Contactors & Relays – Mouser Singapore

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 (SGD) Filter the results in the table by unit price based on your quantity.	Qty.
Solid State Relays - SSRs SS RELAY,22.5MM,50A,460V,24VDC-C,RING ZP 3RF21503AA04 Siemens 1: $230.11 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. 3RF21503AA04 Mouser Part No 982-3RF21503AA04	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,50A,460V,24VDC-C,RING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 2 Weeks	$230.11 $229.08 $223.41 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,50A,600V,24VDC-C,RING ZP 3RF21503AA06 Siemens 1: $311.40 Non-Stocked Lead-Time 3 Weeks	Mfr. Part No. 3RF21503AA06 Mouser Part No 982-3RF21503AA06	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,50A,600V,24VDC-C,RING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 3 Weeks	$311.40 $308.58 $302.53	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,50A,230V,230VAC,RING ZP 3RF21503AA22 Siemens 1: $220.37 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. 3RF21503AA22 Mouser Part No 982-3RF21503AA22	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 2 Weeks	$220.37 $218.95 $213.53 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,50A,460V,230VAC,RING ZP 3RF21503AA24 Siemens 1: $253.00 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. 3RF21503AA24 Mouser Part No 982-3RF21503AA24	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 2 Weeks	$253.00 $252.99 $249.55 $245.56 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,50A,600V,230VAC,RING ZP 3RF21503AA26 Siemens 1: $343.44 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. 3RF21503AA26 Mouser Part No 982-3RF21503AA26	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 2 Weeks	$343.44 $339.73 $334.68	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,70A,230V,24VDC-C,RING ZP 3RF21701AA02 Siemens 1: $235.82 Non-Stocked Lead-Time 3 Weeks	Mfr. Part No. 3RF21701AA02 Mouser Part No 982-3RF21701AA02	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,70A,230V,24VDC-C,RING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 3 Weeks	$235.82 $234.40 $228.60 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,70A,460V,24VDC-C,RING ZP 3RF21701AA04 Siemens 1: $255.29 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. 3RF21701AA04 Mouser Part No 982-3RF21701AA04	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,70A,460V,24VDC-C,RING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 2 Weeks	$255.29 $255.27 $251.65 $247.64 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SEMICONDUCTOR RELAY 3RF2 3RF21701AA050KN0 Siemens 1: $398.32 Non-Stocked Lead-Time 2 Weeks New At Mouser	Mfr. Part No. 3RF21701AA050KN0 Mouser Part No 982-3RF21701AA050KN0 New At Mouser	Siemens	Solid State Relays - SSRs SEMICONDUCTOR RELAY 3RF2 Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 2 Weeks	$398.32 $354.61 $338.56	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,70A,600V,24VDC-C,RING ZP 3RF21701AA06 Siemens 1: $375.84 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3RF21701AA06 Mouser Part No 982-3RF21701AA06	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,70A,600V,24VDC-C,RING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 6 Weeks	$375.84 $324.96 $313.98	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,70A,230V,230VAC,RING ZP 3RF21701AA22 Siemens 1: $265.59 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. 3RF21701AA22 Mouser Part No 982-3RF21701AA22	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,70A,230V,230VAC,RING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 2 Weeks	$265.59 $265.58 $261.87 $257.69 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,70A,460V,230VAC,RING ZP 3RF21701AA24 Siemens 1: $286.18 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. 3RF21701AA24 Mouser Part No 982-3RF21701AA24	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,70A,460V,230VAC,RING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 2 Weeks	$286.18 $283.10 $277.55	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,70A,600V,230VAC,RING ZP 3RF21701AA26 Siemens 1: $360.62 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. 3RF21701AA26 Mouser Part No 982-3RF21701AA26	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,70A,600V,230VAC,RING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 2 Weeks	$360.62 $357.07 $351.76	Min.: 1 Mult.: 1
Solid State Relays - SSRs 22.5MM,SSR,70A,48-600V,ZRO SCRW 4-30VDC 3RF21701AA45 Siemens 1: $310.92 Non-Stocked Lead-Time 3 Weeks	Mfr. Part No. 3RF21701AA45 Mouser Part No 982-3RF21701AA45	Siemens	Solid State Relays - SSRs 22.5MM,SSR,70A,48-600V,ZRO SCRW 4-30VDC Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 3 Weeks	$310.92 $276.83 $261.47 $254.50 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,70A,460V,24 V DC,SCW 3RF21701BA04 Siemens 1: $255.29 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. 3RF21701BA04 Mouser Part No 982-3RF21701BA04	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,70A,460V,24 V DC,SCW Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 2 Weeks	$255.29 $255.27 $251.65 $247.64 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,70A,460V,24VAC,SCREW 3RF21701CA04 Siemens 1: $312.53 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. 3RF21701CA04 Mouser Part No 982-3RF21701CA04	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,70A,460V,24VAC,SCREW Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 2 Weeks	$312.53 $309.64 $303.57	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,90A,230V,24VDC-C,RING ZP 3RF21901AA02 Siemens 1: $285.04 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. 3RF21901AA02 Mouser Part No 982-3RF21901AA02	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,90A,230V,24VDC-C,RING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 2 Weeks	$285.04 $284.84 $280.51 $276.05 View Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,90A,460V,24VDC-C,RING ZP 3RF21901AA04 Siemens 1: $290.77 Non-Stocked Lead-Time 3 Weeks	Mfr. Part No. 3RF21901AA04 Mouser Part No 982-3RF21901AA04	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,90A,460V,24VDC-C,RING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 3 Weeks	$290.77 $288.06 $282.40	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,90A,600V,24VDC-C,RING ZP 3RF21901AA06 Siemens 1: $348.02 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. 3RF21901AA06 Mouser Part No 982-3RF21901AA06	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,90A,600V,24VDC-C,RING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 2 Weeks	$348.02 $344.68 $339.55	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,90A,230V,230VAC,RING ZP 3RF21901AA22 Siemens 1: $314.81 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. 3RF21901AA22 Mouser Part No 982-3RF21901AA22	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,90A,230V,230VAC,RING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 2 Weeks	$314.81 $311.77 $305.65	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,90A,460V,230VAC,RING ZP 3RF21901AA24 Siemens 1: $322.84 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. 3RF21901AA24 Mouser Part No 982-3RF21901AA24	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,90A,460V,230VAC,RING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 2 Weeks	$322.84 $319.91 $313.63	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,90A,600V,230VAC,RING ZP 3RF21901AA26 Siemens 1: $374.41 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. 3RF21901AA26 Mouser Part No 982-3RF21901AA26	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,90A,600V,230VAC,RING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 2 Weeks	$374.41 $355.60 $350.47	Min.: 1 Mult.: 1
Solid State Relays - SSRs 22.5MM,SSR,90A,48-600V,ZRO SCRW 4-30VDC 3RF21901AA45 Siemens 1: $317.11 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. 3RF21901AA45 Mouser Part No 982-3RF21901AA45	Siemens	Solid State Relays - SSRs 22.5MM,SSR,90A,48-600V,ZRO SCRW 4-30VDC Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 2 Weeks	$317.11 $313.89 $307.74	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,90A,460V,24VDC-C,RING ZP 3RF21901BA04 Siemens 1: $290.77 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. 3RF21901BA04 Mouser Part No 982-3RF21901BA04	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,90A,460V,24VDC-C,RING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 2 Weeks	$290.77 $288.06 $282.40	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,90A,230V,24VDC,SPRING ZP 3RF21902AA02 Siemens 1: $296.49 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. 3RF21902AA02 Mouser Part No 982-3RF21902AA02	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,90A,230V,24VDC,SPRING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 2 Weeks	$296.49 $293.37 $287.61	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS RELAY,22.5MM,90A,460V,24VDC,SPRING ZP 3RF21902AA04 Siemens 1: $305.65 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. 3RF21902AA04 Mouser Part No 982-3RF21902AA04	Siemens	Solid State Relays - SSRs SS RELAY,22.5MM,90A,460V,24VDC,SPRING ZP Learn More about Siemens sirius 3rf2 ssrs	Datasheet	Non-Stocked Lead-Time 2 Weeks	$305.65 $302.56 $296.63	Min.: 1 Mult.: 1

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