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Siemens 3RF2020-1AA42 — Solid State Relays

Siemens 3RF2020-1AA42

MPN3RF2020-1AA42
Active

Semiconductor relay, 1-phase 3RF2 Width 45 mm, 20 A 24-230 V / 4-30 V DC screw terminal

$25.40 – $44.44Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

3RF2020-1AA42 — Identification
ParameterValue
Product designationsolid-state relay
3RF2020-1AA42 — Contacts & Poles
ParameterValue
Main circuit poles1
Main NO contacts (count)1
Auxiliary NO contacts (count)0
Auxiliary NC contacts (count)0
3RF2020-1AA42 — Coil
ParameterValue
Control supply voltage typeDC
3RF2020-1AA42 — Timing
ParameterValue
ON-delay time1 ms; additionally max. one half-wave
OFF-delay time1 ms; additionally max. one half-wave
3RF2020-1AA42 — Connection & Mechanical
ParameterValue
Fastening / mounting methodscrew fixing
MPN
3RF2020-1AA42