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.
Solid State Relays - SSRs SS RELAY,22.5MM,20A,230V,230VAC,RING ZP 3RF21203AA22 Siemens 1: £108.07 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF21203AA22 Mouser Part No 982-3RF21203AA22	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,20A,230V,230VAC,RING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£108.07 £107.44 £104.78 £103.83 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,20A,460V,230VAC,RING ZP 3RF21203AA24 Siemens 1: £120.71 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF21203AA24 Mouser Part No 982-3RF21203AA24	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,20A,460V,230VAC,RING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£120.71 £120.19 £117.21 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,30A,600V,24VDC-C,RING ZP 3RF21301AA06 Siemens 1: £166.83 Non-Stocked Lead-Time 5 Weeks	Mfr. Part No. 3RF21301AA06 Mouser Part No 982-3RF21301AA06	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,30A,600V,24VDC-C,RING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 5 Weeks	£166.83 £165.27 £162.03	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,30A,230V,230VAC,RING ZP 3RF21301AA22 Siemens 1: £113.76 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF21301AA22 Mouser Part No 982-3RF21301AA22	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,30A,230V,230VAC,RING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£113.76 £112.92 £110.13 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,30A,460V,230VAC,RING ZP 3RF21301AA24 Siemens 1: £127.03 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF21301AA24 Mouser Part No 982-3RF21301AA24	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,30A,460V,230VAC,RING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£127.03 £126.46 £123.33 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,30A,600V,230VAC,RING ZP 3RF21301AA26 Siemens 1: £184.54 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF21301AA26 Mouser Part No 982-3RF21301AA26	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,30A,600V,230VAC,RING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£184.54 £182.86 £179.27	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,30A,600V,230VAC,SCRW 3RF21301AA42 Siemens 1: £102.07 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF21301AA42 Mouser Part No 982-3RF21301AA42	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,30A,600V,230VAC,SCRW Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£102.07 £102.06 £100.08 £99.62 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs 22.5MM,SSR,30A,48-600V,ZRO SCRW 4-30VDC 3RF21301AA45 Siemens 1: £121.65 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF21301AA45 Mouser Part No 982-3RF21301AA45	Siemens	Solid State Relays - SSRs 22.5MM,SSR,30A,48-600V,ZRO SCRW 4-30VDC Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£121.65 £120.87 £117.88 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,30A,460V,1PH,INSTANT SW 3RF21301BA04 Siemens 1: £116.91 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF21301BA04 Mouser Part No 982-3RF21301BA04	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,30A,460V,1PH,INSTANT SW Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£116.91 £116.26 £113.39 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,50A,230V,24VDC-C,RING ZP 3RF21501AA02 Siemens 1: £109.65 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF21501AA02 Mouser Part No 982-3RF21501AA02	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,50A,230V,24VDC-C,RING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£109.65 £108.91 £106.21 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,50A,230V,230VAC,RING ZP 3RF21501AA22 Siemens 1: £121.65 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF21501AA22 Mouser Part No 982-3RF21501AA22	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,50A,230V,230VAC,RING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£121.65 £120.87 £117.88 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,50A,460V,230VAC,RING ZP 3RF21501AA24 Siemens 1: £139.67 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF21501AA24 Mouser Part No 982-3RF21501AA24	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,50A,460V,230VAC,RING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£139.67 £139.66 £137.76 £135.56 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,50A,600V,230VAC,RING ZP 3RF21501AA26 Siemens 1: £189.60 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF21501AA26 Mouser Part No 982-3RF21501AA26	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,50A,600V,230VAC,RING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£189.60 £187.55 £184.76	Min.: 1 Mult.: 1
Solid State Relays - SSRs 22.5MM,SSR,50A,48-600V,ZRO SCRW 4-30VDC 3RF21501AA45 Siemens 1: £133.34 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF21501AA45 Mouser Part No 982-3RF21501AA45	Siemens	Solid State Relays - SSRs 22.5MM,SSR,50A,48-600V,ZRO SCRW 4-30VDC Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£133.34 £132.73 £129.45 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SEMICONDUCTOR RELAY 3RF2 3RF21501AG04 Siemens 1: £125.45 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF21501AG04 Mouser Part No 982-3RF21501AG04	Siemens	Solid State Relays - SSRs SEMICONDUCTOR RELAY 3RF2 Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£125.45 £124.79 £121.70 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SEMICONDUCTOR RELAY 3RF2 3RF21501BA04 Siemens 1: £127.03 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF21501BA04 Mouser Part No 982-3RF21501BA04	Siemens	Solid State Relays - SSRs SEMICONDUCTOR RELAY 3RF2 Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£127.03 £126.46 £123.33 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,50A,600V,600VAC,scw,inst 3RF21501BA06 Siemens 1: £171.90 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF21501BA06 Mouser Part No 982-3RF21501BA06	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,50A,600V,600VAC,scw,inst Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£171.90 £170.35 £167.01	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,50A,230V,230VAC,scw,inst 3RF21501BA22 Siemens 1: £121.65 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 3RF21501BA22 Mouser Part No 982-3RF21501BA22	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,50A,230V,230VAC,scw,inst Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 4 Weeks	£121.65 £120.87 £117.88 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,50A,230V,24VDC,SPRING ZP 3RF21502AA02 Siemens 1: £114.38 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. 3RF21502AA02 Mouser Part No 982-3RF21502AA02	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,50A,230V,24VDC,SPRING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 2 Weeks	£114.38 £113.71 £110.90 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,50A,460V,24VDC,SPRING ZP 3RF21502AA04 Siemens 1: £133.34 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. 3RF21502AA04 Mouser Part No 982-3RF21502AA04	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,50A,460V,24VDC,SPRING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 2 Weeks	£133.34 £132.73 £129.45 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,50A,600V,24VDC,SPRING ZP 3RF21502AA06 Siemens 1: £178.85 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. 3RF21502AA06 Mouser Part No 982-3RF21502AA06	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,50A,600V,24VDC,SPRING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 2 Weeks	£178.85 £177.19 £173.72	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,50A,230V,230V,SPRING ZP 3RF21502AA22 Siemens 1: £127.03 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. 3RF21502AA22 Mouser Part No 982-3RF21502AA22	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,50A,230V,230V,SPRING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 2 Weeks	£127.03 £126.46 £123.33 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,50A,460V,230V,SPRING ZP 3RF21502AA24 Siemens 1: £142.85 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. 3RF21502AA24 Mouser Part No 982-3RF21502AA24	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,50A,460V,230V,SPRING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 2 Weeks	£142.85 £136.65 £134.65 £131.43 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,50A,600V,230V,SPRING ZP 3RF21502AA26 Siemens 1: £198.44 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. 3RF21502AA26 Mouser Part No 982-3RF21502AA26	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,50A,600V,230V,SPRING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 2 Weeks	£198.44 £196.53 £193.61	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,50A,230V,24VDC-C,RING ZP 3RF21503AA02 Siemens 1: £109.65 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. 3RF21503AA02 Mouser Part No 982-3RF21503AA02	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,50A,230V,24VDC-C,RING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 2 Weeks	£109.65 £108.91 £106.21 View Quote	Min.: 1 Mult.: 1

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SIRIUS 3RF2 Solid-State Relays & Contactors

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