Skip to main content
Log in
Siemens 3RF3190-2AA06 — Solid State Relays

Siemens 3RF3190-2AA06 SIRIUS 3RF31 SSR, 90 A, 1-pole

MPN3RF3190-2AA06
Active

Siemens SIRIUS 3RF31 solid-state relay, 1-pole 22.5 mm wide, 90 A, 48-600 VAC / 24 VDC control, spring-loaded terminals, for external cooling surface mounting.

Siemens 3RF3190-2AA06 datasheet (PDF)
StockContact for availability
Lead timeIn Stock wk
MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
How we verify every order →

Specifications

Specifications

3RF3190-2AA06 — Specifications
ParameterValue
Group codeR711
Product group3725
Product classA: Standard product which is a stock item could be returned within the returns guidelines/period.
SeriesSIRIUS 3RF31 solid-state relays, 1-pole, 22.5 mm
Export control regulationsAL : N / ECCN : N
Compliance with the substance restrictions according to RoHS directiveSince: 15-01-24

Product details

The Siemens 3RF3190-2AA06 is a 1-pole solid-state relay from the SIRIUS 3RF31 family, rated 90 A continuous across a 48-600 VAC load range, with a 24 VDC control input. The 22.5 mm wide housing uses spring-loaded terminals and is designed for mounting on a customer-supplied cooling surface — no internal heatsink, so the panel builder provides the thermal path. That 90 A rating at up to 600 VAC covers most three-phase motor loads, resistive heaters, and industrial lighting banks you'd find in a control cabinet. The 24 VDC coil is standard for PLC-driven outputs; it pulls the gate without the dropout chatter you get from marginal AC coils on a shared supply.

But the big difference from a standard contactor: this relay has no internal heatsink, so the mounting surface (panel plate or a dedicated heatsink) must dissipate the I²R losses from 90 A.

Frequently asked questions

What compliance documentation is available for this part?

RoHS compliance is confirmed since 15 January 2024. The REACH Article 33 declaration identifies lead (CAS 7439-92-1) above 0.1% w/w in the semiconductor die. No UL or IEC certification numbers are listed in the product record, but the SIRIUS 3RF series typically carries cULus and IEC 60947-4-2 approvals — verify the specific certification mark on the unit or request the manufacturer's declaration.

What does the 90 A rating mean for real-world motor loads?

The 90 A rating at 48-600 VAC covers most 30-40 hp three-phase induction motors at 480 V. But because this is a solid-state relay without an internal heatsink, the actual continuous current the relay can handle depends entirely on the thermal resistance of the mounting surface. For a 90 A resistive load (heater bank), a properly sized aluminum backplate or forced-air heatsink is mandatory. For motor starting, the inrush surge is brief enough that the thermal mass of a good mounting plate handles it — just don't bolt it to a thin sheet-metal panel and expect full rating.

How do I source the 3RF3190-2AA06?

This is an active, standard-stock-class product (Product Class A), meaning it's a normal stock item through Siemens distribution channels. Submit an RFQ for current lead time and pricing; no special factory-order lead times or minimum quantities are indicated in the product record.

MPN
3RF3190-2AA06