48–460 V/110–230 V AC
Solid state relay, 1-phase 3RF2 Width 45 mm, 20 A 48-460 V / 110-230 V AC Screw connection Solid state relay SIRIUS 3RF20 for switching resistive/inductive loads, e.g. radiators or valves in a ... Lieske Part No.: 1582025 Mfg Part No: 3RF20201AA24 Type: 3RF2020-1AA24 |
72,99 EUR
≈ £61.09 | ≈ $81.68
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Siemens 3RF20201AA42 3RF2020-1AA42 semiconductor relay 3RF2 width 45 mm, 20 A 24–230 V/4–30 V DC
Solid state relay, 1-phase 3RF2 Width 45 mm, 20 A 24-230 V / DC 4-30 V Screw connection Solid state relay SIRIUS 3RF20 for switching resistive/inductive loads, e.g. radiators or valves in a bottling ... Lieske Part No.: 376577 Mfg Part No: 3RF20201AA42 Type: 3RF2020-1AA42 |
57,24 EUR
≈ £47.91 | ≈ $64.05
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Siemens 3RF20201AA45 3RF2020-1AA45 semiconductor relay single-phase B45 mm 20 A 48–600 V/4–30 V DC
*Auslauftyp* Halbleiterrelais, 1-phasig 3RF2 Baubreite 45 mm, 20 A 48-600 V / DC 4-30 V Schraubanschluss Sperrspannung 1200 V zum Aufbau auf vorhandene Kühlflächen Halbleiterrelais SIRIUS 3RF20 zum ... Lieske Part No.: 498376 Mfg Part No: 3RF20201AA45 Type: 3RF2020-1AA45 |
68,94 EUR
≈ £57.70 | ≈ $77.14
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Siemens 3RF20301AA02 3RF2030-1AA02 semiconductor relay 30 A width 45 mm 24–230 V/24 V DC
Solid state relay, 1-phase 3RF2 Width 45 mm, 30 A 24-230 V / DC 24 V screw connection Solid state relay SIRIUS 3RF20 for switching resistive/inductive loads, e.g. radiators or valves in a bottling ... Lieske Part No.: 135235 Mfg Part No: 3RF20301AA02 Type: 3RF2030-1AA02 |
59,58 EUR
≈ £49.87 | ≈ $66.67
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Siemens 3RF20301AA04 3RF2030-1AA04 semiconductor relay 30 45 mm 230–460 V/24 V DC
Solid-state relay, 1-phase 3RF2 Width 45 mm, 30 A 48-460 V / DC 24 V screw connection Solid-state relay SIRIUS 3RF20 for switching resistive/inductive loads, e.g. radiators or valves in a bottling ... Lieske Part No.: 105504 Mfg Part No: 3RF20301AA04 Type: 3RF2030-1AA04 |
67,95 EUR
≈ £56.87 | ≈ $76.04
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Siemens 3RF20301AA06 3RF2030-1AA06 semiconductor relay 1-phase B45 mm 30 A 48–600 V/24 V DC
*Auslauftyp* Halbleiterrelais, 1-phasig 3RF2 Baubreite 45 mm, 30 A 48-600 V / DC 24 V Schraubanschluss zum Aufbau auf vorhandene Kühlflächen Halbleiterrelais SIRIUS 3RF20 zum Schalten von ... Lieske Part No.: 1275410 Mfg Part No: 3RF20301AA06 Type: 3RF2030-1AA06 |
95,40 EUR
≈ £79.85 | ≈ $106.75
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Siemens 3RF20301AA22 3RF2030-1AA22 semiconductor relay 1ph B45 mm 30 A 24–230 V/110–230 V AC
*Auslauftyp* Halbleiterrelais, 1-phasig 3RF2 Baubreite 45 mm, 30 A 24-230 V / 110-230 V AC Schraubanschluss zum Aufbau auf vorhandene Kühlflächen Halbleiterrelais SIRIUS 3RF20 zum Schalten von ... Lieske Part No.: 488843 Mfg Part No: 3RF20301AA22 Type: 3RF2030-1AA22 |
68,67 EUR
≈ £57.48 | ≈ $76.84
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Siemens 3RF20301AA24 3RF2030-1AA24 semiconductor relay 1-phase B45 mm 30 A 48–460 V/110–230 V AC
*Auslauftyp* Halbleiterrelais, 1-phasig 3RF2 Baubreite 45 mm, 30 A 48-460 V / 110-230 V AC Schraubanschluss zum Aufbau auf vorhandene Kühlflächen Halbleiterrelais SIRIUS 3RF20 zum Schalten von ... Lieske Part No.: 1275411 Mfg Part No: 3RF20301AA24 Type: 3RF2030-1AA24 |
76,86 EUR
≈ £64.33 | ≈ $86.01
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Siemens 3RF20301AA26 3RF2030-1AA26 semiconductor relay 1ph B45 mm 30 A 48–600 V/110–230 V AC
*Auslauftyp* Halbleiterrelais, 1-phasig 3RF2 Baubreite 45 mm, 30 A 48-600 V / 110-230 V AC Schraubanschluss zum Aufbau auf vorhandene Kühlflächen Halbleiterrelais SIRIUS 3RF20 zum Schalten von ... Lieske Part No.: 488844 Mfg Part No: 3RF20301AA26 Type: 3RF2030-1AA26 |
107,10 EUR
≈ £89.64 | ≈ $119.84
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Siemens 3RF20301AA42 3RF2030-1AA42 semiconductor relay 1ph B45 mm 30 A 24-230 V/4-30 VDC
*Auslauftyp* Halbleiterrelais, 1-phasig 3RF2 Baubreite 45 mm, 30 A 24-230 V / DC 4-30 V Schraubanschluss zum Aufbau auf vorhandene Kühlflächen Halbleiterrelais SIRIUS 3RF20 zum Schalten von ... Lieske Part No.: 494009 Mfg Part No: 3RF20301AA42 Type: 3RF2030-1AA42 |
59,58 EUR
≈ £49.87 | ≈ $66.67
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Siemens 3RF20301BA04 3RF2030-1BA04 semiconductor relay 1-phase B45 mm 30 A 48–460 V/24 V DC
*Auslauftyp* Halbleiterrelais, 1-phasig 3RF2 Baubreite 45 mm, 30 A 48-460 V / DC 24 V Schraubanschluss momentanschaltend zum Aufbau auf vorhandene Kühlflächen Halbleiterrelais SIRIUS 3RF20 zum ... Lieske Part No.: 494010 Mfg Part No: 3RF20301BA04 Type: 3RF2030-1BA04 |
67,95 EUR
≈ £56.87 | ≈ $76.04
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Siemens 3RF20501AA02 3RF2050-1AA02 semiconductor relay 50 A width 45 mm 24–230 V/24 V DC
Solid state relay, 1-phase 3RF2 Width 45 mm, 50 A 24-230 V / DC 24 V screw connection Solid state relay SIRIUS 3RF20 for switching resistive/inductive loads, e.g. radiators or valves in a bottling ... Lieske Part No.: 626392 Mfg Part No: 3RF20501AA02 Type: 3RF2050-1AA02 |
64,89 EUR
≈ £54.31 | ≈ $72.61
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Siemens 3RF20501AA04 3RF2050-1AA04 semiconductor contactor 1-phase 50 A 48–460 V/24 V DC
Solid-state relay, 1-phase 3RF2 Width 45 mm, 50 A 48-460 V / DC 24 V Screw connection Solid-state relay SIRIUS 3RF20 for switching resistive/inductive loads, e.g. radiators or valves in a bottling ... Lieske Part No.: 978035 Mfg Part No: 3RF20501AA04 Type: 3RF2050-1AA04 |
74,97 EUR
≈ £62.75 | ≈ $83.89
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Siemens 3RF20501AA06 3RF2050-1AA06 semiconductor relay 3RF2 48-600V/DC24V
Solid state relay, 1-phase 3RF2 Width 45 mm, 50 A 48-600 V / DC 24 V Screw connection Solid state relay SIRIUS 3RF20 for switching resistive/inductive loads, e.g. radiators or valves in a bottling ... Lieske Part No.: 1427217 Mfg Part No: 3RF20501AA06 Type: 3RF2050-1AA06 |
105,30 EUR
≈ £88.14 | ≈ $117.83
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Siemens 3RF20501AA22 3RF2050-1AA22 semiconductor relay 1-phase B45 mm 50 A 24–230 V/110–230 V AC
*Auslauftyp* Halbleiterrelais, 1-phasig 3RF2 Baubreite 45 mm, 50 A 24-230 V / 110-230 V AC Schraubanschluss zum Aufbau auf vorhandene Kühlflächen Halbleiterrelais SIRIUS 3RF20 zum Schalten von ... Lieske Part No.: 488845 Mfg Part No: 3RF20501AA22 Type: 3RF2050-1AA22 |
73,62 EUR
≈ £61.62 | ≈ $82.38
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Siemens 3RF20501AA24 3RF2050-1AA24 semiconductor relay 1ph B45 mm 50 A 48–460 V/110–230 V AC
*Auslauftyp* Halbleiterrelais, 1-phasig 3RF2 Baubreite 45 mm, 50 A 48-460 V / 110-230 V AC Schraubanschluss zum Aufbau auf vorhandene Kühlflächen Halbleiterrelais SIRIUS 3RF20 zum Schalten von ... Lieske Part No.: 1275412 Mfg Part No: 3RF20501AA24 Type: 3RF2050-1AA24 |
81,99 EUR
≈ £68.63 | ≈ $91.75
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Siemens 3RF20501AA26 3RF2050-1AA26 semiconductor relay 1ph B45 mm 50 A 48–600 V/110–230 V AC
*Auslauftyp* Halbleiterrelais, 1-phasig 3RF2 Baubreite 45 mm, 50 A 48-600 V / 110-230 V AC Schraubanschluss zum Aufbau auf vorhandene Kühlflächen Halbleiterrelais SIRIUS 3RF20 zum Schalten von ... Lieske Part No.: 1275413 Mfg Part No: 3RF20501AA26 Type: 3RF2050-1AA26 |
115,20 EUR
≈ £96.42 | ≈ $128.91
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Siemens 3RF20501AA44 Semiconductor relay 50 A 3RF2050-1AA44 width 45 mm 48–460 V/4–30 V DC
Solid state relay, 1-phase 3RF2 Width 45 mm, 50 A 48-460 V / DC 4-30 V Screw connection Solid state relay SIRIUS 3RF20 for switching resistive/inductive loads, e.g. radiators or valves in a bottling ... Lieske Part No.: 650778 Mfg Part No: 3RF20501AA44 Type: 3RF2050-1AA44 |
74,97 EUR
≈ £62.75 | ≈ $83.89
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Siemens 3RF20501AA45 3RF2050-1AA45 semiconductor relay 3RF2 48-600V/4-30V DC
Solid state relay, 1-phase 3RF2 Width 45 mm, 50 A 48-600 V / DC 4-30 V Screw connection Blocking voltage 1200 V Solid state relay SIRIUS 3RF20 for switching resistive/inductive loads, e.g. radiators ... Lieske Part No.: 650196 Mfg Part No: 3RF20501AA45 Type: 3RF2050-1AA45 |
81,00 EUR
≈ £67.80 | ≈ $90.64
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Further Information: Industrie-Relais
In the Industrie-Relais section, Industry-Electronics offers a curated range of industrial components for professional use. Leading manufacturers such as Finder, Murrelektronik, Siemens ensure quality to current IEC and EN standards. This category belongs to the Industrie-Relais und Schütze section of the Industrial Material range at Industry-Electronics.
For a complete overview of the Industrial Material range, visit Industrial Material. Our specialist team is available for volume enquiries, project advice and standards queries: +49 (0)7666 / 88499-0, sales@industry-electronics.com.
Typical Applications
| ✓ Manufacturing Automation & Robotics | ✓ Process Control & SCADA |
| ✓ Mechanical Engineering & Special-Purpose Machines | ✓ Power & Utility Technology |
| ✓ Food & Pharmaceutical Industry | ✓ Intralogistics & Conveyor Technology |
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▶ Leading Brands Siemens, Schneider Electric, Phoenix Contact, Weidmüller, WAGO, Eaton, ABB and Beckhoff – all from one source. | ▶ Complete B2B Range From PLC systems and switchgear to safety relays and industrial connectors. | ▶ B2B Expert Advice Our team advises on sizing, standards compliance and system integration – from component selection to project planning. |
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