Contactors & Relays – Mouser United Kingdom

SIRIUS 3RF2 Solid-State Relays & Contactors

Siemens SIRIUS 3RF2 Solid-State Relays (SSRs) are suitable for surface mounting on existing cooling surfaces. 3RF2 SSRs, which do not include a heat sink, provide quick and easy mounting with two screws. The capacity reaches up to 88A on resistive loads, depending on the heat sink. The SSRs come in single-phase relays with a width of 22.5mm or 45mm or a three-phase relay with a width of 45mm. Siemens SIRIUS 3RF2 Solid-State Contactors feature an integrated heat sink and are available in a single-phase version with currents up to 70A or a three-phase version with currents up to 50A.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
Contactors - Solid State SS CONTACTOR,50A,600V,4-30VDC,SCREW ZP 3RF23501AA45 Siemens 1: £297.47 4On Order	Mfr. Part No. 3RF23501AA45 Mouser Part No 982-3RF23501AA45	Siemens	Contactors - Solid State SS CONTACTOR,50A,600V,4-30VDC,SCREW ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	4On Order	£297.47 £260.65 £252.85	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,45MM,20A,230V,24VDC-C,SCREW ZP 3RF20201AA02 Siemens 1: £76.16 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF20201AA02 Mouser Part No 982-3RF20201AA02	Siemens	Solid State Relays - SSRs SS RELAY,45MM,20A,230V,24VDC-C,SCREW ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£76.16 £76.15 £75.26 £74.08 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,45MM,20A,460V,24VDC-C,SCREW ZP 3RF20201AA04 Siemens 1: £85.95 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF20201AA04 Mouser Part No 982-3RF20201AA04	Siemens	Solid State Relays - SSRs SS RELAY,45MM,20A,460V,24VDC-C,SCREW ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£85.95 £85.94 £84.32 £83.93 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,45MM,20A,460V,110-230VAC,SCW ZP 3RF20201AA24 Siemens 1: £97.64 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF20201AA24 Mouser Part No 982-3RF20201AA24	Siemens	Solid State Relays - SSRs SS RELAY,45MM,20A,460V,110-230VAC,SCW ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£97.64 £97.63 £95.64 £95.19 Quote Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SEMICONDUCTOR RELAY 3RF2 3RF20201AA42 Siemens 1: £76.16 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF20201AA42 Mouser Part No 982-3RF20201AA42	Siemens	Solid State Relays - SSRs SEMICONDUCTOR RELAY 3RF2 Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£76.16 £76.15 £75.26 £74.08 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs 45MM,SSR,20A,48-600V,ZRO SCRW 4-30VDC CO 3RF20201AA45 Siemens 1: £92.27 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF20201AA45 Mouser Part No 982-3RF20201AA45	Siemens	Solid State Relays - SSRs 45MM,SSR,20A,48-600V,ZRO SCRW 4-30VDC CO Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£92.27 £92.26 £90.50 £90.08 Quote Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,45MM,30A,230V,24VDC COIL,SCW ZP 3RF20301AA02 Siemens 1: £79.94 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF20301AA02 Mouser Part No 982-3RF20301AA02	Siemens	Solid State Relays - SSRs SS RELAY,45MM,30A,230V,24VDC COIL,SCW ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£79.94 £79.93 £78.96 £77.72 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs 230/460V,45MM SS RELAY,30 A,SCREW,24VDC 3RF20301AA04 Siemens 1: £90.70 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF20301AA04 Mouser Part No 982-3RF20301AA04	Siemens	Solid State Relays - SSRs 230/460V,45MM SS RELAY,30 A,SCREW,24VDC Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£90.70 £90.69 £88.87 £88.46 Quote Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,45MM,30A,600V,24VDC COIL,SCW ZP 3RF20301AA06 Siemens 1: £127.66 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF20301AA06 Mouser Part No 982-3RF20301AA06	Siemens	Solid State Relays - SSRs SS RELAY,45MM,30A,600V,24VDC COIL,SCW ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£127.66 £127.04 £123.90 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,45MM,30A,230V,110-230VAC,SCW ZP 3RF20301AA22 Siemens 1: £91.64 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF20301AA22 Mouser Part No 982-3RF20301AA22	Siemens	Solid State Relays - SSRs SS RELAY,45MM,30A,230V,110-230VAC,SCW ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£91.64 £91.63 £89.74 £89.32 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,45MM,30A,460V,110-230VAC,SCW ZP 3RF20301AA24 Siemens 1: £102.69 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF20301AA24 Mouser Part No 982-3RF20301AA24	Siemens	Solid State Relays - SSRs SS RELAY,45MM,30A,460V,110-230VAC,SCW ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£102.69 £102.68 £100.67 £100.20 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,45MM,30A,600V,110-230VAC,SCW ZP 3RF20301AA26 Siemens 1: £142.19 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF20301AA26 Mouser Part No 982-3RF20301AA26	Siemens	Solid State Relays - SSRs SS RELAY,45MM,30A,600V,110-230VAC,SCW ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£142.19 £142.18 £140.09 £137.86 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,45MM,30A,230V,4-30VDC,SCW ZP 3RF20301AA42 Siemens 1: £79.94 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF20301AA42 Mouser Part No 982-3RF20301AA42	Siemens	Solid State Relays - SSRs SS RELAY,45MM,30A,230V,4-30VDC,SCW ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£79.94 £79.93 £78.96 £77.72 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SEMICONDUCTOR RELAY 3RF2 3RF20301BA04 Siemens 1: £90.70 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF20301BA04 Mouser Part No 982-3RF20301BA04	Siemens	Solid State Relays - SSRs SEMICONDUCTOR RELAY 3RF2 Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£90.70 £90.69	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,45MM,50A,230V,24VDC COIL,SCW ZP 3RF20501AA02 Siemens 1: £86.58 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF20501AA02 Mouser Part No 982-3RF20501AA02	Siemens	Solid State Relays - SSRs SS RELAY,45MM,50A,230V,24VDC COIL,SCW ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£86.58 £84.90 £84.51 Quote Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SSR,45MM,50A,460V,24VDC,SCW, TC FOIL 3RF20501AA040WF0 Siemens 1: £121.07 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF20501AA040WF0 Mouser Part No 982-3RF20501AA040WF0	Siemens	Solid State Relays - SSRs SSR,45MM,50A,460V,24VDC,SCW, TC FOIL Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£121.07 £113.23 £111.62 £109.42 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,45MM,50A,230V,110-230VAC,SCW ZP 3RF20501AA22 Siemens 1: £98.60 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF20501AA22 Mouser Part No 982-3RF20501AA22	Siemens	Solid State Relays - SSRs SS RELAY,45MM,50A,230V,110-230VAC,SCW ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£98.60 £98.59 £96.70 £96.26 Quote Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,45MM,50A,460V,110-230VAC,SCW ZP 3RF20501AA24 Siemens 1: £109.33 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF20501AA24 Mouser Part No 982-3RF20501AA24	Siemens	Solid State Relays - SSRs SS RELAY,45MM,50A,460V,110-230VAC,SCW ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£109.33 £109.32 £108.62 £105.93 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,45MM,50A,600V,110-230VAC,SCW ZP 3RF20501AA26 Siemens 1: £152.94 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF20501AA26 Mouser Part No 982-3RF20501AA26	Siemens	Solid State Relays - SSRs SS RELAY,45MM,50A,600V,110-230VAC,SCW ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£152.94 £152.93 £150.78 £148.38 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,45MM,50A,460V,4-30VDC,SCW 3RF20501AA44 Siemens 1: £99.85 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF20501AA44 Mouser Part No 982-3RF20501AA44	Siemens	Solid State Relays - SSRs SS RELAY,45MM,50A,460V,4-30VDC,SCW Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£99.85 £99.84 £97.85 £97.41 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs 45MM,SSR,50A,48-600V,ZRO SCRW 4-30VDC 3RF20501AA45 Siemens 1: £131.83 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF20501AA45 Mouser Part No 982-3RF20501AA45	Siemens	Solid State Relays - SSRs 45MM,SSR,50A,48-600V,ZRO SCRW 4-30VDC Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£131.83 £117.39 £112.07 £108.22	Min.: 1 Mult.: 1
Solid State Relays - SSRs 24-230V,45MM RELAY,50 A,SCRW/SPRNG,24VDC 3RF20504AA02 Siemens 1: £89.74 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF20504AA02 Mouser Part No 982-3RF20504AA02	Siemens	Solid State Relays - SSRs 24-230V,45MM RELAY,50 A,SCRW/SPRNG,24VDC Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£89.74 £87.99 £87.59 Quote Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,45MM,70A,230V,24VDC COIL,SCW ZP 3RF20701AA02 Siemens 1: £105.54 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF20701AA02 Mouser Part No 982-3RF20701AA02	Siemens	Solid State Relays - SSRs SS RELAY,45MM,70A,230V,24VDC COIL,SCW ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£105.54 £104.98 £102.79 £102.32 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,45MM,70A,460V,24VDC COIL,SCW ZP 3RF20701AA04 Siemens 1: £114.38 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF20701AA04 Mouser Part No 982-3RF20701AA04	Siemens	Solid State Relays - SSRs SS RELAY,45MM,70A,460V,24VDC COIL,SCW ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£114.38 £113.71 £110.90 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,45MM,70A,600V,24VDC COIL,SCW ZP 3RF20701AA06 Siemens 1: £145.98 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF20701AA06 Mouser Part No 982-3RF20701AA06	Siemens	Solid State Relays - SSRs SS RELAY,45MM,70A,600V,24VDC COIL,SCW ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£145.98 £145.97 £143.98 £141.68 View Quote	Min.: 1 Mult.: 1

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